// Code generated for linux/mips64le by 'generator --prefix-enumerator=_ --prefix-external=x_ --prefix-field=F --prefix-macro=m_ --prefix-static-internal=_ --prefix-static-none=_ --prefix-tagged-enum=_ --prefix-tagged-struct=T --prefix-tagged-union=T --prefix-typename=T --prefix-undefined=_ -extended-errors --package-name=libz -o libz.a.go libz.a', DO NOT EDIT. //go:build linux && mips64le // +build linux,mips64le package libz import ( "reflect" "unsafe" "modernc.org/libc" ) var ( _ reflect.Type _ unsafe.Pointer ) const m_BASE = 65521 const m_NMAX = 5552 const m_Z_NULL = 0 const m__SC_LEVEL1_ICACHE_SIZE = 185 const m__SC_UIO_MAXIOV = 60 const m___FD_SETSIZE = 1024 const m___SIZEOF_PTHREAD_ATTR_T = 56 const m___SIZEOF_PTHREAD_BARRIERATTR_T = 4 const m___SIZEOF_PTHREAD_BARRIER_T = 32 const m___SIZEOF_PTHREAD_CONDATTR_T = 4 const m___SIZEOF_PTHREAD_COND_T = 48 const m___SIZEOF_PTHREAD_MUTEXATTR_T = 4 const m___SIZEOF_PTHREAD_MUTEX_T = 40 const m___SIZEOF_PTHREAD_RWLOCKATTR_T = 8 const m___SIZEOF_PTHREAD_RWLOCK_T = 56 type t__builtin_va_list = uintptr type t__predefined_size_t = uint64 type t__predefined_wchar_t = int32 type t__predefined_ptrdiff_t = int64 type Tptrdiff_t = int64 type Tsize_t = uint64 type Twchar_t = int32 type Tmax_align_t = struct { F__max_align_ll int64 F__max_align_ld float64 } type Tz_size_t = uint64 type TByte = uint8 type TuInt = uint32 type TuLong = uint64 type TBytef = uint8 type Tcharf = int8 type Tintf = int32 type TuIntf = uint32 type TuLongf = uint64 type Tvoidpc = uintptr type Tvoidpf = uintptr type Tvoidp = uintptr type Tz_crc_t = uint32 type t__u_char = uint8 type t__u_short = uint16 type t__u_int = uint32 type t__u_long = uint64 type t__int8_t = int8 type t__uint8_t = uint8 type t__int16_t = int16 type t__uint16_t = uint16 type t__int32_t = int32 type t__uint32_t = uint32 type t__int64_t = int64 type t__uint64_t = uint64 type t__int_least8_t = int8 type t__uint_least8_t = uint8 type t__int_least16_t = int16 type t__uint_least16_t = uint16 type t__int_least32_t = int32 type t__uint_least32_t = uint32 type t__int_least64_t = int64 type t__uint_least64_t = uint64 type t__quad_t = int64 type t__u_quad_t = uint64 type t__intmax_t = int64 type t__uintmax_t = uint64 type t__dev_t = uint64 type t__uid_t = uint32 type t__gid_t = uint32 type t__ino_t = uint64 type t__ino64_t = uint64 type t__mode_t = uint32 type t__nlink_t = uint64 type t__off_t = int64 type t__off64_t = int64 type t__pid_t = int32 type t__fsid_t = struct { F__val [2]int32 } type t__clock_t = int64 type t__rlim_t = uint64 type t__rlim64_t = uint64 type t__id_t = uint32 type t__time_t = int64 type t__useconds_t = uint32 type t__suseconds_t = int64 type t__daddr_t = int32 type t__key_t = int32 type t__clockid_t = int32 type t__timer_t = uintptr type t__blksize_t = int64 type t__blkcnt_t = int64 type t__blkcnt64_t = int64 type t__fsblkcnt_t = uint64 type t__fsblkcnt64_t = uint64 type t__fsfilcnt_t = uint64 type t__fsfilcnt64_t = uint64 type t__fsword_t = int64 type t__ssize_t = int64 type t__syscall_slong_t = int64 type t__syscall_ulong_t = uint64 type t__loff_t = int64 type t__caddr_t = uintptr type t__intptr_t = int64 type t__socklen_t = uint32 type t__sig_atomic_t = int32 type Tu_char = uint8 type Tu_short = uint16 type Tu_int = uint32 type Tu_long = uint64 type Tquad_t = int64 type Tu_quad_t = uint64 type Tfsid_t = struct { F__val [2]int32 } type Tloff_t = int64 type Tino_t = uint64 type Tino64_t = uint64 type Tdev_t = uint64 type Tgid_t = uint32 type Tmode_t = uint32 type Tnlink_t = uint64 type Tuid_t = uint32 type Toff_t = int64 type Toff64_t = int64 type Tpid_t = int32 type Tid_t = uint32 type Tssize_t = int64 type Tdaddr_t = int32 type Tcaddr_t = uintptr type Tkey_t = int32 type Tclock_t = int64 type Tclockid_t = int32 type Ttime_t = int64 type Ttimer_t = uintptr type Tulong = uint64 type Tushort = uint16 type Tuint = uint32 type Tint8_t = int8 type Tint16_t = int16 type Tint32_t = int32 type Tint64_t = int64 type Tu_int8_t = uint8 type Tu_int16_t = uint16 type Tu_int32_t = uint32 type Tu_int64_t = uint64 type Tregister_t = int32 type t__sigset_t = struct { F__val [16]uint64 } type Tsigset_t = struct { F__val [16]uint64 } type Ttimeval = struct { Ftv_sec t__time_t Ftv_usec t__suseconds_t } type Ttimespec = struct { Ftv_sec t__time_t Ftv_nsec t__syscall_slong_t } type Tsuseconds_t = int64 type t__fd_mask = int64 type Tfd_set = struct { F__fds_bits [16]t__fd_mask } type Tfd_mask = int64 type Tblksize_t = int64 type Tblkcnt_t = int64 type Tfsblkcnt_t = uint64 type Tfsfilcnt_t = uint64 type Tblkcnt64_t = int64 type Tfsblkcnt64_t = uint64 type Tfsfilcnt64_t = uint64 type t__pthread_list_t = struct { F__prev uintptr F__next uintptr } type t__pthread_internal_list = t__pthread_list_t type t__pthread_slist_t = struct { F__next uintptr } type t__pthread_internal_slist = t__pthread_slist_t type t__pthread_mutex_s = struct { F__lock int32 F__count uint32 F__owner int32 F__nusers uint32 F__kind int32 F__spins int32 F__list t__pthread_list_t } type t__pthread_rwlock_arch_t = struct { F__readers uint32 F__writers uint32 F__wrphase_futex uint32 F__writers_futex uint32 F__pad3 uint32 F__pad4 uint32 F__cur_writer int32 F__shared int32 F__pad1 uint64 F__pad2 uint64 F__flags uint32 } type t__pthread_cond_s = struct { F__ccgo0_0 struct { F__wseq32 [0]struct { F__low uint32 F__high uint32 } F__wseq uint64 } F__ccgo1_8 struct { F__g1_start32 [0]struct { F__low uint32 F__high uint32 } F__g1_start uint64 } F__g_refs [2]uint32 F__g_size [2]uint32 F__g1_orig_size uint32 F__wrefs uint32 F__g_signals [2]uint32 } type Tpthread_t = uint64 type Tpthread_mutexattr_t = struct { F__align [0]int32 F__size [4]int8 } type Tpthread_condattr_t = struct { F__align [0]int32 F__size [4]int8 } type Tpthread_key_t = uint32 type Tpthread_once_t = int32 type Tpthread_attr_t1 = struct { F__align [0]int64 F__size [56]int8 } type Tpthread_attr_t = struct { F__align [0]int64 F__size [56]int8 } type Tpthread_mutex_t = struct { F__size [0][40]int8 F__align [0]int64 F__data t__pthread_mutex_s } type Tpthread_cond_t = struct { F__size [0][48]int8 F__align [0]int64 F__data t__pthread_cond_s } type Tpthread_rwlock_t = struct { F__size [0][56]int8 F__align [0]int64 F__data t__pthread_rwlock_arch_t } type Tpthread_rwlockattr_t = struct { F__align [0]int64 F__size [8]int8 } type Tpthread_spinlock_t = int32 type Tpthread_barrier_t = struct { F__align [0]int64 F__size [32]int8 } type Tpthread_barrierattr_t = struct { F__align [0]int32 F__size [4]int8 } type t__gnuc_va_list = uintptr type Tva_list = uintptr type Tuseconds_t = uint32 type Tintptr_t = int64 type Tsocklen_t = uint32 const __PC_LINK_MAX = 0 const __PC_MAX_CANON = 1 const __PC_MAX_INPUT = 2 const __PC_NAME_MAX = 3 const __PC_PATH_MAX = 4 const __PC_PIPE_BUF = 5 const __PC_CHOWN_RESTRICTED = 6 const __PC_NO_TRUNC = 7 const __PC_VDISABLE = 8 const __PC_SYNC_IO = 9 const __PC_ASYNC_IO = 10 const __PC_PRIO_IO = 11 const __PC_SOCK_MAXBUF = 12 const __PC_FILESIZEBITS = 13 const __PC_REC_INCR_XFER_SIZE = 14 const __PC_REC_MAX_XFER_SIZE = 15 const __PC_REC_MIN_XFER_SIZE = 16 const __PC_REC_XFER_ALIGN = 17 const __PC_ALLOC_SIZE_MIN = 18 const __PC_SYMLINK_MAX = 19 const __PC_2_SYMLINKS = 20 const __SC_ARG_MAX = 0 const __SC_CHILD_MAX = 1 const __SC_CLK_TCK = 2 const __SC_NGROUPS_MAX = 3 const __SC_OPEN_MAX = 4 const __SC_STREAM_MAX = 5 const __SC_TZNAME_MAX = 6 const __SC_JOB_CONTROL = 7 const __SC_SAVED_IDS = 8 const __SC_REALTIME_SIGNALS = 9 const __SC_PRIORITY_SCHEDULING = 10 const __SC_TIMERS = 11 const __SC_ASYNCHRONOUS_IO = 12 const __SC_PRIORITIZED_IO = 13 const __SC_SYNCHRONIZED_IO = 14 const __SC_FSYNC = 15 const __SC_MAPPED_FILES = 16 const __SC_MEMLOCK = 17 const __SC_MEMLOCK_RANGE = 18 const __SC_MEMORY_PROTECTION = 19 const __SC_MESSAGE_PASSING = 20 const __SC_SEMAPHORES = 21 const __SC_SHARED_MEMORY_OBJECTS = 22 const __SC_AIO_LISTIO_MAX = 23 const __SC_AIO_MAX = 24 const __SC_AIO_PRIO_DELTA_MAX = 25 const __SC_DELAYTIMER_MAX = 26 const __SC_MQ_OPEN_MAX = 27 const __SC_MQ_PRIO_MAX = 28 const __SC_VERSION = 29 const __SC_PAGESIZE = 30 const __SC_RTSIG_MAX = 31 const __SC_SEM_NSEMS_MAX = 32 const __SC_SEM_VALUE_MAX = 33 const __SC_SIGQUEUE_MAX = 34 const __SC_TIMER_MAX = 35 const __SC_BC_BASE_MAX = 36 const __SC_BC_DIM_MAX = 37 const __SC_BC_SCALE_MAX = 38 const __SC_BC_STRING_MAX = 39 const __SC_COLL_WEIGHTS_MAX = 40 const __SC_EQUIV_CLASS_MAX = 41 const __SC_EXPR_NEST_MAX = 42 const __SC_LINE_MAX = 43 const __SC_RE_DUP_MAX = 44 const __SC_CHARCLASS_NAME_MAX = 45 const __SC_2_VERSION = 46 const __SC_2_C_BIND = 47 const __SC_2_C_DEV = 48 const __SC_2_FORT_DEV = 49 const __SC_2_FORT_RUN = 50 const __SC_2_SW_DEV = 51 const __SC_2_LOCALEDEF = 52 const __SC_PII = 53 const __SC_PII_XTI = 54 const __SC_PII_SOCKET = 55 const __SC_PII_INTERNET = 56 const __SC_PII_OSI = 57 const __SC_POLL = 58 const __SC_SELECT = 59 const __SC_UIO_MAXIOV = 60 const __SC_IOV_MAX = 60 const __SC_PII_INTERNET_STREAM = 61 const __SC_PII_INTERNET_DGRAM = 62 const __SC_PII_OSI_COTS = 63 const __SC_PII_OSI_CLTS = 64 const __SC_PII_OSI_M = 65 const __SC_T_IOV_MAX = 66 const __SC_THREADS = 67 const __SC_THREAD_SAFE_FUNCTIONS = 68 const __SC_GETGR_R_SIZE_MAX = 69 const __SC_GETPW_R_SIZE_MAX = 70 const __SC_LOGIN_NAME_MAX = 71 const __SC_TTY_NAME_MAX = 72 const __SC_THREAD_DESTRUCTOR_ITERATIONS = 73 const __SC_THREAD_KEYS_MAX = 74 const __SC_THREAD_STACK_MIN = 75 const __SC_THREAD_THREADS_MAX = 76 const __SC_THREAD_ATTR_STACKADDR = 77 const __SC_THREAD_ATTR_STACKSIZE = 78 const __SC_THREAD_PRIORITY_SCHEDULING = 79 const __SC_THREAD_PRIO_INHERIT = 80 const __SC_THREAD_PRIO_PROTECT = 81 const __SC_THREAD_PROCESS_SHARED = 82 const __SC_NPROCESSORS_CONF = 83 const __SC_NPROCESSORS_ONLN = 84 const __SC_PHYS_PAGES = 85 const __SC_AVPHYS_PAGES = 86 const __SC_ATEXIT_MAX = 87 const __SC_PASS_MAX = 88 const __SC_XOPEN_VERSION = 89 const __SC_XOPEN_XCU_VERSION = 90 const __SC_XOPEN_UNIX = 91 const __SC_XOPEN_CRYPT = 92 const __SC_XOPEN_ENH_I18N = 93 const __SC_XOPEN_SHM = 94 const __SC_2_CHAR_TERM = 95 const __SC_2_C_VERSION = 96 const __SC_2_UPE = 97 const __SC_XOPEN_XPG2 = 98 const __SC_XOPEN_XPG3 = 99 const __SC_XOPEN_XPG4 = 100 const __SC_CHAR_BIT = 101 const __SC_CHAR_MAX = 102 const __SC_CHAR_MIN = 103 const __SC_INT_MAX = 104 const __SC_INT_MIN = 105 const __SC_LONG_BIT = 106 const __SC_WORD_BIT = 107 const __SC_MB_LEN_MAX = 108 const __SC_NZERO = 109 const __SC_SSIZE_MAX = 110 const __SC_SCHAR_MAX = 111 const __SC_SCHAR_MIN = 112 const __SC_SHRT_MAX = 113 const __SC_SHRT_MIN = 114 const __SC_UCHAR_MAX = 115 const __SC_UINT_MAX = 116 const __SC_ULONG_MAX = 117 const __SC_USHRT_MAX = 118 const __SC_NL_ARGMAX = 119 const __SC_NL_LANGMAX = 120 const __SC_NL_MSGMAX = 121 const __SC_NL_NMAX = 122 const __SC_NL_SETMAX = 123 const __SC_NL_TEXTMAX = 124 const __SC_XBS5_ILP32_OFF32 = 125 const __SC_XBS5_ILP32_OFFBIG = 126 const __SC_XBS5_LP64_OFF64 = 127 const __SC_XBS5_LPBIG_OFFBIG = 128 const __SC_XOPEN_LEGACY = 129 const __SC_XOPEN_REALTIME = 130 const __SC_XOPEN_REALTIME_THREADS = 131 const __SC_ADVISORY_INFO = 132 const __SC_BARRIERS = 133 const __SC_BASE = 134 const __SC_C_LANG_SUPPORT = 135 const __SC_C_LANG_SUPPORT_R = 136 const __SC_CLOCK_SELECTION = 137 const __SC_CPUTIME = 138 const __SC_THREAD_CPUTIME = 139 const __SC_DEVICE_IO = 140 const __SC_DEVICE_SPECIFIC = 141 const __SC_DEVICE_SPECIFIC_R = 142 const __SC_FD_MGMT = 143 const __SC_FIFO = 144 const __SC_PIPE = 145 const __SC_FILE_ATTRIBUTES = 146 const __SC_FILE_LOCKING = 147 const __SC_FILE_SYSTEM = 148 const __SC_MONOTONIC_CLOCK = 149 const __SC_MULTI_PROCESS = 150 const __SC_SINGLE_PROCESS = 151 const __SC_NETWORKING = 152 const __SC_READER_WRITER_LOCKS = 153 const __SC_SPIN_LOCKS = 154 const __SC_REGEXP = 155 const __SC_REGEX_VERSION = 156 const __SC_SHELL = 157 const __SC_SIGNALS = 158 const __SC_SPAWN = 159 const __SC_SPORADIC_SERVER = 160 const __SC_THREAD_SPORADIC_SERVER = 161 const __SC_SYSTEM_DATABASE = 162 const __SC_SYSTEM_DATABASE_R = 163 const __SC_TIMEOUTS = 164 const __SC_TYPED_MEMORY_OBJECTS = 165 const __SC_USER_GROUPS = 166 const __SC_USER_GROUPS_R = 167 const __SC_2_PBS = 168 const __SC_2_PBS_ACCOUNTING = 169 const __SC_2_PBS_LOCATE = 170 const __SC_2_PBS_MESSAGE = 171 const __SC_2_PBS_TRACK = 172 const __SC_SYMLOOP_MAX = 173 const __SC_STREAMS = 174 const __SC_2_PBS_CHECKPOINT = 175 const __SC_V6_ILP32_OFF32 = 176 const __SC_V6_ILP32_OFFBIG = 177 const __SC_V6_LP64_OFF64 = 178 const __SC_V6_LPBIG_OFFBIG = 179 const __SC_HOST_NAME_MAX = 180 const __SC_TRACE = 181 const __SC_TRACE_EVENT_FILTER = 182 const __SC_TRACE_INHERIT = 183 const __SC_TRACE_LOG = 184 const __SC_LEVEL1_ICACHE_SIZE = 185 const __SC_LEVEL1_ICACHE_ASSOC = 186 const __SC_LEVEL1_ICACHE_LINESIZE = 187 const __SC_LEVEL1_DCACHE_SIZE = 188 const __SC_LEVEL1_DCACHE_ASSOC = 189 const __SC_LEVEL1_DCACHE_LINESIZE = 190 const __SC_LEVEL2_CACHE_SIZE = 191 const __SC_LEVEL2_CACHE_ASSOC = 192 const __SC_LEVEL2_CACHE_LINESIZE = 193 const __SC_LEVEL3_CACHE_SIZE = 194 const __SC_LEVEL3_CACHE_ASSOC = 195 const __SC_LEVEL3_CACHE_LINESIZE = 196 const __SC_LEVEL4_CACHE_SIZE = 197 const __SC_LEVEL4_CACHE_ASSOC = 198 const __SC_LEVEL4_CACHE_LINESIZE = 199 const __SC_IPV6 = 235 const __SC_RAW_SOCKETS = 236 const __SC_V7_ILP32_OFF32 = 237 const __SC_V7_ILP32_OFFBIG = 238 const __SC_V7_LP64_OFF64 = 239 const __SC_V7_LPBIG_OFFBIG = 240 const __SC_SS_REPL_MAX = 241 const __SC_TRACE_EVENT_NAME_MAX = 242 const __SC_TRACE_NAME_MAX = 243 const __SC_TRACE_SYS_MAX = 244 const __SC_TRACE_USER_EVENT_MAX = 245 const __SC_XOPEN_STREAMS = 246 const __SC_THREAD_ROBUST_PRIO_INHERIT = 247 const __SC_THREAD_ROBUST_PRIO_PROTECT = 248 const __CS_PATH = 0 const __CS_V6_WIDTH_RESTRICTED_ENVS = 1 const __CS_GNU_LIBC_VERSION = 2 const __CS_GNU_LIBPTHREAD_VERSION = 3 const __CS_V5_WIDTH_RESTRICTED_ENVS = 4 const __CS_V7_WIDTH_RESTRICTED_ENVS = 5 const __CS_LFS_CFLAGS = 1000 const __CS_LFS_LDFLAGS = 1001 const __CS_LFS_LIBS = 1002 const __CS_LFS_LINTFLAGS = 1003 const __CS_LFS64_CFLAGS = 1004 const __CS_LFS64_LDFLAGS = 1005 const __CS_LFS64_LIBS = 1006 const __CS_LFS64_LINTFLAGS = 1007 const __CS_XBS5_ILP32_OFF32_CFLAGS = 1100 const __CS_XBS5_ILP32_OFF32_LDFLAGS = 1101 const __CS_XBS5_ILP32_OFF32_LIBS = 1102 const __CS_XBS5_ILP32_OFF32_LINTFLAGS = 1103 const __CS_XBS5_ILP32_OFFBIG_CFLAGS = 1104 const __CS_XBS5_ILP32_OFFBIG_LDFLAGS = 1105 const __CS_XBS5_ILP32_OFFBIG_LIBS = 1106 const __CS_XBS5_ILP32_OFFBIG_LINTFLAGS = 1107 const __CS_XBS5_LP64_OFF64_CFLAGS = 1108 const __CS_XBS5_LP64_OFF64_LDFLAGS = 1109 const __CS_XBS5_LP64_OFF64_LIBS = 1110 const __CS_XBS5_LP64_OFF64_LINTFLAGS = 1111 const __CS_XBS5_LPBIG_OFFBIG_CFLAGS = 1112 const __CS_XBS5_LPBIG_OFFBIG_LDFLAGS = 1113 const __CS_XBS5_LPBIG_OFFBIG_LIBS = 1114 const __CS_XBS5_LPBIG_OFFBIG_LINTFLAGS = 1115 const __CS_POSIX_V6_ILP32_OFF32_CFLAGS = 1116 const __CS_POSIX_V6_ILP32_OFF32_LDFLAGS = 1117 const __CS_POSIX_V6_ILP32_OFF32_LIBS = 1118 const __CS_POSIX_V6_ILP32_OFF32_LINTFLAGS = 1119 const __CS_POSIX_V6_ILP32_OFFBIG_CFLAGS = 1120 const __CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS = 1121 const __CS_POSIX_V6_ILP32_OFFBIG_LIBS = 1122 const __CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS = 1123 const __CS_POSIX_V6_LP64_OFF64_CFLAGS = 1124 const __CS_POSIX_V6_LP64_OFF64_LDFLAGS = 1125 const __CS_POSIX_V6_LP64_OFF64_LIBS = 1126 const __CS_POSIX_V6_LP64_OFF64_LINTFLAGS = 1127 const __CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS = 1128 const __CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS = 1129 const __CS_POSIX_V6_LPBIG_OFFBIG_LIBS = 1130 const __CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS = 1131 const __CS_POSIX_V7_ILP32_OFF32_CFLAGS = 1132 const __CS_POSIX_V7_ILP32_OFF32_LDFLAGS = 1133 const __CS_POSIX_V7_ILP32_OFF32_LIBS = 1134 const __CS_POSIX_V7_ILP32_OFF32_LINTFLAGS = 1135 const __CS_POSIX_V7_ILP32_OFFBIG_CFLAGS = 1136 const __CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS = 1137 const __CS_POSIX_V7_ILP32_OFFBIG_LIBS = 1138 const __CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS = 1139 const __CS_POSIX_V7_LP64_OFF64_CFLAGS = 1140 const __CS_POSIX_V7_LP64_OFF64_LDFLAGS = 1141 const __CS_POSIX_V7_LP64_OFF64_LIBS = 1142 const __CS_POSIX_V7_LP64_OFF64_LINTFLAGS = 1143 const __CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS = 1144 const __CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS = 1145 const __CS_POSIX_V7_LPBIG_OFFBIG_LIBS = 1146 const __CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS = 1147 const __CS_V6_ENV = 1148 const __CS_V7_ENV = 1149 type Talloc_func = uintptr type Tfree_func = uintptr type Tz_stream = struct { Fnext_in uintptr Favail_in TuInt Ftotal_in TuLong Fnext_out uintptr Favail_out TuInt Ftotal_out TuLong Fmsg uintptr Fstate uintptr Fzalloc Talloc_func Fzfree Tfree_func Fopaque Tvoidpf Fdata_type int32 Fadler TuLong Freserved TuLong } type Tz_stream_s = Tz_stream type Tz_streamp = uintptr type Tgz_header = struct { Ftext int32 Ftime TuLong Fxflags int32 Fos int32 Fextra uintptr Fextra_len TuInt Fextra_max TuInt Fname uintptr Fname_max TuInt Fcomment uintptr Fcomm_max TuInt Fhcrc int32 Fdone int32 } type Tgz_header_s = Tgz_header type Tgz_headerp = uintptr type Tin_func = uintptr type Tout_func = uintptr type TgzFile = uintptr type TgzFile_s = struct { Fhave uint32 Fnext uintptr Fpos Toff64_t } type t__locale_struct = struct { F__locales [13]uintptr F__ctype_b uintptr F__ctype_tolower uintptr F__ctype_toupper uintptr F__names [13]uintptr } type t__locale_t = uintptr type Tlocale_t = uintptr type Tidtype_t = int32 const _P_ALL = 0 const _P_PID = 1 const _P_PGID = 2 type Tdiv_t = struct { Fquot int32 Frem int32 } type Tldiv_t = struct { Fquot int64 Frem int64 } type Tlldiv_t = struct { Fquot int64 Frem int64 } type Trandom_data = struct { Ffptr uintptr Frptr uintptr Fstate uintptr Frand_type int32 Frand_deg int32 Frand_sep int32 Fend_ptr uintptr } type Tdrand48_data = struct { F__x [3]uint16 F__old_x [3]uint16 F__c uint16 F__init uint16 F__a uint64 } type t__compar_fn_t = uintptr type Tuch = uint8 type Tuchf = uint8 type Tush = uint16 type Tushf = uint16 type Tulg = uint64 /* Reverse the bytes in a 32-bit value */ /* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */ /* use NO_DIVIDE if your processor does not do division in hardware -- try it both ways to see which is faster */ // C documentation // // /* ========================================================================= */ func Xadler32_z(tls *libc.TLS, adler TuLong, buf uintptr, len1 Tz_size_t) (r TuLong) { var n, v3 uint32 var sum2 uint64 var v1, v5 Tz_size_t var v2, v6 uintptr _, _, _, _, _, _, _ = n, sum2, v1, v2, v3, v5, v6 /* split Adler-32 into component sums */ sum2 = adler >> libc.Int32FromInt32(16) & uint64(0xffff) adler &= uint64(0xffff) /* in case user likes doing a byte at a time, keep it fast */ if len1 == uint64(1) { adler += uint64(*(*TBytef)(unsafe.Pointer(buf))) if adler >= uint64(65521) { adler -= uint64(65521) } sum2 += adler if sum2 >= uint64(65521) { sum2 -= uint64(65521) } return adler | sum2<= uint64(65521) { adler -= uint64(65521) } sum2 %= uint64(65521) /* only added so many BASE's */ return adler | sum2<= uint64(m_NMAX) { len1 -= uint64(m_NMAX) n = uint32(libc.Int32FromInt32(m_NMAX) / libc.Int32FromInt32(16)) /* NMAX is divisible by 16 */ for { adler += uint64(*(*TBytef)(unsafe.Pointer(buf))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(0)+libc.Int32FromInt32(1))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(0)+libc.Int32FromInt32(2))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(0)+libc.Int32FromInt32(2)+libc.Int32FromInt32(1))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(0)+libc.Int32FromInt32(4))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(0)+libc.Int32FromInt32(4)+libc.Int32FromInt32(1))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(0)+libc.Int32FromInt32(4)+libc.Int32FromInt32(2))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(0)+libc.Int32FromInt32(4)+libc.Int32FromInt32(2)+libc.Int32FromInt32(1))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + 8))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(8)+libc.Int32FromInt32(1))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(8)+libc.Int32FromInt32(2))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(8)+libc.Int32FromInt32(2)+libc.Int32FromInt32(1))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(8)+libc.Int32FromInt32(4))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(8)+libc.Int32FromInt32(4)+libc.Int32FromInt32(1))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(8)+libc.Int32FromInt32(4)+libc.Int32FromInt32(2))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(8)+libc.Int32FromInt32(4)+libc.Int32FromInt32(2)+libc.Int32FromInt32(1))))) sum2 += adler /* 16 sums unrolled */ buf += uintptr(16) goto _4 _4: n-- v3 = n if !(v3 != 0) { break } } adler %= uint64(65521) sum2 %= uint64(65521) } /* do remaining bytes (less than NMAX, still just one modulo) */ if len1 != 0 { /* avoid modulos if none remaining */ for len1 >= uint64(16) { len1 -= uint64(16) adler += uint64(*(*TBytef)(unsafe.Pointer(buf))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(0)+libc.Int32FromInt32(1))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(0)+libc.Int32FromInt32(2))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(0)+libc.Int32FromInt32(2)+libc.Int32FromInt32(1))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(0)+libc.Int32FromInt32(4))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(0)+libc.Int32FromInt32(4)+libc.Int32FromInt32(1))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(0)+libc.Int32FromInt32(4)+libc.Int32FromInt32(2))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(0)+libc.Int32FromInt32(4)+libc.Int32FromInt32(2)+libc.Int32FromInt32(1))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + 8))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(8)+libc.Int32FromInt32(1))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(8)+libc.Int32FromInt32(2))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(8)+libc.Int32FromInt32(2)+libc.Int32FromInt32(1))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(8)+libc.Int32FromInt32(4))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(8)+libc.Int32FromInt32(4)+libc.Int32FromInt32(1))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(8)+libc.Int32FromInt32(4)+libc.Int32FromInt32(2))))) sum2 += adler adler += uint64(*(*TBytef)(unsafe.Pointer(buf + uintptr(libc.Int32FromInt32(8)+libc.Int32FromInt32(4)+libc.Int32FromInt32(2)+libc.Int32FromInt32(1))))) sum2 += adler buf += uintptr(16) } for { v5 = len1 len1-- if !(v5 != 0) { break } v6 = buf buf++ adler += uint64(*(*TBytef)(unsafe.Pointer(v6))) sum2 += adler } adler %= uint64(65521) sum2 %= uint64(65521) } /* return recombined sums */ return adler | sum2<= 0 */ rem = uint32(uint32(len2)) sum1 = adler1 & uint64(0xffff) sum2 = uint64(uint64(rem)) * sum1 sum2 %= uint64(65521) sum1 += adler2&uint64(0xffff) + uint64(65521) - uint64(1) sum2 += adler1>>libc.Int32FromInt32(16)&uint64(0xffff) + adler2>>libc.Int32FromInt32(16)&uint64(0xffff) + uint64(65521) - uint64(uint64(rem)) if sum1 >= uint64(65521) { sum1 -= uint64(65521) } if sum1 >= uint64(65521) { sum1 -= uint64(65521) } if sum2 >= libc.Uint64FromUint32(65521)<= uint64(65521) { sum2 -= uint64(65521) } return sum1 | sum2<>int32(24) | word&uint32(0xff0000)>>int32(8) | word&uint32(0xff00)<>= uint32(1) if b&uint32(1) != 0 { v2 = b>>libc.Int32FromInt32(1) ^ uint32(m_POLY) } else { v2 = b >> int32(1) } b = v2 goto _1 _1: } return p } // C documentation // // /* // Return x^(n * 2^k) modulo p(x). Requires that x2n_table[] has been // initialized. // */ func _x2nmodp(tls *libc.TLS, n Toff64_t, k uint32) (r Tz_crc_t) { var p Tz_crc_t _ = p p = libc.Uint32FromInt32(1) << libc.Int32FromInt32(31) /* x^0 == 1 */ for n != 0 { if n&int64(1) != 0 { p = _multmodp(tls, _x2n_table[k&uint32(31)], p) } n >>= int64(1) k++ } return p } // C documentation // // /* ========================================================================= // * This function can be used by asm versions of crc32(), and to force the // * generation of the CRC tables in a threaded application. // */ func Xget_crc_table(tls *libc.TLS) (r uintptr) { return uintptr(unsafe.Pointer(&_crc_table)) } /* ========================================================================= * Use ARM machine instructions if available. This will compute the CRC about * ten times faster than the braided calculation. This code does not check for * the presence of the CRC instruction at run time. __ARM_FEATURE_CRC32 will * only be defined if the compilation specifies an ARM processor architecture * that has the instructions. For example, compiling with -march=armv8.1-a or * -march=armv8-a+crc, or -march=native if the compile machine has the crc32 * instructions. */ // C documentation // // /* // Return the CRC of the W bytes in the word_t data, taking the // least-significant byte of the word as the first byte of data, without any pre // or post conditioning. This is used to combine the CRCs of each braid. // */ func _crc_word(tls *libc.TLS, data Tz_word_t) (r Tz_crc_t) { var k int32 _ = k k = 0 for { if !(k < int32(m_W)) { break } data = data>>libc.Int32FromInt32(8) ^ _crc_table[data&uint32(0xff)] goto _1 _1: k++ } return data } func _crc_word_big(tls *libc.TLS, data Tz_word_t) (r Tz_word_t) { var k int32 _ = k k = 0 for { if !(k < int32(m_W)) { break } data = data<>((libc.Int32FromInt32(m_W)-libc.Int32FromInt32(1))<= uint64(libc.Int32FromInt32(m_N)*libc.Int32FromInt32(m_W)+libc.Int32FromInt32(m_W)-libc.Int32FromInt32(1)) { /* Compute the CRC up to a z_word_t boundary. */ for len1 != 0 && uint64(uint64(buf))&uint64(libc.Int32FromInt32(m_W)-libc.Int32FromInt32(1)) != uint64(0) { len1-- v1 = buf buf++ crc = crc>>int32(8) ^ uint64(_crc_table[(crc^uint64(*(*uint8)(unsafe.Pointer(v1))))&uint64(0xff)]) } /* Compute the CRC on as many N z_word_t blocks as are available. */ blks = len1 / uint64(libc.Int32FromInt32(m_N)*libc.Int32FromInt32(m_W)) len1 -= blks * uint64(m_N) * uint64(m_W) words = buf /* Do endian check at execution time instead of compile time, since ARM processors can change the endianness at execution time. If the compiler knows what the endianness will be, it can optimize out the check and the unused branch. */ *(*uint32)(unsafe.Pointer(bp)) = uint32(1) if *(*uint8)(unsafe.Pointer(bp)) != 0 { /* Initialize the CRC for each braid. */ crc0 = uint32(uint32(crc)) crc1 = uint32(0) crc2 = uint32(0) crc3 = uint32(0) crc4 = uint32(0) /* Process the first blks-1 blocks, computing the CRCs on each braid independently. */ for { blks-- v2 = blks if !(v2 != 0) { break } /* Load the word for each braid into registers. */ word0 = crc0 ^ *(*Tz_word_t)(unsafe.Pointer(words)) word1 = crc1 ^ *(*Tz_word_t)(unsafe.Pointer(words + 1*4)) word2 = crc2 ^ *(*Tz_word_t)(unsafe.Pointer(words + 2*4)) word3 = crc3 ^ *(*Tz_word_t)(unsafe.Pointer(words + 3*4)) word4 = crc4 ^ *(*Tz_word_t)(unsafe.Pointer(words + 4*4)) words += uintptr(m_N) * 4 /* Compute and update the CRC for each word. The loop should get unrolled. */ crc0 = *(*Tz_crc_t)(unsafe.Pointer(uintptr(unsafe.Pointer(&_crc_braid_table)) + uintptr(word0&uint32(0xff))*4)) crc1 = *(*Tz_crc_t)(unsafe.Pointer(uintptr(unsafe.Pointer(&_crc_braid_table)) + uintptr(word1&uint32(0xff))*4)) crc2 = *(*Tz_crc_t)(unsafe.Pointer(uintptr(unsafe.Pointer(&_crc_braid_table)) + uintptr(word2&uint32(0xff))*4)) crc3 = *(*Tz_crc_t)(unsafe.Pointer(uintptr(unsafe.Pointer(&_crc_braid_table)) + uintptr(word3&uint32(0xff))*4)) crc4 = *(*Tz_crc_t)(unsafe.Pointer(uintptr(unsafe.Pointer(&_crc_braid_table)) + uintptr(word4&uint32(0xff))*4)) k = int32(1) for { if !(k < int32(m_W)) { break } crc0 ^= *(*Tz_crc_t)(unsafe.Pointer(uintptr(unsafe.Pointer(&_crc_braid_table)) + uintptr(k)*1024 + uintptr(word0>>(k<>(k<>(k<>(k<>(k<>(k<>(k<>(k<>(k<>(k<= uint64(8) { len1 -= uint64(8) v6 = buf buf++ crc = crc>>int32(8) ^ uint64(_crc_table[(crc^uint64(*(*uint8)(unsafe.Pointer(v6))))&uint64(0xff)]) v7 = buf buf++ crc = crc>>int32(8) ^ uint64(_crc_table[(crc^uint64(*(*uint8)(unsafe.Pointer(v7))))&uint64(0xff)]) v8 = buf buf++ crc = crc>>int32(8) ^ uint64(_crc_table[(crc^uint64(*(*uint8)(unsafe.Pointer(v8))))&uint64(0xff)]) v9 = buf buf++ crc = crc>>int32(8) ^ uint64(_crc_table[(crc^uint64(*(*uint8)(unsafe.Pointer(v9))))&uint64(0xff)]) v10 = buf buf++ crc = crc>>int32(8) ^ uint64(_crc_table[(crc^uint64(*(*uint8)(unsafe.Pointer(v10))))&uint64(0xff)]) v11 = buf buf++ crc = crc>>int32(8) ^ uint64(_crc_table[(crc^uint64(*(*uint8)(unsafe.Pointer(v11))))&uint64(0xff)]) v12 = buf buf++ crc = crc>>int32(8) ^ uint64(_crc_table[(crc^uint64(*(*uint8)(unsafe.Pointer(v12))))&uint64(0xff)]) v13 = buf buf++ crc = crc>>int32(8) ^ uint64(_crc_table[(crc^uint64(*(*uint8)(unsafe.Pointer(v13))))&uint64(0xff)]) } for len1 != 0 { len1-- v14 = buf buf++ crc = crc>>int32(8) ^ uint64(_crc_table[(crc^uint64(*(*uint8)(unsafe.Pointer(v14))))&uint64(0xff)]) } /* Return the CRC, post-conditioned. */ return crc ^ uint64(0xffffffff) } // C documentation // // /* ========================================================================= */ func Xcrc32(tls *libc.TLS, crc uint64, buf uintptr, len1 TuInt) (r uint64) { return Xcrc32_z(tls, crc, buf, uint64(uint64(len1))) } // C documentation // // /* ========================================================================= */ func Xcrc32_combine64(tls *libc.TLS, crc1 TuLong, crc2 TuLong, len2 Toff64_t) (r TuLong) { return uint64(_multmodp(tls, _x2nmodp(tls, len2, uint32(3)), uint32(uint32(crc1)))) ^ crc2&uint64(0xffffffff) } // C documentation // // /* ========================================================================= */ func Xcrc32_combine(tls *libc.TLS, crc1 TuLong, crc2 TuLong, len2 Toff_t) (r TuLong) { return Xcrc32_combine64(tls, crc1, crc2, len2) } // C documentation // // /* ========================================================================= */ func Xcrc32_combine_gen64(tls *libc.TLS, len2 Toff64_t) (r TuLong) { return uint64(_x2nmodp(tls, len2, uint32(3))) } // C documentation // // /* ========================================================================= */ func Xcrc32_combine_gen(tls *libc.TLS, len2 Toff_t) (r TuLong) { return Xcrc32_combine_gen64(tls, len2) } // C documentation // // /* ========================================================================= */ func Xcrc32_combine_op(tls *libc.TLS, crc1 TuLong, crc2 TuLong, op TuLong) (r TuLong) { return uint64(_multmodp(tls, uint32(uint32(op)), uint32(uint32(crc1)))) ^ crc2&uint64(0xffffffff) } const m_BL_CODES = 19 const m_BUSY_STATE = 113 const m_Buf_size = 16 const m_COMMENT_STATE = 91 const m_DEF_MEM_LEVEL = 8 const m_D_CODES = 30 const m_EXTRA_STATE = 69 const m_FINISH_STATE = 666 const m_GZIP_STATE = 57 const m_HCRC_STATE = 103 const m_INIT_STATE = 42 const m_LENGTH_CODES = 29 const m_LITERALS = 256 const m_MAX_BITS = 15 const m_MAX_MATCH = 258 const m_MAX_MEM_LEVEL = 9 const m_MAX_STORED = 65535 const m_MAX_WBITS = 15 const m_MIN_MATCH = 3 const m_NAME_STATE = 73 const m_NIL = 0 const m_OS_CODE = 3 const m_PRESET_DICT = 32 const m_TOO_FAR = 4096 const m_ZLIB_VERSION = "1.3" const m_Z_BLOCK = 5 const m_Z_DEFAULT_STRATEGY = 0 const m_Z_DEFLATED = 8 const m_Z_FILTERED = 1 const m_Z_FINISH = 4 const m_Z_FIXED = 4 const m_Z_FULL_FLUSH = 3 const m_Z_HUFFMAN_ONLY = 2 const m_Z_NEED_DICT = 2 const m_Z_NO_FLUSH = 0 const m_Z_OK = 0 const m_Z_PARTIAL_FLUSH = 1 const m_Z_RLE = 3 const m_Z_STREAM_END = 1 const m_Z_UNKNOWN = 2 type Tinternal_state = struct { Fstrm Tz_streamp Fstatus int32 Fpending_buf uintptr Fpending_buf_size Tulg Fpending_out uintptr Fpending Tulg Fwrap int32 Fgzhead Tgz_headerp Fgzindex Tulg Fmethod TByte Flast_flush int32 Fw_size TuInt Fw_bits TuInt Fw_mask TuInt Fwindow uintptr Fwindow_size Tulg Fprev uintptr Fhead uintptr Fins_h TuInt Fhash_size TuInt Fhash_bits TuInt Fhash_mask TuInt Fhash_shift TuInt Fblock_start int64 Fmatch_length TuInt Fprev_match TIPos Fmatch_available int32 Fstrstart TuInt Fmatch_start TuInt Flookahead TuInt Fprev_length TuInt Fmax_chain_length TuInt Fmax_lazy_match TuInt Flevel int32 Fstrategy int32 Fgood_match TuInt Fnice_match int32 Fdyn_ltree [573]Tct_data_s Fdyn_dtree [61]Tct_data_s Fbl_tree [39]Tct_data_s Fl_desc Ttree_desc_s Fd_desc Ttree_desc_s Fbl_desc Ttree_desc_s Fbl_count [16]Tush Fheap [573]int32 Fheap_len int32 Fheap_max int32 Fdepth [573]Tuch Fsym_buf uintptr Flit_bufsize TuInt Fsym_next TuInt Fsym_end TuInt Fopt_len Tulg Fstatic_len Tulg Fmatches TuInt Finsert TuInt Fbi_buf Tush Fbi_valid int32 Fhigh_water Tulg } type Tct_data = struct { Ffc struct { Fcode [0]Tush Ffreq Tush } Fdl struct { Flen1 [0]Tush Fdad Tush } } type Tct_data_s = Tct_data type Ttree_desc = struct { Fdyn_tree uintptr Fmax_code int32 Fstat_desc uintptr } type Ttree_desc_s = Ttree_desc type TPos = uint16 type TPosf = uint16 type TIPos = uint32 type Tdeflate_state = struct { Fstrm Tz_streamp Fstatus int32 Fpending_buf uintptr Fpending_buf_size Tulg Fpending_out uintptr Fpending Tulg Fwrap int32 Fgzhead Tgz_headerp Fgzindex Tulg Fmethod TByte Flast_flush int32 Fw_size TuInt Fw_bits TuInt Fw_mask TuInt Fwindow uintptr Fwindow_size Tulg Fprev uintptr Fhead uintptr Fins_h TuInt Fhash_size TuInt Fhash_bits TuInt Fhash_mask TuInt Fhash_shift TuInt Fblock_start int64 Fmatch_length TuInt Fprev_match TIPos Fmatch_available int32 Fstrstart TuInt Fmatch_start TuInt Flookahead TuInt Fprev_length TuInt Fmax_chain_length TuInt Fmax_lazy_match TuInt Flevel int32 Fstrategy int32 Fgood_match TuInt Fnice_match int32 Fdyn_ltree [573]Tct_data_s Fdyn_dtree [61]Tct_data_s Fbl_tree [39]Tct_data_s Fl_desc Ttree_desc_s Fd_desc Ttree_desc_s Fbl_desc Ttree_desc_s Fbl_count [16]Tush Fheap [573]int32 Fheap_len int32 Fheap_max int32 Fdepth [573]Tuch Fsym_buf uintptr Flit_bufsize TuInt Fsym_next TuInt Fsym_end TuInt Fopt_len Tulg Fstatic_len Tulg Fmatches TuInt Finsert TuInt Fbi_buf Tush Fbi_valid int32 Fhigh_water Tulg } /* If you use the zlib library in a product, an acknowledgment is welcome in the documentation of your product. If for some reason you cannot include such an acknowledgment, I would appreciate that you keep this copyright string in the executable of your product. */ type Tblock_state = int32 const _need_more = 0 const /* block not completed, need more input or more output */ _block_done = 1 const /* block flush performed */ _finish_started = 2 const /* finish started, need only more output at next deflate */ _finish_done = 3 type Tcompress_func = uintptr /* =========================================================================== * Local data */ /* Tail of hash chains */ /* Matches of length 3 are discarded if their distance exceeds TOO_FAR */ // C documentation // // /* Values for max_lazy_match, good_match and max_chain_length, depending on // * the desired pack level (0..9). The values given below have been tuned to // * exclude worst case performance for pathological files. Better values may be // * found for specific files. // */ type Tconfig = struct { Fgood_length Tush Fmax_lazy Tush Fnice_length Tush Fmax_chain Tush Ffunc1 Tcompress_func } /* =========================================================================== * Local data */ /* Tail of hash chains */ /* Matches of length 3 are discarded if their distance exceeds TOO_FAR */ // C documentation // // /* Values for max_lazy_match, good_match and max_chain_length, depending on // * the desired pack level (0..9). The values given below have been tuned to // * exclude worst case performance for pathological files. Better values may be // * found for specific files. // */ type Tconfig_s = Tconfig var _configuration_table = [10]Tconfig{ 0: {}, 1: { Fgood_length: uint16(4), Fmax_lazy: uint16(4), Fnice_length: uint16(8), Fmax_chain: uint16(4), }, 2: { Fgood_length: uint16(4), Fmax_lazy: uint16(5), Fnice_length: uint16(16), Fmax_chain: uint16(8), }, 3: { Fgood_length: uint16(4), Fmax_lazy: uint16(6), Fnice_length: uint16(32), Fmax_chain: uint16(32), }, 4: { Fgood_length: uint16(4), Fmax_lazy: uint16(4), Fnice_length: uint16(16), Fmax_chain: uint16(16), }, 5: { Fgood_length: uint16(8), Fmax_lazy: uint16(16), Fnice_length: uint16(32), Fmax_chain: uint16(32), }, 6: { Fgood_length: uint16(8), Fmax_lazy: uint16(16), Fnice_length: uint16(128), Fmax_chain: uint16(128), }, 7: { Fgood_length: uint16(8), Fmax_lazy: uint16(32), Fnice_length: uint16(128), Fmax_chain: uint16(256), }, 8: { Fgood_length: uint16(32), Fmax_lazy: uint16(128), Fnice_length: uint16(258), Fmax_chain: uint16(1024), }, 9: { Fgood_length: uint16(32), Fmax_lazy: uint16(258), Fnice_length: uint16(258), Fmax_chain: uint16(4096), }, } func init() { p := unsafe.Pointer(&_configuration_table) *(*uintptr)(unsafe.Add(p, 8)) = __ccgo_fp(_deflate_stored) *(*uintptr)(unsafe.Add(p, 24)) = __ccgo_fp(_deflate_fast) *(*uintptr)(unsafe.Add(p, 40)) = __ccgo_fp(_deflate_fast) *(*uintptr)(unsafe.Add(p, 56)) = __ccgo_fp(_deflate_fast) *(*uintptr)(unsafe.Add(p, 72)) = __ccgo_fp(_deflate_slow) *(*uintptr)(unsafe.Add(p, 88)) = __ccgo_fp(_deflate_slow) *(*uintptr)(unsafe.Add(p, 104)) = __ccgo_fp(_deflate_slow) *(*uintptr)(unsafe.Add(p, 120)) = __ccgo_fp(_deflate_slow) *(*uintptr)(unsafe.Add(p, 136)) = __ccgo_fp(_deflate_slow) *(*uintptr)(unsafe.Add(p, 152)) = __ccgo_fp(_deflate_slow) } /* max compression */ /* Note: the deflate() code requires max_lazy >= MIN_MATCH and max_chain >= 4 * For deflate_fast() (levels <= 3) good is ignored and lazy has a different * meaning. */ /* rank Z_BLOCK between Z_NO_FLUSH and Z_PARTIAL_FLUSH */ /* =========================================================================== * Update a hash value with the given input byte * IN assertion: all calls to UPDATE_HASH are made with consecutive input * characters, so that a running hash key can be computed from the previous * key instead of complete recalculation each time. */ /* =========================================================================== * Insert string str in the dictionary and set match_head to the previous head * of the hash chain (the most recent string with same hash key). Return * the previous length of the hash chain. * If this file is compiled with -DFASTEST, the compression level is forced * to 1, and no hash chains are maintained. * IN assertion: all calls to INSERT_STRING are made with consecutive input * characters and the first MIN_MATCH bytes of str are valid (except for * the last MIN_MATCH-1 bytes of the input file). */ /* =========================================================================== * Initialize the hash table (avoiding 64K overflow for 16 bit systems). * prev[] will be initialized on the fly. */ // C documentation // // /* =========================================================================== // * Slide the hash table when sliding the window down (could be avoided with 32 // * bit values at the expense of memory usage). We slide even when level == 0 to // * keep the hash table consistent if we switch back to level > 0 later. // */ func _slide_hash(tls *libc.TLS, s uintptr) { var m, n, v1, v4, v5, v8 uint32 var p, v3, v7 uintptr var wsize TuInt _, _, _, _, _, _, _, _, _, _ = m, n, p, wsize, v1, v3, v4, v5, v7, v8 wsize = (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size n = (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_size p = (*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr(n)*2 for { p -= 2 v3 = p m = uint32(*(*TPosf)(unsafe.Pointer(v3))) if m >= wsize { v4 = m - wsize } else { v4 = uint32(m_NIL) } *(*TPosf)(unsafe.Pointer(p)) = uint16(v4) goto _2 _2: n-- v1 = n if !(v1 != 0) { break } } n = wsize p = (*Tdeflate_state)(unsafe.Pointer(s)).Fprev + uintptr(n)*2 for { p -= 2 v7 = p m = uint32(*(*TPosf)(unsafe.Pointer(v7))) if m >= wsize { v8 = m - wsize } else { v8 = uint32(m_NIL) } *(*TPosf)(unsafe.Pointer(p)) = uint16(v8) /* If n is not on any hash chain, prev[n] is garbage but * its value will never be used. */ goto _6 _6: n-- v5 = n if !(v5 != 0) { break } } } // C documentation // // /* =========================================================================== // * Read a new buffer from the current input stream, update the adler32 // * and total number of bytes read. All deflate() input goes through // * this function so some applications may wish to modify it to avoid // * allocating a large strm->next_in buffer and copying from it. // * (See also flush_pending()). // */ func _read_buf(tls *libc.TLS, strm Tz_streamp, buf uintptr, size uint32) (r uint32) { var len1 uint32 _ = len1 len1 = (*Tz_stream)(unsafe.Pointer(strm)).Favail_in if len1 > size { len1 = size } if len1 == uint32(0) { return uint32(0) } *(*TuInt)(unsafe.Pointer(strm + 8)) -= len1 libc.Xmemcpy(tls, buf, (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in, uint64(uint64(len1))) if (*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fwrap == int32(1) { (*Tz_stream)(unsafe.Pointer(strm)).Fadler = Xadler32(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fadler, buf, len1) } else { if (*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fwrap == int32(2) { (*Tz_stream)(unsafe.Pointer(strm)).Fadler = Xcrc32(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fadler, buf, len1) } } *(*uintptr)(unsafe.Pointer(strm)) += uintptr(len1) *(*TuLong)(unsafe.Pointer(strm + 16)) += uint64(uint64(len1)) return len1 } // C documentation // // /* =========================================================================== // * Fill the window when the lookahead becomes insufficient. // * Updates strstart and lookahead. // * // * IN assertion: lookahead < MIN_LOOKAHEAD // * OUT assertions: strstart <= window_size-MIN_LOOKAHEAD // * At least one byte has been read, or avail_in == 0; reads are // * performed for at least two bytes (required for the zip translate_eol // * option -- not supported here). // */ func _fill_window(tls *libc.TLS, s uintptr) { var curr, init1 Tulg var more, n uint32 var str, wsize TuInt _, _, _, _, _, _ = curr, init1, more, n, str, wsize /* Amount of free space at the end of the window. */ wsize = (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size for cond := true; cond; cond = (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead < uint32(libc.Int32FromInt32(m_MAX_MATCH)+libc.Int32FromInt32(m_MIN_MATCH)+libc.Int32FromInt32(1)) && (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_in != uint32(0) { more = uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow_size - uint64((*Tdeflate_state)(unsafe.Pointer(s)).Flookahead) - uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)) /* Deal with !@#$% 64K limit: */ if uint64(4) <= uint64(2) { if more == uint32(0) && (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart == uint32(0) && (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead == uint32(0) { more = wsize } else { if more == uint32(-libc.Int32FromInt32(1)) { /* Very unlikely, but possible on 16 bit machine if * strstart == 0 && lookahead == 1 (input done a byte at time) */ more-- } } } /* If the window is almost full and there is insufficient lookahead, * move the upper half to the lower one to make room in the upper half. */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart >= wsize+((*Tdeflate_state)(unsafe.Pointer(s)).Fw_size-uint32(libc.Int32FromInt32(m_MAX_MATCH)+libc.Int32FromInt32(m_MIN_MATCH)+libc.Int32FromInt32(1))) { libc.Xmemcpy(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow+uintptr(wsize), uint64(wsize-more)) *(*TuInt)(unsafe.Pointer(s + 176)) -= wsize *(*TuInt)(unsafe.Pointer(s + 172)) -= wsize /* we now have strstart >= MAX_DIST */ *(*int64)(unsafe.Pointer(s + 152)) -= int64(int64(wsize)) if (*Tdeflate_state)(unsafe.Pointer(s)).Finsert > (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart { (*Tdeflate_state)(unsafe.Pointer(s)).Finsert = (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart } _slide_hash(tls, s) more += wsize } if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_in == uint32(0) { break } /* If there was no sliding: * strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 && * more == window_size - lookahead - strstart * => more >= window_size - (MIN_LOOKAHEAD-1 + WSIZE + MAX_DIST-1) * => more >= window_size - 2*WSIZE + 2 * In the BIG_MEM or MMAP case (not yet supported), * window_size == input_size + MIN_LOOKAHEAD && * strstart + s->lookahead <= input_size => more >= MIN_LOOKAHEAD. * Otherwise, window_size == 2*WSIZE so more >= 2. * If there was sliding, more >= WSIZE. So in all cases, more >= 2. */ n = _read_buf(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Flookahead), more) *(*TuInt)(unsafe.Pointer(s + 180)) += n /* Initialize the hash value now that we have some input: */ if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead+(*Tdeflate_state)(unsafe.Pointer(s)).Finsert >= uint32(m_MIN_MATCH) { str = (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart - (*Tdeflate_state)(unsafe.Pointer(s)).Finsert (*Tdeflate_state)(unsafe.Pointer(s)).Fins_h = uint32(*(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(str)))) (*Tdeflate_state)(unsafe.Pointer(s)).Fins_h = ((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h<<(*Tdeflate_state)(unsafe.Pointer(s)).Fhash_shift ^ uint32(*(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(str+uint32(1)))))) & (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_mask for (*Tdeflate_state)(unsafe.Pointer(s)).Finsert != 0 { (*Tdeflate_state)(unsafe.Pointer(s)).Fins_h = ((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h<<(*Tdeflate_state)(unsafe.Pointer(s)).Fhash_shift ^ uint32(*(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(str+uint32(m_MIN_MATCH)-uint32(1)))))) & (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_mask *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fprev + uintptr(str&(*Tdeflate_state)(unsafe.Pointer(s)).Fw_mask)*2)) = *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h)*2)) *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h)*2)) = uint16(uint16(str)) str++ (*Tdeflate_state)(unsafe.Pointer(s)).Finsert-- if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead+(*Tdeflate_state)(unsafe.Pointer(s)).Finsert < uint32(m_MIN_MATCH) { break } } } /* If the whole input has less than MIN_MATCH bytes, ins_h is garbage, * but this is not important since only literal bytes will be emitted. */ } /* If the WIN_INIT bytes after the end of the current data have never been * written, then zero those bytes in order to avoid memory check reports of * the use of uninitialized (or uninitialised as Julian writes) bytes by * the longest match routines. Update the high water mark for the next * time through here. WIN_INIT is set to MAX_MATCH since the longest match * routines allow scanning to strstart + MAX_MATCH, ignoring lookahead. */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fhigh_water < (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow_size { curr = uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) + uint64((*Tdeflate_state)(unsafe.Pointer(s)).Flookahead) if (*Tdeflate_state)(unsafe.Pointer(s)).Fhigh_water < curr { /* Previous high water mark below current data -- zero WIN_INIT * bytes or up to end of window, whichever is less. */ init1 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow_size - curr if init1 > uint64(m_MAX_MATCH) { init1 = uint64(m_MAX_MATCH) } libc.Xmemset(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow+uintptr(curr), 0, uint64(uint32(uint32(init1)))) (*Tdeflate_state)(unsafe.Pointer(s)).Fhigh_water = curr + init1 } else { if (*Tdeflate_state)(unsafe.Pointer(s)).Fhigh_water < curr+uint64(m_MAX_MATCH) { /* High water mark at or above current data, but below current data * plus WIN_INIT -- zero out to current data plus WIN_INIT, or up * to end of window, whichever is less. */ init1 = curr + uint64(m_MAX_MATCH) - (*Tdeflate_state)(unsafe.Pointer(s)).Fhigh_water if init1 > (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow_size-(*Tdeflate_state)(unsafe.Pointer(s)).Fhigh_water { init1 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow_size - (*Tdeflate_state)(unsafe.Pointer(s)).Fhigh_water } libc.Xmemset(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fhigh_water), 0, uint64(uint32(uint32(init1)))) *(*Tulg)(unsafe.Pointer(s + 5944)) += init1 } } } } // C documentation // // /* ========================================================================= */ func XdeflateInit_(tls *libc.TLS, strm Tz_streamp, level int32, version uintptr, stream_size int32) (r int32) { return XdeflateInit2_(tls, strm, level, int32(m_Z_DEFLATED), int32(m_MAX_WBITS), int32(m_DEF_MEM_LEVEL), m_Z_DEFAULT_STRATEGY, version, stream_size) /* To do: ignore strm->next_in if we use it as window */ } // C documentation // // /* ========================================================================= */ func XdeflateInit2_(tls *libc.TLS, strm Tz_streamp, level int32, method int32, windowBits int32, memLevel int32, strategy int32, version uintptr, stream_size int32) (r int32) { var s uintptr var wrap int32 _, _ = s, wrap wrap = int32(1) if version == uintptr(m_Z_NULL) || int32(*(*int8)(unsafe.Pointer(version))) != int32(_my_version[0]) || uint64(uint64(stream_size)) != uint64(112) { return -int32(6) } if strm == uintptr(m_Z_NULL) { return -int32(2) } (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = uintptr(m_Z_NULL) if (*Tz_stream)(unsafe.Pointer(strm)).Fzalloc == libc.UintptrFromInt32(0) { (*Tz_stream)(unsafe.Pointer(strm)).Fzalloc = __ccgo_fp(Xzcalloc) (*Tz_stream)(unsafe.Pointer(strm)).Fopaque = libc.UintptrFromInt32(0) } if (*Tz_stream)(unsafe.Pointer(strm)).Fzfree == libc.UintptrFromInt32(0) { (*Tz_stream)(unsafe.Pointer(strm)).Fzfree = __ccgo_fp(Xzcfree) } if level == -int32(1) { level = int32(6) } if windowBits < 0 { /* suppress zlib wrapper */ wrap = 0 if windowBits < -int32(15) { return -int32(2) } windowBits = -windowBits } else { if windowBits > int32(15) { wrap = int32(2) /* write gzip wrapper instead */ windowBits -= int32(16) } } if memLevel < int32(1) || memLevel > int32(m_MAX_MEM_LEVEL) || method != int32(m_Z_DEFLATED) || windowBits < int32(8) || windowBits > int32(15) || level < 0 || level > int32(9) || strategy < 0 || strategy > int32(m_Z_FIXED) || windowBits == int32(8) && wrap != int32(1) { return -int32(2) } if windowBits == int32(8) { windowBits = int32(9) } /* until 256-byte window bug fixed */ s = (*(*func(*libc.TLS, Tvoidpf, TuInt, TuInt) Tvoidpf)(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzalloc})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, uint32(libc.Int32FromInt32(1)), uint32(libc.Uint64FromInt64(5952))) if s == uintptr(m_Z_NULL) { return -int32(4) } (*Tz_stream)(unsafe.Pointer(strm)).Fstate = s (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm = strm (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus = int32(m_INIT_STATE) /* to pass state test in deflateReset() */ (*Tdeflate_state)(unsafe.Pointer(s)).Fwrap = wrap (*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead = uintptr(m_Z_NULL) (*Tdeflate_state)(unsafe.Pointer(s)).Fw_bits = uint32(uint32(windowBits)) (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size = uint32(int32(1) << (*Tdeflate_state)(unsafe.Pointer(s)).Fw_bits) (*Tdeflate_state)(unsafe.Pointer(s)).Fw_mask = (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size - uint32(1) (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_bits = uint32(uint32(memLevel)) + uint32(7) (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_size = uint32(int32(1) << (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_bits) (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_mask = (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_size - uint32(1) (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_shift = ((*Tdeflate_state)(unsafe.Pointer(s)).Fhash_bits + libc.Uint32FromInt32(m_MIN_MATCH) - libc.Uint32FromInt32(1)) / libc.Uint32FromInt32(m_MIN_MATCH) (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow = (*(*func(*libc.TLS, Tvoidpf, TuInt, TuInt) Tvoidpf)(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzalloc})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size, uint32(libc.Uint64FromInt32(2)*libc.Uint64FromInt64(1))) (*Tdeflate_state)(unsafe.Pointer(s)).Fprev = (*(*func(*libc.TLS, Tvoidpf, TuInt, TuInt) Tvoidpf)(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzalloc})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size, uint32(libc.Uint64FromInt64(2))) (*Tdeflate_state)(unsafe.Pointer(s)).Fhead = (*(*func(*libc.TLS, Tvoidpf, TuInt, TuInt) Tvoidpf)(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzalloc})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_size, uint32(libc.Uint64FromInt64(2))) (*Tdeflate_state)(unsafe.Pointer(s)).Fhigh_water = uint64(0) /* nothing written to s->window yet */ (*Tdeflate_state)(unsafe.Pointer(s)).Flit_bufsize = uint32(int32(1) << (memLevel + int32(6))) /* 16K elements by default */ /* We overlay pending_buf and sym_buf. This works since the average size * for length/distance pairs over any compressed block is assured to be 31 * bits or less. * * Analysis: The longest fixed codes are a length code of 8 bits plus 5 * extra bits, for lengths 131 to 257. The longest fixed distance codes are * 5 bits plus 13 extra bits, for distances 16385 to 32768. The longest * possible fixed-codes length/distance pair is then 31 bits total. * * sym_buf starts one-fourth of the way into pending_buf. So there are * three bytes in sym_buf for every four bytes in pending_buf. Each symbol * in sym_buf is three bytes -- two for the distance and one for the * literal/length. As each symbol is consumed, the pointer to the next * sym_buf value to read moves forward three bytes. From that symbol, up to * 31 bits are written to pending_buf. The closest the written pending_buf * bits gets to the next sym_buf symbol to read is just before the last * code is written. At that time, 31*(n - 2) bits have been written, just * after 24*(n - 2) bits have been consumed from sym_buf. sym_buf starts at * 8*n bits into pending_buf. (Note that the symbol buffer fills when n - 1 * symbols are written.) The closest the writing gets to what is unread is * then n + 14 bits. Here n is lit_bufsize, which is 16384 by default, and * can range from 128 to 32768. * * Therefore, at a minimum, there are 142 bits of space between what is * written and what is read in the overlain buffers, so the symbols cannot * be overwritten by the compressed data. That space is actually 139 bits, * due to the three-bit fixed-code block header. * * That covers the case where either Z_FIXED is specified, forcing fixed * codes, or when the use of fixed codes is chosen, because that choice * results in a smaller compressed block than dynamic codes. That latter * condition then assures that the above analysis also covers all dynamic * blocks. A dynamic-code block will only be chosen to be emitted if it has * fewer bits than a fixed-code block would for the same set of symbols. * Therefore its average symbol length is assured to be less than 31. So * the compressed data for a dynamic block also cannot overwrite the * symbols from which it is being constructed. */ (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf = (*(*func(*libc.TLS, Tvoidpf, TuInt, TuInt) Tvoidpf)(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzalloc})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, (*Tdeflate_state)(unsafe.Pointer(s)).Flit_bufsize, uint32(libc.Int32FromInt32(4))) (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf_size = uint64((*Tdeflate_state)(unsafe.Pointer(s)).Flit_bufsize) * uint64(4) if (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow == uintptr(m_Z_NULL) || (*Tdeflate_state)(unsafe.Pointer(s)).Fprev == uintptr(m_Z_NULL) || (*Tdeflate_state)(unsafe.Pointer(s)).Fhead == uintptr(m_Z_NULL) || (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf == uintptr(m_Z_NULL) { (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus = int32(m_FINISH_STATE) (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = Xz_errmsg[libc.Int32FromInt32(m_Z_NEED_DICT) - -libc.Int32FromInt32(4)] XdeflateEnd(tls, strm) return -int32(4) } (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf = (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Flit_bufsize) (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_end = ((*Tdeflate_state)(unsafe.Pointer(s)).Flit_bufsize - uint32(1)) * uint32(3) /* We avoid equality with lit_bufsize*3 because of wraparound at 64K * on 16 bit machines and because stored blocks are restricted to * 64K-1 bytes. */ (*Tdeflate_state)(unsafe.Pointer(s)).Flevel = level (*Tdeflate_state)(unsafe.Pointer(s)).Fstrategy = strategy (*Tdeflate_state)(unsafe.Pointer(s)).Fmethod = uint8(uint8(method)) return XdeflateReset(tls, strm) } var _my_version = [4]int8{'1', '.', '3'} // C documentation // // /* ========================================================================= // * Check for a valid deflate stream state. Return 0 if ok, 1 if not. // */ func _deflateStateCheck(tls *libc.TLS, strm Tz_streamp) (r int32) { var s uintptr _ = s if strm == uintptr(m_Z_NULL) || (*Tz_stream)(unsafe.Pointer(strm)).Fzalloc == libc.UintptrFromInt32(0) || (*Tz_stream)(unsafe.Pointer(strm)).Fzfree == libc.UintptrFromInt32(0) { return int32(1) } s = (*Tz_stream)(unsafe.Pointer(strm)).Fstate if s == uintptr(m_Z_NULL) || (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm != strm || (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus != int32(m_INIT_STATE) && (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus != int32(m_GZIP_STATE) && (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus != int32(m_EXTRA_STATE) && (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus != int32(m_NAME_STATE) && (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus != int32(m_COMMENT_STATE) && (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus != int32(m_HCRC_STATE) && (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus != int32(m_BUSY_STATE) && (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus != int32(m_FINISH_STATE) { return int32(1) } return 0 } // C documentation // // /* ========================================================================= */ func XdeflateSetDictionary(tls *libc.TLS, strm Tz_streamp, dictionary uintptr, dictLength TuInt) (r int32) { var avail uint32 var n, str, v1, v3 TuInt var next, s uintptr var wrap int32 _, _, _, _, _, _, _, _ = avail, n, next, s, str, wrap, v1, v3 if _deflateStateCheck(tls, strm) != 0 || dictionary == uintptr(m_Z_NULL) { return -int32(2) } s = (*Tz_stream)(unsafe.Pointer(strm)).Fstate wrap = (*Tdeflate_state)(unsafe.Pointer(s)).Fwrap if wrap == int32(2) || wrap == int32(1) && (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus != int32(m_INIT_STATE) || (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead != 0 { return -int32(2) } /* when using zlib wrappers, compute Adler-32 for provided dictionary */ if wrap == int32(1) { (*Tz_stream)(unsafe.Pointer(strm)).Fadler = Xadler32(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fadler, dictionary, dictLength) } (*Tdeflate_state)(unsafe.Pointer(s)).Fwrap = 0 /* avoid computing Adler-32 in read_buf */ /* if dictionary would fill window, just replace the history */ if dictLength >= (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size { if wrap == 0 { /* already empty otherwise */ *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fhash_size-uint32(1))*2)) = uint16(m_NIL) libc.Xmemset(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fhead, 0, uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fhash_size-libc.Uint32FromInt32(1))*uint64(2)) (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart = uint32(0) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = 0 (*Tdeflate_state)(unsafe.Pointer(s)).Finsert = uint32(0) } dictionary += uintptr(dictLength - (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size) /* use the tail */ dictLength = (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size } /* insert dictionary into window and hash */ avail = (*Tz_stream)(unsafe.Pointer(strm)).Favail_in next = (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in (*Tz_stream)(unsafe.Pointer(strm)).Favail_in = dictLength (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in = dictionary _fill_window(tls, s) for (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead >= uint32(m_MIN_MATCH) { str = (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart n = (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead - uint32(libc.Int32FromInt32(m_MIN_MATCH)-libc.Int32FromInt32(1)) for { (*Tdeflate_state)(unsafe.Pointer(s)).Fins_h = ((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h<<(*Tdeflate_state)(unsafe.Pointer(s)).Fhash_shift ^ uint32(*(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(str+uint32(m_MIN_MATCH)-uint32(1)))))) & (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_mask *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fprev + uintptr(str&(*Tdeflate_state)(unsafe.Pointer(s)).Fw_mask)*2)) = *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h)*2)) *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h)*2)) = uint16(uint16(str)) str++ goto _2 _2: n-- v1 = n if !(v1 != 0) { break } } (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart = str (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead = uint32(libc.Int32FromInt32(m_MIN_MATCH) - libc.Int32FromInt32(1)) _fill_window(tls, s) } *(*TuInt)(unsafe.Pointer(s + 172)) += (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) (*Tdeflate_state)(unsafe.Pointer(s)).Finsert = (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead = uint32(0) v3 = uint32(libc.Int32FromInt32(m_MIN_MATCH) - libc.Int32FromInt32(1)) (*Tdeflate_state)(unsafe.Pointer(s)).Fprev_length = v3 (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length = v3 (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_available = 0 (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in = next (*Tz_stream)(unsafe.Pointer(strm)).Favail_in = avail (*Tdeflate_state)(unsafe.Pointer(s)).Fwrap = wrap return m_Z_OK } // C documentation // // /* ========================================================================= */ func XdeflateGetDictionary(tls *libc.TLS, strm Tz_streamp, dictionary uintptr, dictLength uintptr) (r int32) { var len1 TuInt var s uintptr _, _ = len1, s if _deflateStateCheck(tls, strm) != 0 { return -int32(2) } s = (*Tz_stream)(unsafe.Pointer(strm)).Fstate len1 = (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart + (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead if len1 > (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size { len1 = (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size } if dictionary != uintptr(m_Z_NULL) && len1 != 0 { libc.Xmemcpy(tls, dictionary, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Flookahead)-uintptr(len1), uint64(uint64(len1))) } if dictLength != uintptr(m_Z_NULL) { *(*TuInt)(unsafe.Pointer(dictLength)) = len1 } return m_Z_OK } // C documentation // // /* ========================================================================= */ func XdeflateResetKeep(tls *libc.TLS, strm Tz_streamp) (r int32) { var s uintptr var v1 TuLong var v2 int32 var v3 uint64 _, _, _, _ = s, v1, v2, v3 if _deflateStateCheck(tls, strm) != 0 { return -int32(2) } v1 = libc.Uint64FromInt32(0) (*Tz_stream)(unsafe.Pointer(strm)).Ftotal_out = v1 (*Tz_stream)(unsafe.Pointer(strm)).Ftotal_in = v1 (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = uintptr(m_Z_NULL) /* use zfree if we ever allocate msg dynamically */ (*Tz_stream)(unsafe.Pointer(strm)).Fdata_type = int32(m_Z_UNKNOWN) s = (*Tz_stream)(unsafe.Pointer(strm)).Fstate (*Tdeflate_state)(unsafe.Pointer(s)).Fpending = uint64(0) (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_out = (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf if (*Tdeflate_state)(unsafe.Pointer(s)).Fwrap < 0 { (*Tdeflate_state)(unsafe.Pointer(s)).Fwrap = -(*Tdeflate_state)(unsafe.Pointer(s)).Fwrap /* was made negative by deflate(..., Z_FINISH); */ } if (*Tdeflate_state)(unsafe.Pointer(s)).Fwrap == int32(2) { v2 = int32(m_GZIP_STATE) } else { v2 = int32(m_INIT_STATE) } (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus = v2 if (*Tdeflate_state)(unsafe.Pointer(s)).Fwrap == int32(2) { v3 = Xcrc32(tls, uint64(0), uintptr(m_Z_NULL), uint32(0)) } else { v3 = Xadler32(tls, uint64(0), uintptr(m_Z_NULL), uint32(0)) } (*Tz_stream)(unsafe.Pointer(strm)).Fadler = v3 (*Tdeflate_state)(unsafe.Pointer(s)).Flast_flush = -int32(2) x__tr_init(tls, s) return m_Z_OK } // C documentation // // /* =========================================================================== // * Initialize the "longest match" routines for a new zlib stream // */ func _lm_init(tls *libc.TLS, s uintptr) { var v1 TuInt _ = v1 (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow_size = libc.Uint64FromInt64(2) * uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fw_size) *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fhash_size-uint32(1))*2)) = uint16(m_NIL) libc.Xmemset(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fhead, 0, uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fhash_size-libc.Uint32FromInt32(1))*uint64(2)) /* Set the default configuration parameters: */ (*Tdeflate_state)(unsafe.Pointer(s)).Fmax_lazy_match = uint32(_configuration_table[(*Tdeflate_state)(unsafe.Pointer(s)).Flevel].Fmax_lazy) (*Tdeflate_state)(unsafe.Pointer(s)).Fgood_match = uint32(_configuration_table[(*Tdeflate_state)(unsafe.Pointer(s)).Flevel].Fgood_length) (*Tdeflate_state)(unsafe.Pointer(s)).Fnice_match = int32(_configuration_table[(*Tdeflate_state)(unsafe.Pointer(s)).Flevel].Fnice_length) (*Tdeflate_state)(unsafe.Pointer(s)).Fmax_chain_length = uint32(_configuration_table[(*Tdeflate_state)(unsafe.Pointer(s)).Flevel].Fmax_chain) (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart = uint32(0) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = 0 (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead = uint32(0) (*Tdeflate_state)(unsafe.Pointer(s)).Finsert = uint32(0) v1 = uint32(libc.Int32FromInt32(m_MIN_MATCH) - libc.Int32FromInt32(1)) (*Tdeflate_state)(unsafe.Pointer(s)).Fprev_length = v1 (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length = v1 (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_available = 0 (*Tdeflate_state)(unsafe.Pointer(s)).Fins_h = uint32(0) } // C documentation // // /* ========================================================================= */ func XdeflateReset(tls *libc.TLS, strm Tz_streamp) (r int32) { var ret int32 _ = ret ret = XdeflateResetKeep(tls, strm) if ret == m_Z_OK { _lm_init(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fstate) } return ret } // C documentation // // /* ========================================================================= */ func XdeflateSetHeader(tls *libc.TLS, strm Tz_streamp, head Tgz_headerp) (r int32) { if _deflateStateCheck(tls, strm) != 0 || (*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fwrap != int32(2) { return -int32(2) } (*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fgzhead = head return m_Z_OK } // C documentation // // /* ========================================================================= */ func XdeflatePending(tls *libc.TLS, strm Tz_streamp, pending uintptr, bits uintptr) (r int32) { if _deflateStateCheck(tls, strm) != 0 { return -int32(2) } if pending != uintptr(m_Z_NULL) { *(*uint32)(unsafe.Pointer(pending)) = uint32((*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fpending) } if bits != uintptr(m_Z_NULL) { *(*int32)(unsafe.Pointer(bits)) = (*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fbi_valid } return m_Z_OK } // C documentation // // /* ========================================================================= */ func XdeflatePrime(tls *libc.TLS, strm Tz_streamp, bits int32, value int32) (r int32) { var put int32 var s, p1 uintptr _, _, _ = put, s, p1 if _deflateStateCheck(tls, strm) != 0 { return -int32(2) } s = (*Tz_stream)(unsafe.Pointer(strm)).Fstate if bits < 0 || bits > int32(16) || (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf < (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_out+uintptr((libc.Int32FromInt32(m_Buf_size)+libc.Int32FromInt32(7))>>libc.Int32FromInt32(3)) { return -int32(5) } for cond := true; cond; cond = bits != 0 { put = int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid if put > bits { put = bits } p1 = s + 5936 *(*Tush)(unsafe.Pointer(p1)) = Tush(int32(*(*Tush)(unsafe.Pointer(p1))) | int32(uint16(value&(libc.Int32FromInt32(1)<>= put bits -= put } return m_Z_OK } // C documentation // // /* ========================================================================= */ func XdeflateParams(tls *libc.TLS, strm Tz_streamp, level int32, strategy int32) (r int32) { var err int32 var func1 Tcompress_func var s uintptr _, _, _ = err, func1, s if _deflateStateCheck(tls, strm) != 0 { return -int32(2) } s = (*Tz_stream)(unsafe.Pointer(strm)).Fstate if level == -int32(1) { level = int32(6) } if level < 0 || level > int32(9) || strategy < 0 || strategy > int32(m_Z_FIXED) { return -int32(2) } func1 = _configuration_table[(*Tdeflate_state)(unsafe.Pointer(s)).Flevel].Ffunc1 if (strategy != (*Tdeflate_state)(unsafe.Pointer(s)).Fstrategy || func1 != _configuration_table[level].Ffunc1) && (*Tdeflate_state)(unsafe.Pointer(s)).Flast_flush != -int32(2) { /* Flush the last buffer: */ err = Xdeflate(tls, strm, int32(m_Z_BLOCK)) if err == -int32(2) { return err } if (*Tz_stream)(unsafe.Pointer(strm)).Favail_in != 0 || int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)-(*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start+int64((*Tdeflate_state)(unsafe.Pointer(s)).Flookahead) != 0 { return -int32(5) } } if (*Tdeflate_state)(unsafe.Pointer(s)).Flevel != level { if (*Tdeflate_state)(unsafe.Pointer(s)).Flevel == 0 && (*Tdeflate_state)(unsafe.Pointer(s)).Fmatches != uint32(0) { if (*Tdeflate_state)(unsafe.Pointer(s)).Fmatches == uint32(1) { _slide_hash(tls, s) } else { *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fhash_size-uint32(1))*2)) = uint16(m_NIL) libc.Xmemset(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fhead, 0, uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fhash_size-libc.Uint32FromInt32(1))*uint64(2)) } (*Tdeflate_state)(unsafe.Pointer(s)).Fmatches = uint32(0) } (*Tdeflate_state)(unsafe.Pointer(s)).Flevel = level (*Tdeflate_state)(unsafe.Pointer(s)).Fmax_lazy_match = uint32(_configuration_table[level].Fmax_lazy) (*Tdeflate_state)(unsafe.Pointer(s)).Fgood_match = uint32(_configuration_table[level].Fgood_length) (*Tdeflate_state)(unsafe.Pointer(s)).Fnice_match = int32(_configuration_table[level].Fnice_length) (*Tdeflate_state)(unsafe.Pointer(s)).Fmax_chain_length = uint32(_configuration_table[level].Fmax_chain) } (*Tdeflate_state)(unsafe.Pointer(s)).Fstrategy = strategy return m_Z_OK } // C documentation // // /* ========================================================================= */ func XdeflateTune(tls *libc.TLS, strm Tz_streamp, good_length int32, max_lazy int32, nice_length int32, max_chain int32) (r int32) { var s uintptr _ = s if _deflateStateCheck(tls, strm) != 0 { return -int32(2) } s = (*Tz_stream)(unsafe.Pointer(strm)).Fstate (*Tdeflate_state)(unsafe.Pointer(s)).Fgood_match = uint32(uint32(good_length)) (*Tdeflate_state)(unsafe.Pointer(s)).Fmax_lazy_match = uint32(uint32(max_lazy)) (*Tdeflate_state)(unsafe.Pointer(s)).Fnice_match = nice_length (*Tdeflate_state)(unsafe.Pointer(s)).Fmax_chain_length = uint32(uint32(max_chain)) return m_Z_OK } // C documentation // // /* ========================================================================= // * For the default windowBits of 15 and memLevel of 8, this function returns a // * close to exact, as well as small, upper bound on the compressed size. This // * is an expansion of ~0.03%, plus a small constant. // * // * For any setting other than those defaults for windowBits and memLevel, one // * of two worst case bounds is returned. This is at most an expansion of ~4% or // * ~13%, plus a small constant. // * // * Both the 0.03% and 4% derive from the overhead of stored blocks. The first // * one is for stored blocks of 16383 bytes (memLevel == 8), whereas the second // * is for stored blocks of 127 bytes (the worst case memLevel == 1). The // * expansion results from five bytes of header for each stored block. // * // * The larger expansion of 13% results from a window size less than or equal to // * the symbols buffer size (windowBits <= memLevel + 7). In that case some of // * the data being compressed may have slid out of the sliding window, impeding // * a stored block from being emitted. Then the only choice is a fixed or // * dynamic block, where a fixed block limits the maximum expansion to 9 bits // * per 8-bit byte, plus 10 bits for every block. The smallest block size for // * which this can occur is 255 (memLevel == 2). // * // * Shifts are used to approximate divisions, for speed. // */ func XdeflateBound(tls *libc.TLS, strm Tz_streamp, sourceLen TuLong) (r TuLong) { var fixedlen, storelen, wraplen TuLong var s, str, v3, v5 uintptr var v1, v7 uint64 var v2 int32 _, _, _, _, _, _, _, _, _, _ = fixedlen, s, storelen, str, wraplen, v1, v2, v3, v5, v7 /* upper bound for fixed blocks with 9-bit literals and length 255 (memLevel == 2, which is the lowest that may not use stored blocks) -- ~13% overhead plus a small constant */ fixedlen = sourceLen + sourceLen>>libc.Int32FromInt32(3) + sourceLen>>libc.Int32FromInt32(8) + sourceLen>>libc.Int32FromInt32(9) + uint64(4) /* upper bound for stored blocks with length 127 (memLevel == 1) -- ~4% overhead plus a small constant */ storelen = sourceLen + sourceLen>>libc.Int32FromInt32(5) + sourceLen>>libc.Int32FromInt32(7) + sourceLen>>libc.Int32FromInt32(11) + uint64(7) /* if can't get parameters, return larger bound plus a zlib wrapper */ if _deflateStateCheck(tls, strm) != 0 { if fixedlen > storelen { v1 = fixedlen } else { v1 = storelen } return v1 + uint64(6) } /* compute wrapper length */ s = (*Tz_stream)(unsafe.Pointer(strm)).Fstate switch (*Tdeflate_state)(unsafe.Pointer(s)).Fwrap { case 0: wraplen = uint64(0) case int32(1): if (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart != 0 { v2 = int32(4) } else { v2 = 0 } wraplen = uint64(int32(6) + v2) case int32(2): wraplen = uint64(18) if (*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead != uintptr(m_Z_NULL) { if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fextra != uintptr(m_Z_NULL) { wraplen += uint64(uint32(2) + (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fextra_len) } str = (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fname if str != uintptr(m_Z_NULL) { for { wraplen++ goto _4 _4: v3 = str str++ if !(*(*TBytef)(unsafe.Pointer(v3)) != 0) { break } } } str = (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fcomment if str != uintptr(m_Z_NULL) { for { wraplen++ goto _6 _6: v5 = str str++ if !(*(*TBytef)(unsafe.Pointer(v5)) != 0) { break } } } if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fhcrc != 0 { wraplen += uint64(2) } } default: /* for compiler happiness */ wraplen = uint64(6) } /* if not default parameters, return one of the conservative bounds */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fw_bits != uint32(15) || (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_bits != uint32(libc.Int32FromInt32(8)+libc.Int32FromInt32(7)) { if (*Tdeflate_state)(unsafe.Pointer(s)).Fw_bits <= (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_bits && (*Tdeflate_state)(unsafe.Pointer(s)).Flevel != 0 { v7 = fixedlen } else { v7 = storelen } return v7 + wraplen } /* default settings: return tight bound for that case -- ~0.03% overhead plus a small constant */ return sourceLen + sourceLen>>libc.Int32FromInt32(12) + sourceLen>>libc.Int32FromInt32(14) + sourceLen>>libc.Int32FromInt32(25) + uint64(13) - uint64(6) + wraplen } // C documentation // // /* ========================================================================= // * Put a short in the pending buffer. The 16-bit value is put in MSB order. // * IN assertion: the stream state is correct and there is enough room in // * pending_buf. // */ func _putShortMSB(tls *libc.TLS, s uintptr, b TuInt) { var v1, v3 Tulg var v2, v4 uintptr _, _, _, _ = v1, v2, v3, v4 v2 = s + 40 v1 = *(*Tulg)(unsafe.Pointer(v2)) *(*Tulg)(unsafe.Pointer(v2))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v1))) = uint8(b >> libc.Int32FromInt32(8)) v4 = s + 40 v3 = *(*Tulg)(unsafe.Pointer(v4)) *(*Tulg)(unsafe.Pointer(v4))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v3))) = uint8(b & libc.Uint32FromInt32(0xff)) } // C documentation // // /* ========================================================================= // * Flush as much pending output as possible. All deflate() output, except for // * some deflate_stored() output, goes through this function so some // * applications may wish to modify it to avoid allocating a large // * strm->next_out buffer and copying into it. (See also read_buf()). // */ func _flush_pending(tls *libc.TLS, strm Tz_streamp) { var len1 uint32 var s uintptr _, _ = len1, s s = (*Tz_stream)(unsafe.Pointer(strm)).Fstate x__tr_flush_bits(tls, s) len1 = uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fpending) if len1 > (*Tz_stream)(unsafe.Pointer(strm)).Favail_out { len1 = (*Tz_stream)(unsafe.Pointer(strm)).Favail_out } if len1 == uint32(0) { return } libc.Xmemcpy(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fnext_out, (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_out, uint64(uint64(len1))) *(*uintptr)(unsafe.Pointer(strm + 24)) += uintptr(len1) *(*uintptr)(unsafe.Pointer(s + 32)) += uintptr(len1) *(*TuLong)(unsafe.Pointer(strm + 40)) += uint64(uint64(len1)) *(*TuInt)(unsafe.Pointer(strm + 32)) -= len1 *(*Tulg)(unsafe.Pointer(s + 40)) -= uint64(uint64(len1)) if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending == uint64(0) { (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_out = (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf } } /* =========================================================================== * Update the header CRC with the bytes s->pending_buf[beg..s->pending - 1]. */ // C documentation // // /* ========================================================================= */ func Xdeflate(tls *libc.TLS, strm Tz_streamp, flush int32) (r int32) { var beg, beg1, beg2, v10, v12, v14, v16, v18, v20, v24, v26, v33, v35, v37, v39, v4, v41, v45, v47, v49, v51, v53, v55, v57, v59, v6, v61, v66, v68, v70, v72, v74, v76, v78, v8, v80 Tulg var bstate Tblock_state var copy1, header, left, level_flags TuInt var old_flush, val, val1, v1, v2, v22, v23, v28, v29, v30, v31, v32, v43, v44, v63, v64, v65, v82 int32 var s, v11, v13, v15, v17, v19, v21, v25, v27, v34, v36, v38, v40, v42, v46, v48, v5, v50, v52, v54, v56, v58, v60, v62, v67, v69, v7, v71, v73, v75, v77, v79, v81, v9 uintptr var v3 bool _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = beg, beg1, beg2, bstate, copy1, header, left, level_flags, old_flush, s, val, val1, v1, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v2, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v3, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v4, v40, v41, v42, v43, v44, v45, v46, v47, v48, v49, v5, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v6, v60, v61, v62, v63, v64, v65, v66, v67, v68, v69, v7, v70, v71, v72, v73, v74, v75, v76, v77, v78, v79, v8, v80, v81, v82, v9 if _deflateStateCheck(tls, strm) != 0 || flush > int32(m_Z_BLOCK) || flush < 0 { return -int32(2) } s = (*Tz_stream)(unsafe.Pointer(strm)).Fstate if (*Tz_stream)(unsafe.Pointer(strm)).Fnext_out == uintptr(m_Z_NULL) || (*Tz_stream)(unsafe.Pointer(strm)).Favail_in != uint32(0) && (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in == uintptr(m_Z_NULL) || (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus == int32(m_FINISH_STATE) && flush != int32(m_Z_FINISH) { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = Xz_errmsg[libc.Int32FromInt32(m_Z_NEED_DICT) - -libc.Int32FromInt32(2)] return -libc.Int32FromInt32(2) } if (*Tz_stream)(unsafe.Pointer(strm)).Favail_out == uint32(0) { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = Xz_errmsg[libc.Int32FromInt32(m_Z_NEED_DICT) - -libc.Int32FromInt32(5)] return -libc.Int32FromInt32(5) } old_flush = (*Tdeflate_state)(unsafe.Pointer(s)).Flast_flush (*Tdeflate_state)(unsafe.Pointer(s)).Flast_flush = flush /* Flush as much pending output as possible */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending != uint64(0) { _flush_pending(tls, strm) if (*Tz_stream)(unsafe.Pointer(strm)).Favail_out == uint32(0) { /* Since avail_out is 0, deflate will be called again with * more output space, but possibly with both pending and * avail_in equal to zero. There won't be anything to do, * but this is not an error situation so make sure we * return OK instead of BUF_ERROR at next call of deflate: */ (*Tdeflate_state)(unsafe.Pointer(s)).Flast_flush = -int32(1) return m_Z_OK } /* Make sure there is something to do and avoid duplicate consecutive * flushes. For repeated and useless calls with Z_FINISH, we keep * returning Z_STREAM_END instead of Z_BUF_ERROR. */ } else { if v3 = (*Tz_stream)(unsafe.Pointer(strm)).Favail_in == uint32(0); v3 { if flush > int32(4) { v1 = int32(9) } else { v1 = 0 } if old_flush > int32(4) { v2 = int32(9) } else { v2 = 0 } } if v3 && flush*int32(2)-v1 <= old_flush*int32(2)-v2 && flush != int32(m_Z_FINISH) { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = Xz_errmsg[libc.Int32FromInt32(m_Z_NEED_DICT) - -libc.Int32FromInt32(5)] return -libc.Int32FromInt32(5) } } /* User must not provide more input after the first FINISH: */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus == int32(m_FINISH_STATE) && (*Tz_stream)(unsafe.Pointer(strm)).Favail_in != uint32(0) { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = Xz_errmsg[libc.Int32FromInt32(m_Z_NEED_DICT) - -libc.Int32FromInt32(5)] return -libc.Int32FromInt32(5) } /* Write the header */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus == int32(m_INIT_STATE) && (*Tdeflate_state)(unsafe.Pointer(s)).Fwrap == 0 { (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus = int32(m_BUSY_STATE) } if (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus == int32(m_INIT_STATE) { /* zlib header */ header = (uint32(m_Z_DEFLATED) + ((*Tdeflate_state)(unsafe.Pointer(s)).Fw_bits-uint32(8))<= int32(m_Z_HUFFMAN_ONLY) || (*Tdeflate_state)(unsafe.Pointer(s)).Flevel < int32(2) { level_flags = uint32(0) } else { if (*Tdeflate_state)(unsafe.Pointer(s)).Flevel < int32(6) { level_flags = uint32(1) } else { if (*Tdeflate_state)(unsafe.Pointer(s)).Flevel == int32(6) { level_flags = uint32(2) } else { level_flags = uint32(3) } } } header |= level_flags << libc.Int32FromInt32(6) if (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart != uint32(0) { header |= uint32(m_PRESET_DICT) } header += uint32(31) - header%uint32(31) _putShortMSB(tls, s, header) /* Save the adler32 of the preset dictionary: */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart != uint32(0) { _putShortMSB(tls, s, uint32((*Tz_stream)(unsafe.Pointer(strm)).Fadler>>libc.Int32FromInt32(16))) _putShortMSB(tls, s, uint32((*Tz_stream)(unsafe.Pointer(strm)).Fadler&libc.Uint64FromInt32(0xffff))) } (*Tz_stream)(unsafe.Pointer(strm)).Fadler = Xadler32(tls, uint64(0), uintptr(m_Z_NULL), uint32(0)) (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus = int32(m_BUSY_STATE) /* Compression must start with an empty pending buffer */ _flush_pending(tls, strm) if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending != uint64(0) { (*Tdeflate_state)(unsafe.Pointer(s)).Flast_flush = -int32(1) return m_Z_OK } } if (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus == int32(m_GZIP_STATE) { /* gzip header */ (*Tz_stream)(unsafe.Pointer(strm)).Fadler = Xcrc32(tls, uint64(0), uintptr(m_Z_NULL), uint32(0)) v5 = s + 40 v4 = *(*Tulg)(unsafe.Pointer(v5)) *(*Tulg)(unsafe.Pointer(v5))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v4))) = uint8(libc.Int32FromInt32(31)) v7 = s + 40 v6 = *(*Tulg)(unsafe.Pointer(v7)) *(*Tulg)(unsafe.Pointer(v7))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v6))) = uint8(libc.Int32FromInt32(139)) v9 = s + 40 v8 = *(*Tulg)(unsafe.Pointer(v9)) *(*Tulg)(unsafe.Pointer(v9))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v8))) = uint8(libc.Int32FromInt32(8)) if (*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead == uintptr(m_Z_NULL) { v11 = s + 40 v10 = *(*Tulg)(unsafe.Pointer(v11)) *(*Tulg)(unsafe.Pointer(v11))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v10))) = uint8(libc.Int32FromInt32(0)) v13 = s + 40 v12 = *(*Tulg)(unsafe.Pointer(v13)) *(*Tulg)(unsafe.Pointer(v13))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v12))) = uint8(libc.Int32FromInt32(0)) v15 = s + 40 v14 = *(*Tulg)(unsafe.Pointer(v15)) *(*Tulg)(unsafe.Pointer(v15))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v14))) = uint8(libc.Int32FromInt32(0)) v17 = s + 40 v16 = *(*Tulg)(unsafe.Pointer(v17)) *(*Tulg)(unsafe.Pointer(v17))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v16))) = uint8(libc.Int32FromInt32(0)) v19 = s + 40 v18 = *(*Tulg)(unsafe.Pointer(v19)) *(*Tulg)(unsafe.Pointer(v19))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v18))) = uint8(libc.Int32FromInt32(0)) v21 = s + 40 v20 = *(*Tulg)(unsafe.Pointer(v21)) *(*Tulg)(unsafe.Pointer(v21))++ if (*Tdeflate_state)(unsafe.Pointer(s)).Flevel == int32(9) { v22 = int32(2) } else { if (*Tdeflate_state)(unsafe.Pointer(s)).Fstrategy >= int32(m_Z_HUFFMAN_ONLY) || (*Tdeflate_state)(unsafe.Pointer(s)).Flevel < int32(2) { v23 = int32(4) } else { v23 = 0 } v22 = v23 } *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v20))) = uint8(v22) v25 = s + 40 v24 = *(*Tulg)(unsafe.Pointer(v25)) *(*Tulg)(unsafe.Pointer(v25))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v24))) = uint8(libc.Int32FromInt32(m_OS_CODE)) (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus = int32(m_BUSY_STATE) /* Compression must start with an empty pending buffer */ _flush_pending(tls, strm) if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending != uint64(0) { (*Tdeflate_state)(unsafe.Pointer(s)).Flast_flush = -int32(1) return m_Z_OK } } else { v27 = s + 40 v26 = *(*Tulg)(unsafe.Pointer(v27)) *(*Tulg)(unsafe.Pointer(v27))++ if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Ftext != 0 { v28 = int32(1) } else { v28 = 0 } if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fhcrc != 0 { v29 = int32(2) } else { v29 = 0 } if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fextra == uintptr(m_Z_NULL) { v30 = 0 } else { v30 = int32(4) } if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fname == uintptr(m_Z_NULL) { v31 = 0 } else { v31 = int32(8) } if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fcomment == uintptr(m_Z_NULL) { v32 = 0 } else { v32 = int32(16) } *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v26))) = uint8(v28 + v29 + v30 + v31 + v32) v34 = s + 40 v33 = *(*Tulg)(unsafe.Pointer(v34)) *(*Tulg)(unsafe.Pointer(v34))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v33))) = uint8((*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Ftime & libc.Uint64FromInt32(0xff)) v36 = s + 40 v35 = *(*Tulg)(unsafe.Pointer(v36)) *(*Tulg)(unsafe.Pointer(v36))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v35))) = uint8((*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Ftime >> libc.Int32FromInt32(8) & libc.Uint64FromInt32(0xff)) v38 = s + 40 v37 = *(*Tulg)(unsafe.Pointer(v38)) *(*Tulg)(unsafe.Pointer(v38))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v37))) = uint8((*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Ftime >> libc.Int32FromInt32(16) & libc.Uint64FromInt32(0xff)) v40 = s + 40 v39 = *(*Tulg)(unsafe.Pointer(v40)) *(*Tulg)(unsafe.Pointer(v40))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v39))) = uint8((*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Ftime >> libc.Int32FromInt32(24) & libc.Uint64FromInt32(0xff)) v42 = s + 40 v41 = *(*Tulg)(unsafe.Pointer(v42)) *(*Tulg)(unsafe.Pointer(v42))++ if (*Tdeflate_state)(unsafe.Pointer(s)).Flevel == int32(9) { v43 = int32(2) } else { if (*Tdeflate_state)(unsafe.Pointer(s)).Fstrategy >= int32(m_Z_HUFFMAN_ONLY) || (*Tdeflate_state)(unsafe.Pointer(s)).Flevel < int32(2) { v44 = int32(4) } else { v44 = 0 } v43 = v44 } *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v41))) = uint8(v43) v46 = s + 40 v45 = *(*Tulg)(unsafe.Pointer(v46)) *(*Tulg)(unsafe.Pointer(v46))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v45))) = uint8((*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fos & libc.Int32FromInt32(0xff)) if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fextra != uintptr(m_Z_NULL) { v48 = s + 40 v47 = *(*Tulg)(unsafe.Pointer(v48)) *(*Tulg)(unsafe.Pointer(v48))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v47))) = uint8((*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fextra_len & libc.Uint32FromInt32(0xff)) v50 = s + 40 v49 = *(*Tulg)(unsafe.Pointer(v50)) *(*Tulg)(unsafe.Pointer(v50))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v49))) = uint8((*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fextra_len >> libc.Int32FromInt32(8) & libc.Uint32FromInt32(0xff)) } if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fhcrc != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fadler = Xcrc32(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fadler, (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf, uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fpending)) } (*Tdeflate_state)(unsafe.Pointer(s)).Fgzindex = uint64(0) (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus = int32(m_EXTRA_STATE) } } if (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus == int32(m_EXTRA_STATE) { if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fextra != uintptr(m_Z_NULL) { beg = (*Tdeflate_state)(unsafe.Pointer(s)).Fpending /* start of bytes to update crc */ left = uint32(uint64((*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fextra_len&libc.Uint32FromInt32(0xffff)) - (*Tdeflate_state)(unsafe.Pointer(s)).Fgzindex) for (*Tdeflate_state)(unsafe.Pointer(s)).Fpending+uint64(uint64(left)) > (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf_size { copy1 = uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf_size - (*Tdeflate_state)(unsafe.Pointer(s)).Fpending) libc.Xmemcpy(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fpending), (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fextra+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fgzindex), uint64(uint64(copy1))) (*Tdeflate_state)(unsafe.Pointer(s)).Fpending = (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf_size if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fhcrc != 0 && (*Tdeflate_state)(unsafe.Pointer(s)).Fpending > beg { (*Tz_stream)(unsafe.Pointer(strm)).Fadler = Xcrc32(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fadler, (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf+uintptr(beg), uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fpending-beg)) } *(*Tulg)(unsafe.Pointer(s + 64)) += uint64(uint64(copy1)) _flush_pending(tls, strm) if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending != uint64(0) { (*Tdeflate_state)(unsafe.Pointer(s)).Flast_flush = -int32(1) return m_Z_OK } beg = uint64(0) left -= copy1 } libc.Xmemcpy(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fpending), (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fextra+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fgzindex), uint64(uint64(left))) *(*Tulg)(unsafe.Pointer(s + 40)) += uint64(uint64(left)) if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fhcrc != 0 && (*Tdeflate_state)(unsafe.Pointer(s)).Fpending > beg { (*Tz_stream)(unsafe.Pointer(strm)).Fadler = Xcrc32(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fadler, (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf+uintptr(beg), uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fpending-beg)) } (*Tdeflate_state)(unsafe.Pointer(s)).Fgzindex = uint64(0) } (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus = int32(m_NAME_STATE) } if (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus == int32(m_NAME_STATE) { if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fname != uintptr(m_Z_NULL) { beg1 = (*Tdeflate_state)(unsafe.Pointer(s)).Fpending for cond := true; cond; cond = val != 0 { if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending == (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf_size { if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fhcrc != 0 && (*Tdeflate_state)(unsafe.Pointer(s)).Fpending > beg1 { (*Tz_stream)(unsafe.Pointer(strm)).Fadler = Xcrc32(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fadler, (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf+uintptr(beg1), uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fpending-beg1)) } _flush_pending(tls, strm) if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending != uint64(0) { (*Tdeflate_state)(unsafe.Pointer(s)).Flast_flush = -int32(1) return m_Z_OK } beg1 = uint64(0) } v52 = s + 64 v51 = *(*Tulg)(unsafe.Pointer(v52)) *(*Tulg)(unsafe.Pointer(v52))++ val = int32(*(*TBytef)(unsafe.Pointer((*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fname + uintptr(v51)))) v54 = s + 40 v53 = *(*Tulg)(unsafe.Pointer(v54)) *(*Tulg)(unsafe.Pointer(v54))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v53))) = uint8(val) } if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fhcrc != 0 && (*Tdeflate_state)(unsafe.Pointer(s)).Fpending > beg1 { (*Tz_stream)(unsafe.Pointer(strm)).Fadler = Xcrc32(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fadler, (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf+uintptr(beg1), uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fpending-beg1)) } (*Tdeflate_state)(unsafe.Pointer(s)).Fgzindex = uint64(0) } (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus = int32(m_COMMENT_STATE) } if (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus == int32(m_COMMENT_STATE) { if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fcomment != uintptr(m_Z_NULL) { beg2 = (*Tdeflate_state)(unsafe.Pointer(s)).Fpending for cond := true; cond; cond = val1 != 0 { if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending == (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf_size { if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fhcrc != 0 && (*Tdeflate_state)(unsafe.Pointer(s)).Fpending > beg2 { (*Tz_stream)(unsafe.Pointer(strm)).Fadler = Xcrc32(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fadler, (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf+uintptr(beg2), uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fpending-beg2)) } _flush_pending(tls, strm) if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending != uint64(0) { (*Tdeflate_state)(unsafe.Pointer(s)).Flast_flush = -int32(1) return m_Z_OK } beg2 = uint64(0) } v56 = s + 64 v55 = *(*Tulg)(unsafe.Pointer(v56)) *(*Tulg)(unsafe.Pointer(v56))++ val1 = int32(*(*TBytef)(unsafe.Pointer((*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fcomment + uintptr(v55)))) v58 = s + 40 v57 = *(*Tulg)(unsafe.Pointer(v58)) *(*Tulg)(unsafe.Pointer(v58))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v57))) = uint8(val1) } if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fhcrc != 0 && (*Tdeflate_state)(unsafe.Pointer(s)).Fpending > beg2 { (*Tz_stream)(unsafe.Pointer(strm)).Fadler = Xcrc32(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fadler, (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf+uintptr(beg2), uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fpending-beg2)) } } (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus = int32(m_HCRC_STATE) } if (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus == int32(m_HCRC_STATE) { if (*Tgz_header)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fgzhead)).Fhcrc != 0 { if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending+uint64(2) > (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf_size { _flush_pending(tls, strm) if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending != uint64(0) { (*Tdeflate_state)(unsafe.Pointer(s)).Flast_flush = -int32(1) return m_Z_OK } } v60 = s + 40 v59 = *(*Tulg)(unsafe.Pointer(v60)) *(*Tulg)(unsafe.Pointer(v60))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v59))) = uint8((*Tz_stream)(unsafe.Pointer(strm)).Fadler & libc.Uint64FromInt32(0xff)) v62 = s + 40 v61 = *(*Tulg)(unsafe.Pointer(v62)) *(*Tulg)(unsafe.Pointer(v62))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v61))) = uint8((*Tz_stream)(unsafe.Pointer(strm)).Fadler >> libc.Int32FromInt32(8) & libc.Uint64FromInt32(0xff)) (*Tz_stream)(unsafe.Pointer(strm)).Fadler = Xcrc32(tls, uint64(0), uintptr(m_Z_NULL), uint32(0)) } (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus = int32(m_BUSY_STATE) /* Compression must start with an empty pending buffer */ _flush_pending(tls, strm) if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending != uint64(0) { (*Tdeflate_state)(unsafe.Pointer(s)).Flast_flush = -int32(1) return m_Z_OK } } /* Start a new block or continue the current one. */ if (*Tz_stream)(unsafe.Pointer(strm)).Favail_in != uint32(0) || (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead != uint32(0) || flush != m_Z_NO_FLUSH && (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus != int32(m_FINISH_STATE) { if (*Tdeflate_state)(unsafe.Pointer(s)).Flevel == 0 { v63 = _deflate_stored(tls, s, flush) } else { if (*Tdeflate_state)(unsafe.Pointer(s)).Fstrategy == int32(m_Z_HUFFMAN_ONLY) { v64 = _deflate_huff(tls, s, flush) } else { if (*Tdeflate_state)(unsafe.Pointer(s)).Fstrategy == int32(m_Z_RLE) { v65 = _deflate_rle(tls, s, flush) } else { v65 = (*(*func(*libc.TLS, uintptr, int32) Tblock_state)(unsafe.Pointer(&struct{ uintptr }{_configuration_table[(*Tdeflate_state)(unsafe.Pointer(s)).Flevel].Ffunc1})))(tls, s, flush) } v64 = v65 } v63 = v64 } bstate = v63 if int32(bstate) == _finish_started || int32(bstate) == _finish_done { (*Tdeflate_state)(unsafe.Pointer(s)).Fstatus = int32(m_FINISH_STATE) } if int32(bstate) == _need_more || int32(bstate) == _finish_started { if (*Tz_stream)(unsafe.Pointer(strm)).Favail_out == uint32(0) { (*Tdeflate_state)(unsafe.Pointer(s)).Flast_flush = -int32(1) /* avoid BUF_ERROR next call, see above */ } return m_Z_OK /* If flush != Z_NO_FLUSH && avail_out == 0, the next call * of deflate should use the same flush parameter to make sure * that the flush is complete. So we don't have to output an * empty block here, this will be done at next call. This also * ensures that for a very small output buffer, we emit at most * one empty block. */ } if int32(bstate) == _block_done { if flush == int32(m_Z_PARTIAL_FLUSH) { x__tr_align(tls, s) } else { if flush != int32(m_Z_BLOCK) { /* FULL_FLUSH or SYNC_FLUSH */ x__tr_stored_block(tls, s, libc.UintptrFromInt32(0), uint64(0), 0) /* For a full flush, this empty block will be recognized * as a special marker by inflate_sync(). */ if flush == int32(m_Z_FULL_FLUSH) { *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fhash_size-uint32(1))*2)) = uint16(m_NIL) libc.Xmemset(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fhead, 0, uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fhash_size-libc.Uint32FromInt32(1))*uint64(2)) /* forget history */ if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead == uint32(0) { (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart = uint32(0) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = 0 (*Tdeflate_state)(unsafe.Pointer(s)).Finsert = uint32(0) } } } } _flush_pending(tls, strm) if (*Tz_stream)(unsafe.Pointer(strm)).Favail_out == uint32(0) { (*Tdeflate_state)(unsafe.Pointer(s)).Flast_flush = -int32(1) /* avoid BUF_ERROR at next call, see above */ return m_Z_OK } } } if flush != int32(m_Z_FINISH) { return m_Z_OK } if (*Tdeflate_state)(unsafe.Pointer(s)).Fwrap <= 0 { return int32(m_Z_STREAM_END) } /* Write the trailer */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fwrap == int32(2) { v67 = s + 40 v66 = *(*Tulg)(unsafe.Pointer(v67)) *(*Tulg)(unsafe.Pointer(v67))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v66))) = uint8((*Tz_stream)(unsafe.Pointer(strm)).Fadler & libc.Uint64FromInt32(0xff)) v69 = s + 40 v68 = *(*Tulg)(unsafe.Pointer(v69)) *(*Tulg)(unsafe.Pointer(v69))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v68))) = uint8((*Tz_stream)(unsafe.Pointer(strm)).Fadler >> libc.Int32FromInt32(8) & libc.Uint64FromInt32(0xff)) v71 = s + 40 v70 = *(*Tulg)(unsafe.Pointer(v71)) *(*Tulg)(unsafe.Pointer(v71))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v70))) = uint8((*Tz_stream)(unsafe.Pointer(strm)).Fadler >> libc.Int32FromInt32(16) & libc.Uint64FromInt32(0xff)) v73 = s + 40 v72 = *(*Tulg)(unsafe.Pointer(v73)) *(*Tulg)(unsafe.Pointer(v73))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v72))) = uint8((*Tz_stream)(unsafe.Pointer(strm)).Fadler >> libc.Int32FromInt32(24) & libc.Uint64FromInt32(0xff)) v75 = s + 40 v74 = *(*Tulg)(unsafe.Pointer(v75)) *(*Tulg)(unsafe.Pointer(v75))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v74))) = uint8((*Tz_stream)(unsafe.Pointer(strm)).Ftotal_in & libc.Uint64FromInt32(0xff)) v77 = s + 40 v76 = *(*Tulg)(unsafe.Pointer(v77)) *(*Tulg)(unsafe.Pointer(v77))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v76))) = uint8((*Tz_stream)(unsafe.Pointer(strm)).Ftotal_in >> libc.Int32FromInt32(8) & libc.Uint64FromInt32(0xff)) v79 = s + 40 v78 = *(*Tulg)(unsafe.Pointer(v79)) *(*Tulg)(unsafe.Pointer(v79))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v78))) = uint8((*Tz_stream)(unsafe.Pointer(strm)).Ftotal_in >> libc.Int32FromInt32(16) & libc.Uint64FromInt32(0xff)) v81 = s + 40 v80 = *(*Tulg)(unsafe.Pointer(v81)) *(*Tulg)(unsafe.Pointer(v81))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v80))) = uint8((*Tz_stream)(unsafe.Pointer(strm)).Ftotal_in >> libc.Int32FromInt32(24) & libc.Uint64FromInt32(0xff)) } else { _putShortMSB(tls, s, uint32((*Tz_stream)(unsafe.Pointer(strm)).Fadler>>libc.Int32FromInt32(16))) _putShortMSB(tls, s, uint32((*Tz_stream)(unsafe.Pointer(strm)).Fadler&libc.Uint64FromInt32(0xffff))) } _flush_pending(tls, strm) /* If avail_out is zero, the application will call deflate again * to flush the rest. */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fwrap > 0 { (*Tdeflate_state)(unsafe.Pointer(s)).Fwrap = -(*Tdeflate_state)(unsafe.Pointer(s)).Fwrap } /* write the trailer only once! */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending != uint64(0) { v82 = m_Z_OK } else { v82 = int32(m_Z_STREAM_END) } return v82 } // C documentation // // /* ========================================================================= */ func XdeflateEnd(tls *libc.TLS, strm Tz_streamp) (r int32) { var status, v1 int32 _, _ = status, v1 if _deflateStateCheck(tls, strm) != 0 { return -int32(2) } status = (*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fstatus /* Deallocate in reverse order of allocations: */ if (*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fpending_buf != 0 { (*(*func(*libc.TLS, Tvoidpf, Tvoidpf))(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzfree})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, (*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fpending_buf) } if (*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fhead != 0 { (*(*func(*libc.TLS, Tvoidpf, Tvoidpf))(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzfree})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, (*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fhead) } if (*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fprev != 0 { (*(*func(*libc.TLS, Tvoidpf, Tvoidpf))(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzfree})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, (*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fprev) } if (*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fwindow != 0 { (*(*func(*libc.TLS, Tvoidpf, Tvoidpf))(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzfree})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, (*Tinternal_state)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fstate)).Fwindow) } (*(*func(*libc.TLS, Tvoidpf, Tvoidpf))(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzfree})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, (*Tz_stream)(unsafe.Pointer(strm)).Fstate) (*Tz_stream)(unsafe.Pointer(strm)).Fstate = uintptr(m_Z_NULL) if status == int32(m_BUSY_STATE) { v1 = -int32(3) } else { v1 = m_Z_OK } return v1 } // C documentation // // /* ========================================================================= // * Copy the source state to the destination state. // * To simplify the source, this is not supported for 16-bit MSDOS (which // * doesn't have enough memory anyway to duplicate compression states). // */ func XdeflateCopy(tls *libc.TLS, dest Tz_streamp, source Tz_streamp) (r int32) { var ds, ss uintptr _, _ = ds, ss if _deflateStateCheck(tls, source) != 0 || dest == uintptr(m_Z_NULL) { return -int32(2) } ss = (*Tz_stream)(unsafe.Pointer(source)).Fstate libc.Xmemcpy(tls, dest, source, uint64(112)) ds = (*(*func(*libc.TLS, Tvoidpf, TuInt, TuInt) Tvoidpf)(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(dest)).Fzalloc})))(tls, (*Tz_stream)(unsafe.Pointer(dest)).Fopaque, uint32(libc.Int32FromInt32(1)), uint32(libc.Uint64FromInt64(5952))) if ds == uintptr(m_Z_NULL) { return -int32(4) } (*Tz_stream)(unsafe.Pointer(dest)).Fstate = ds libc.Xmemcpy(tls, ds, ss, uint64(5952)) (*Tdeflate_state)(unsafe.Pointer(ds)).Fstrm = dest (*Tdeflate_state)(unsafe.Pointer(ds)).Fwindow = (*(*func(*libc.TLS, Tvoidpf, TuInt, TuInt) Tvoidpf)(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(dest)).Fzalloc})))(tls, (*Tz_stream)(unsafe.Pointer(dest)).Fopaque, (*Tdeflate_state)(unsafe.Pointer(ds)).Fw_size, uint32(libc.Uint64FromInt32(2)*libc.Uint64FromInt64(1))) (*Tdeflate_state)(unsafe.Pointer(ds)).Fprev = (*(*func(*libc.TLS, Tvoidpf, TuInt, TuInt) Tvoidpf)(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(dest)).Fzalloc})))(tls, (*Tz_stream)(unsafe.Pointer(dest)).Fopaque, (*Tdeflate_state)(unsafe.Pointer(ds)).Fw_size, uint32(libc.Uint64FromInt64(2))) (*Tdeflate_state)(unsafe.Pointer(ds)).Fhead = (*(*func(*libc.TLS, Tvoidpf, TuInt, TuInt) Tvoidpf)(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(dest)).Fzalloc})))(tls, (*Tz_stream)(unsafe.Pointer(dest)).Fopaque, (*Tdeflate_state)(unsafe.Pointer(ds)).Fhash_size, uint32(libc.Uint64FromInt64(2))) (*Tdeflate_state)(unsafe.Pointer(ds)).Fpending_buf = (*(*func(*libc.TLS, Tvoidpf, TuInt, TuInt) Tvoidpf)(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(dest)).Fzalloc})))(tls, (*Tz_stream)(unsafe.Pointer(dest)).Fopaque, (*Tdeflate_state)(unsafe.Pointer(ds)).Flit_bufsize, uint32(libc.Int32FromInt32(4))) if (*Tdeflate_state)(unsafe.Pointer(ds)).Fwindow == uintptr(m_Z_NULL) || (*Tdeflate_state)(unsafe.Pointer(ds)).Fprev == uintptr(m_Z_NULL) || (*Tdeflate_state)(unsafe.Pointer(ds)).Fhead == uintptr(m_Z_NULL) || (*Tdeflate_state)(unsafe.Pointer(ds)).Fpending_buf == uintptr(m_Z_NULL) { XdeflateEnd(tls, dest) return -int32(4) } /* following zmemcpy do not work for 16-bit MSDOS */ libc.Xmemcpy(tls, (*Tdeflate_state)(unsafe.Pointer(ds)).Fwindow, (*Tdeflate_state)(unsafe.Pointer(ss)).Fwindow, uint64((*Tdeflate_state)(unsafe.Pointer(ds)).Fw_size*uint32(2))*uint64(1)) libc.Xmemcpy(tls, (*Tdeflate_state)(unsafe.Pointer(ds)).Fprev, (*Tdeflate_state)(unsafe.Pointer(ss)).Fprev, uint64((*Tdeflate_state)(unsafe.Pointer(ds)).Fw_size)*uint64(2)) libc.Xmemcpy(tls, (*Tdeflate_state)(unsafe.Pointer(ds)).Fhead, (*Tdeflate_state)(unsafe.Pointer(ss)).Fhead, uint64((*Tdeflate_state)(unsafe.Pointer(ds)).Fhash_size)*uint64(2)) libc.Xmemcpy(tls, (*Tdeflate_state)(unsafe.Pointer(ds)).Fpending_buf, (*Tdeflate_state)(unsafe.Pointer(ss)).Fpending_buf, uint64(uint32((*Tdeflate_state)(unsafe.Pointer(ds)).Fpending_buf_size))) (*Tdeflate_state)(unsafe.Pointer(ds)).Fpending_out = (*Tdeflate_state)(unsafe.Pointer(ds)).Fpending_buf + uintptr(int64((*Tdeflate_state)(unsafe.Pointer(ss)).Fpending_out)-int64((*Tdeflate_state)(unsafe.Pointer(ss)).Fpending_buf)) (*Tdeflate_state)(unsafe.Pointer(ds)).Fsym_buf = (*Tdeflate_state)(unsafe.Pointer(ds)).Fpending_buf + uintptr((*Tdeflate_state)(unsafe.Pointer(ds)).Flit_bufsize) (*Tdeflate_state)(unsafe.Pointer(ds)).Fl_desc.Fdyn_tree = ds + 212 (*Tdeflate_state)(unsafe.Pointer(ds)).Fd_desc.Fdyn_tree = ds + 2504 (*Tdeflate_state)(unsafe.Pointer(ds)).Fbl_desc.Fdyn_tree = ds + 2748 return m_Z_OK } // C documentation // // /* =========================================================================== // * Set match_start to the longest match starting at the given string and // * return its length. Matches shorter or equal to prev_length are discarded, // * in which case the result is equal to prev_length and match_start is // * garbage. // * IN assertions: cur_match is the head of the hash chain for the current // * string (strstart) and its distance is <= MAX_DIST, and prev_length >= 1 // * OUT assertion: the match length is not greater than s->lookahead. // */ func _longest_match(tls *libc.TLS, s uintptr, cur_match TIPos) (r TuInt) { var best_len, len1, nice_match int32 var chain_length, v1, v3 uint32 var limit, v2 TIPos var match, prev, scan, strend, v10, v11, v13, v14, v16, v17, v19, v20, v22, v23, v25, v26, v28, v29, v6, v8, v9 uintptr var scan_end, scan_end1 TByte var wmask TuInt var v12, v15, v18, v21, v24, v27, v30, v4, v7 bool _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = best_len, chain_length, len1, limit, match, nice_match, prev, scan, scan_end, scan_end1, strend, wmask, v1, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v2, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v3, v30, v4, v6, v7, v8, v9 chain_length = (*Tdeflate_state)(unsafe.Pointer(s)).Fmax_chain_length /* max hash chain length */ scan = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) /* length of current match */ best_len = int32((*Tdeflate_state)(unsafe.Pointer(s)).Fprev_length) /* best match length so far */ nice_match = (*Tdeflate_state)(unsafe.Pointer(s)).Fnice_match if (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart > (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size-uint32(libc.Int32FromInt32(m_MAX_MATCH)+libc.Int32FromInt32(m_MIN_MATCH)+libc.Int32FromInt32(1)) { v1 = (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart - ((*Tdeflate_state)(unsafe.Pointer(s)).Fw_size - uint32(libc.Int32FromInt32(m_MAX_MATCH)+libc.Int32FromInt32(m_MIN_MATCH)+libc.Int32FromInt32(1))) } else { v1 = uint32(m_NIL) } /* stop if match long enough */ limit = v1 /* Stop when cur_match becomes <= limit. To simplify the code, * we prevent matches with the string of window index 0. */ prev = (*Tdeflate_state)(unsafe.Pointer(s)).Fprev wmask = (*Tdeflate_state)(unsafe.Pointer(s)).Fw_mask strend = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) + uintptr(m_MAX_MATCH) scan_end1 = *(*TBytef)(unsafe.Pointer(scan + uintptr(best_len-int32(1)))) scan_end = *(*TBytef)(unsafe.Pointer(scan + uintptr(best_len))) /* The code is optimized for HASH_BITS >= 8 and MAX_MATCH-2 multiple of 16. * It is easy to get rid of this optimization if necessary. */ /* Do not waste too much time if we already have a good match: */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fprev_length >= (*Tdeflate_state)(unsafe.Pointer(s)).Fgood_match { chain_length >>= uint32(2) } /* Do not look for matches beyond the end of the input. This is necessary * to make deflate deterministic. */ if uint32(uint32(nice_match)) > (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead { nice_match = int32((*Tdeflate_state)(unsafe.Pointer(s)).Flookahead) } for { match = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(cur_match) /* Skip to next match if the match length cannot increase * or if the match length is less than 2. Note that the checks below * for insufficient lookahead only occur occasionally for performance * reasons. Therefore uninitialized memory will be accessed, and * conditional jumps will be made that depend on those values. * However the length of the match is limited to the lookahead, so * the output of deflate is not affected by the uninitialized values. */ if v7 = int32(*(*TBytef)(unsafe.Pointer(match + uintptr(best_len)))) != int32(int32(scan_end)) || int32(*(*TBytef)(unsafe.Pointer(match + uintptr(best_len-int32(1))))) != int32(int32(scan_end1)) || int32(*(*TBytef)(unsafe.Pointer(match))) != int32(*(*TBytef)(unsafe.Pointer(scan))); !v7 { match++ v6 = match } if v7 || int32(*(*TBytef)(unsafe.Pointer(v6))) != int32(*(*TBytef)(unsafe.Pointer(scan + 1))) { goto _5 } /* The check at best_len - 1 can be removed because it will be made * again later. (This heuristic is not always a win.) * It is not necessary to compare scan[2] and match[2] since they * are always equal when the other bytes match, given that * the hash keys are equal and that HASH_BITS >= 8. */ scan += uintptr(2) /* The check at best_len - 1 can be removed because it will be made * again later. (This heuristic is not always a win.) * It is not necessary to compare scan[2] and match[2] since they * are always equal when the other bytes match, given that * the hash keys are equal and that HASH_BITS >= 8. */ match++ /* We check for insufficient lookahead only every 8th comparison; * the 256th check will be made at strstart + 258. */ for { goto _31 _31: scan++ v8 = scan match++ v9 = match if v12 = int32(*(*TBytef)(unsafe.Pointer(v8))) == int32(*(*TBytef)(unsafe.Pointer(v9))); v12 { scan++ v10 = scan match++ v11 = match } if v15 = v12 && int32(*(*TBytef)(unsafe.Pointer(v10))) == int32(*(*TBytef)(unsafe.Pointer(v11))); v15 { scan++ v13 = scan match++ v14 = match } if v18 = v15 && int32(*(*TBytef)(unsafe.Pointer(v13))) == int32(*(*TBytef)(unsafe.Pointer(v14))); v18 { scan++ v16 = scan match++ v17 = match } if v21 = v18 && int32(*(*TBytef)(unsafe.Pointer(v16))) == int32(*(*TBytef)(unsafe.Pointer(v17))); v21 { scan++ v19 = scan match++ v20 = match } if v24 = v21 && int32(*(*TBytef)(unsafe.Pointer(v19))) == int32(*(*TBytef)(unsafe.Pointer(v20))); v24 { scan++ v22 = scan match++ v23 = match } if v27 = v24 && int32(*(*TBytef)(unsafe.Pointer(v22))) == int32(*(*TBytef)(unsafe.Pointer(v23))); v27 { scan++ v25 = scan match++ v26 = match } if v30 = v27 && int32(*(*TBytef)(unsafe.Pointer(v25))) == int32(*(*TBytef)(unsafe.Pointer(v26))); v30 { scan++ v28 = scan match++ v29 = match } if !(v30 && int32(*(*TBytef)(unsafe.Pointer(v28))) == int32(*(*TBytef)(unsafe.Pointer(v29))) && scan < strend) { break } } len1 = int32(m_MAX_MATCH) - int32(int64(int64(strend))-int64(int64(scan))) scan = strend - uintptr(m_MAX_MATCH) if len1 > best_len { (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_start = cur_match best_len = len1 if len1 >= nice_match { break } scan_end1 = *(*TBytef)(unsafe.Pointer(scan + uintptr(best_len-int32(1)))) scan_end = *(*TBytef)(unsafe.Pointer(scan + uintptr(best_len))) } goto _5 _5: v2 = uint32(*(*TPosf)(unsafe.Pointer(prev + uintptr(cur_match&wmask)*2))) cur_match = v2 if v4 = v2 > limit; v4 { chain_length-- v3 = chain_length } if !(v4 && v3 != uint32(0)) { break } } if uint32(uint32(best_len)) <= (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead { return uint32(uint32(best_len)) } return (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead } /* =========================================================================== * Flush the current block, with given end-of-file flag. * IN assertion: strstart is set to the end of the current match. */ /* Same but force premature exit if necessary. */ /* Maximum stored block length in deflate format (not including header). */ /* Minimum of a and b. */ // C documentation // // /* =========================================================================== // * Copy without compression as much as possible from the input stream, return // * the current block state. // * // * In case deflateParams() is used to later switch to a non-zero compression // * level, s->matches (otherwise unused when storing) keeps track of the number // * of hash table slides to perform. If s->matches is 1, then one hash table // * slide will be done when switching. If s->matches is 2, the maximum value // * allowed here, then the hash table will be cleared, since two or more slides // * is the same as a clear. // * // * deflate_stored() is written to minimize the number of times an input byte is // * copied. It is most efficient with large input and output buffers, which // * maximizes the opportunities to have a single copy from next_in to next_out. // */ func _deflate_stored(tls *libc.TLS, s uintptr, flush int32) (r Tblock_state) { var have, last, left, len1, min_block, used, v3, v4, v6, v7 uint32 var v1, v5 uint64 var v2, v8, v9 int32 _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = have, last, left, len1, min_block, used, v1, v2, v3, v4, v5, v6, v7, v8, v9 if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf_size-uint64(5) > uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fw_size) { v1 = uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fw_size) } else { v1 = (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf_size - uint64(5) } /* Smallest worthy block size when not flushing or finishing. By default * this is 32K. This can be as small as 507 bytes for memLevel == 1. For * large input and output buffers, the stored block size will be larger. */ min_block = uint32(v1) last = uint32(0) used = (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_in for cond := true; cond; cond = last == uint32(0) { /* Set len to the maximum size block that we can copy directly with the * available input data and output space. Set left to how much of that * would be copied from what's left in the window. */ len1 = uint32(m_MAX_STORED) /* maximum deflate stored block length */ have = uint32(((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid + int32(42)) >> int32(3)) /* number of header bytes */ if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out < have { /* need room for header */ break } /* maximum stored block length that will fit in avail_out: */ have = (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out - have left = uint32(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) - (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start) /* bytes left in window */ if uint64(uint64(len1)) > uint64(uint64(left))+uint64((*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_in) { len1 = left + (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_in } /* limit len to the input */ if len1 > have { len1 = have } /* limit len to the output */ /* If the stored block would be less than min_block in length, or if * unable to copy all of the available input when flushing, then try * copying to the window and the pending buffer instead. Also don't * write an empty block when flushing -- deflate() does that. */ if len1 < min_block && (len1 == uint32(0) && flush != int32(m_Z_FINISH) || flush == m_Z_NO_FLUSH || len1 != left+(*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_in) { break } /* Make a dummy stored block in pending to get the header bytes, * including any pending bits. This also updates the debugging counts. */ if flush == int32(m_Z_FINISH) && len1 == left+(*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_in { v2 = int32(1) } else { v2 = 0 } last = uint32(v2) x__tr_stored_block(tls, s, libc.UintptrFromInt32(0), uint64(0), int32(int32(last))) /* Replace the lengths in the dummy stored block with len. */ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fpending-uint64(4)))) = uint8(uint8(len1)) *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fpending-uint64(3)))) = uint8(len1 >> int32(8)) *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fpending-uint64(2)))) = uint8(^len1) *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fpending-uint64(1)))) = uint8(^len1 >> int32(8)) /* Write the stored block header bytes. */ _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) /* Copy uncompressed bytes from the window to next_out. */ if left != 0 { if left > len1 { left = len1 } libc.Xmemcpy(tls, (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Fnext_out, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), uint64(uint64(left))) *(*uintptr)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm + 24)) += uintptr(left) *(*TuInt)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm + 32)) -= left *(*TuLong)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm + 40)) += uint64(uint64(left)) *(*int64)(unsafe.Pointer(s + 152)) += int64(int64(left)) len1 -= left } /* Copy uncompressed bytes directly from next_in to next_out, updating * the check value. */ if len1 != 0 { _read_buf(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm, (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Fnext_out, len1) *(*uintptr)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm + 24)) += uintptr(len1) *(*TuInt)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm + 32)) -= len1 *(*TuLong)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm + 40)) += uint64(uint64(len1)) } } /* Update the sliding window with the last s->w_size bytes of the copied * data, or append all of the copied data to the existing window if less * than s->w_size bytes were copied. Also update the number of bytes to * insert in the hash tables, in the event that deflateParams() switches to * a non-zero compression level. */ used -= (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_in /* number of input bytes directly copied */ if used != 0 { /* If any input was used, then no unused input remains in the window, * therefore s->block_start == s->strstart. */ if used >= (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size { /* supplant the previous history */ (*Tdeflate_state)(unsafe.Pointer(s)).Fmatches = uint32(2) /* clear hash */ libc.Xmemcpy(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow, (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Fnext_in-uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fw_size), uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fw_size)) (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart = (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size (*Tdeflate_state)(unsafe.Pointer(s)).Finsert = (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart } else { if (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow_size-uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) <= uint64(uint64(used)) { /* Slide the window down. */ *(*TuInt)(unsafe.Pointer(s + 172)) -= (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size libc.Xmemcpy(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fw_size), uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)) if (*Tdeflate_state)(unsafe.Pointer(s)).Fmatches < uint32(2) { (*Tdeflate_state)(unsafe.Pointer(s)).Fmatches++ } /* add a pending slide_hash() */ if (*Tdeflate_state)(unsafe.Pointer(s)).Finsert > (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart { (*Tdeflate_state)(unsafe.Pointer(s)).Finsert = (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart } } libc.Xmemcpy(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart), (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Fnext_in-uintptr(used), uint64(uint64(used))) *(*TuInt)(unsafe.Pointer(s + 172)) += used if used > (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size-(*Tdeflate_state)(unsafe.Pointer(s)).Finsert { v3 = (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size - (*Tdeflate_state)(unsafe.Pointer(s)).Finsert } else { v3 = used } *(*TuInt)(unsafe.Pointer(s + 5932)) += v3 } (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) } if (*Tdeflate_state)(unsafe.Pointer(s)).Fhigh_water < uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) { (*Tdeflate_state)(unsafe.Pointer(s)).Fhigh_water = uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) } /* If the last block was written to next_out, then done. */ if last != 0 { return _finish_done } /* If flushing and all input has been consumed, then done. */ if flush != m_Z_NO_FLUSH && flush != int32(m_Z_FINISH) && (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_in == uint32(0) && int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) == (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start { return _block_done } /* Fill the window with any remaining input. */ have = uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow_size - uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)) if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_in > have && (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start >= int64((*Tdeflate_state)(unsafe.Pointer(s)).Fw_size) { /* Slide the window down. */ *(*int64)(unsafe.Pointer(s + 152)) -= int64((*Tdeflate_state)(unsafe.Pointer(s)).Fw_size) *(*TuInt)(unsafe.Pointer(s + 172)) -= (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size libc.Xmemcpy(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fw_size), uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)) if (*Tdeflate_state)(unsafe.Pointer(s)).Fmatches < uint32(2) { (*Tdeflate_state)(unsafe.Pointer(s)).Fmatches++ } /* add a pending slide_hash() */ have += (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size /* more space now */ if (*Tdeflate_state)(unsafe.Pointer(s)).Finsert > (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart { (*Tdeflate_state)(unsafe.Pointer(s)).Finsert = (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart } } if have > (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_in { have = (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_in } if have != 0 { _read_buf(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart), have) *(*TuInt)(unsafe.Pointer(s + 172)) += have if have > (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size-(*Tdeflate_state)(unsafe.Pointer(s)).Finsert { v4 = (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size - (*Tdeflate_state)(unsafe.Pointer(s)).Finsert } else { v4 = have } *(*TuInt)(unsafe.Pointer(s + 5932)) += v4 } if (*Tdeflate_state)(unsafe.Pointer(s)).Fhigh_water < uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) { (*Tdeflate_state)(unsafe.Pointer(s)).Fhigh_water = uint64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) } /* There was not enough avail_out to write a complete worthy or flushed * stored block to next_out. Write a stored block to pending instead, if we * have enough input for a worthy block, or if flushing and there is enough * room for the remaining input as a stored block in the pending buffer. */ have = uint32(((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid + int32(42)) >> int32(3)) /* number of header bytes */ /* maximum stored block length that will fit in pending: */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf_size-uint64(uint64(have)) > uint64(libc.Int32FromInt32(m_MAX_STORED)) { v5 = uint64(libc.Int32FromInt32(m_MAX_STORED)) } else { v5 = (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf_size - uint64(uint64(have)) } have = uint32(v5) if have > (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size { v6 = (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size } else { v6 = have } min_block = v6 left = uint32(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) - (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start) if left >= min_block || (left != 0 || flush == int32(m_Z_FINISH)) && flush != m_Z_NO_FLUSH && (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_in == uint32(0) && left <= have { if left > have { v7 = have } else { v7 = left } len1 = v7 if flush == int32(m_Z_FINISH) && (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_in == uint32(0) && len1 == left { v8 = int32(1) } else { v8 = 0 } last = uint32(v8) x__tr_stored_block(tls, s, (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), uint64(uint64(len1)), int32(int32(last))) *(*int64)(unsafe.Pointer(s + 152)) += int64(int64(len1)) _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) } /* We've done all we can with the available input and output. */ if last != 0 { v9 = _finish_started } else { v9 = _need_more } return v9 } // C documentation // // /* =========================================================================== // * Compress as much as possible from the input stream, return the current // * block state. // * This function does not perform lazy evaluation of matches and inserts // * new strings in the dictionary only for unmatched strings or for short // * matches. It is used only for the fast compression options. // */ func _deflate_fast(tls *libc.TLS, s uintptr, flush int32) (r Tblock_state) { var bflush, v9 int32 var cc, len1 Tuch var dist Tush var hash_head TIPos var v10, v14, v16, v18, v3, v5, v7 TuInt var v11, v15, v17, v19, v20, v22, v23, v4, v6, v8 uintptr var v13, v2 TPosf var v21 uint32 _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = bflush, cc, dist, hash_head, len1, v10, v11, v13, v14, v15, v16, v17, v18, v19, v2, v20, v21, v22, v23, v3, v4, v5, v6, v7, v8, v9 /* set if current block must be flushed */ for { /* Make sure that we always have enough lookahead, except * at the end of the input file. We need MAX_MATCH bytes * for the next match, plus MIN_MATCH bytes to insert the * string following the next match. */ if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead < uint32(libc.Int32FromInt32(m_MAX_MATCH)+libc.Int32FromInt32(m_MIN_MATCH)+libc.Int32FromInt32(1)) { _fill_window(tls, s) if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead < uint32(libc.Int32FromInt32(m_MAX_MATCH)+libc.Int32FromInt32(m_MIN_MATCH)+libc.Int32FromInt32(1)) && flush == m_Z_NO_FLUSH { return _need_more } if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead == uint32(0) { break } /* flush the current block */ } /* Insert the string window[strstart .. strstart + 2] in the * dictionary, and set hash_head to the head of the hash chain: */ hash_head = uint32(m_NIL) if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead >= uint32(m_MIN_MATCH) { (*Tdeflate_state)(unsafe.Pointer(s)).Fins_h = ((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h<<(*Tdeflate_state)(unsafe.Pointer(s)).Fhash_shift ^ uint32(*(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart+uint32(libc.Int32FromInt32(m_MIN_MATCH)-libc.Int32FromInt32(1))))))) & (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_mask v2 = *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h)*2)) *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fprev + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart&(*Tdeflate_state)(unsafe.Pointer(s)).Fw_mask)*2)) = v2 hash_head = uint32(v2) *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h)*2)) = uint16((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) } /* Find the longest match, discarding those <= prev_length. * At this point we have always match_length < MIN_MATCH */ if hash_head != uint32(m_NIL) && (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart-hash_head <= (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size-uint32(libc.Int32FromInt32(m_MAX_MATCH)+libc.Int32FromInt32(m_MIN_MATCH)+libc.Int32FromInt32(1)) { /* To simplify the code, we prevent matches with the string * of window index 0 (in particular we have to avoid a match * of the string with itself at the start of the input file). */ (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length = _longest_match(tls, s, hash_head) /* longest_match() sets match_start */ } if (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length >= uint32(m_MIN_MATCH) { len1 = uint8((*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length - libc.Uint32FromInt32(m_MIN_MATCH)) dist = uint16((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart - (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_start) v4 = s + 5900 v3 = *(*TuInt)(unsafe.Pointer(v4)) *(*TuInt)(unsafe.Pointer(v4))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v3))) = uint8(uint8(dist)) v6 = s + 5900 v5 = *(*TuInt)(unsafe.Pointer(v6)) *(*TuInt)(unsafe.Pointer(v6))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v5))) = uint8(int32(int32(dist)) >> libc.Int32FromInt32(8)) v8 = s + 5900 v7 = *(*TuInt)(unsafe.Pointer(v8)) *(*TuInt)(unsafe.Pointer(v8))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v7))) = len1 dist-- *(*Tush)(unsafe.Pointer(s + 212 + uintptr(int32(x__length_code[len1])+int32(m_LITERALS)+int32(1))*4))++ if int32(dist) < int32(256) { v9 = int32(x__dist_code[dist]) } else { v9 = int32(x__dist_code[int32(256)+int32(dist)>>int32(7)]) } *(*Tush)(unsafe.Pointer(s + 2504 + uintptr(v9)*4))++ bflush = libc.BoolInt32((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next == (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_end) *(*TuInt)(unsafe.Pointer(s + 180)) -= (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length /* Insert new strings in the hash table only if the match length * is not too large. This saves time but degrades compression. */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length <= (*Tdeflate_state)(unsafe.Pointer(s)).Fmax_lazy_match && (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead >= uint32(m_MIN_MATCH) { (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length-- /* string at strstart already in table */ for { (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart++ (*Tdeflate_state)(unsafe.Pointer(s)).Fins_h = ((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h<<(*Tdeflate_state)(unsafe.Pointer(s)).Fhash_shift ^ uint32(*(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart+uint32(libc.Int32FromInt32(m_MIN_MATCH)-libc.Int32FromInt32(1))))))) & (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_mask v13 = *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h)*2)) *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fprev + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart&(*Tdeflate_state)(unsafe.Pointer(s)).Fw_mask)*2)) = v13 hash_head = uint32(v13) *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h)*2)) = uint16((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) /* strstart never exceeds WSIZE-MAX_MATCH, so there are * always MIN_MATCH bytes ahead. */ goto _12 _12: v11 = s + 160 *(*TuInt)(unsafe.Pointer(v11))-- v10 = *(*TuInt)(unsafe.Pointer(v11)) if !(v10 != uint32(0)) { break } } (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart++ } else { *(*TuInt)(unsafe.Pointer(s + 172)) += (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length = uint32(0) (*Tdeflate_state)(unsafe.Pointer(s)).Fins_h = uint32(*(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)))) (*Tdeflate_state)(unsafe.Pointer(s)).Fins_h = ((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h<<(*Tdeflate_state)(unsafe.Pointer(s)).Fhash_shift ^ uint32(*(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart+uint32(1)))))) & (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_mask /* If lookahead < MIN_MATCH, ins_h is garbage, but it does not * matter since it will be recomputed at next deflate call. */ } } else { /* No match, output a literal byte */ cc = *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart))) v15 = s + 5900 v14 = *(*TuInt)(unsafe.Pointer(v15)) *(*TuInt)(unsafe.Pointer(v15))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v14))) = uint8(0) v17 = s + 5900 v16 = *(*TuInt)(unsafe.Pointer(v17)) *(*TuInt)(unsafe.Pointer(v17))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v16))) = uint8(0) v19 = s + 5900 v18 = *(*TuInt)(unsafe.Pointer(v19)) *(*TuInt)(unsafe.Pointer(v19))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v18))) = cc *(*Tush)(unsafe.Pointer(s + 212 + uintptr(cc)*4))++ bflush = libc.BoolInt32((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next == (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_end) (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead-- (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart++ } if bflush != 0 { if (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start >= 0 { v20 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start)) } else { v20 = libc.UintptrFromInt32(m_Z_NULL) } x__tr_flush_block(tls, s, v20, uint64(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)-(*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), 0) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out == uint32(0) { return _need_more } } goto _1 _1: } if (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart < uint32(libc.Int32FromInt32(m_MIN_MATCH)-libc.Int32FromInt32(1)) { v21 = (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart } else { v21 = uint32(libc.Int32FromInt32(m_MIN_MATCH) - libc.Int32FromInt32(1)) } (*Tdeflate_state)(unsafe.Pointer(s)).Finsert = v21 if flush == int32(m_Z_FINISH) { if (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start >= 0 { v22 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start)) } else { v22 = libc.UintptrFromInt32(m_Z_NULL) } x__tr_flush_block(tls, s, v22, uint64(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)-(*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), int32(1)) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out == uint32(0) { return _finish_started } return _finish_done } if (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next != 0 { if (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start >= 0 { v23 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start)) } else { v23 = libc.UintptrFromInt32(m_Z_NULL) } x__tr_flush_block(tls, s, v23, uint64(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)-(*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), 0) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out == uint32(0) { return _need_more } } return _block_done } // C documentation // // /* =========================================================================== // * Same as above, but achieves better compression. We use a lazy // * evaluation for matches: a match is finally adopted only if there is // * no better match at the next window position. // */ func _deflate_slow(tls *libc.TLS, s uintptr, flush int32) (r Tblock_state) { var bflush, v9 int32 var cc, cc1, len1 Tuch var dist Tush var hash_head TIPos var max_insert, v10, v13, v17, v19, v21, v24, v26, v28, v3, v5, v7 TuInt var v11, v14, v16, v18, v20, v22, v23, v25, v27, v29, v31, v32, v4, v6, v8 uintptr var v15, v2 TPosf var v30 uint32 _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = bflush, cc, cc1, dist, hash_head, len1, max_insert, v10, v11, v13, v14, v15, v16, v17, v18, v19, v2, v20, v21, v22, v23, v24, v25, v26, v27, v28, v29, v3, v30, v31, v32, v4, v5, v6, v7, v8, v9 /* set if current block must be flushed */ /* Process the input block. */ for { /* Make sure that we always have enough lookahead, except * at the end of the input file. We need MAX_MATCH bytes * for the next match, plus MIN_MATCH bytes to insert the * string following the next match. */ if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead < uint32(libc.Int32FromInt32(m_MAX_MATCH)+libc.Int32FromInt32(m_MIN_MATCH)+libc.Int32FromInt32(1)) { _fill_window(tls, s) if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead < uint32(libc.Int32FromInt32(m_MAX_MATCH)+libc.Int32FromInt32(m_MIN_MATCH)+libc.Int32FromInt32(1)) && flush == m_Z_NO_FLUSH { return _need_more } if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead == uint32(0) { break } /* flush the current block */ } /* Insert the string window[strstart .. strstart + 2] in the * dictionary, and set hash_head to the head of the hash chain: */ hash_head = uint32(m_NIL) if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead >= uint32(m_MIN_MATCH) { (*Tdeflate_state)(unsafe.Pointer(s)).Fins_h = ((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h<<(*Tdeflate_state)(unsafe.Pointer(s)).Fhash_shift ^ uint32(*(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart+uint32(libc.Int32FromInt32(m_MIN_MATCH)-libc.Int32FromInt32(1))))))) & (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_mask v2 = *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h)*2)) *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fprev + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart&(*Tdeflate_state)(unsafe.Pointer(s)).Fw_mask)*2)) = v2 hash_head = uint32(v2) *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h)*2)) = uint16((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) } /* Find the longest match, discarding those <= prev_length. */ (*Tdeflate_state)(unsafe.Pointer(s)).Fprev_length = (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length /* Find the longest match, discarding those <= prev_length. */ (*Tdeflate_state)(unsafe.Pointer(s)).Fprev_match = (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_start (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length = uint32(libc.Int32FromInt32(m_MIN_MATCH) - libc.Int32FromInt32(1)) if hash_head != uint32(m_NIL) && (*Tdeflate_state)(unsafe.Pointer(s)).Fprev_length < (*Tdeflate_state)(unsafe.Pointer(s)).Fmax_lazy_match && (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart-hash_head <= (*Tdeflate_state)(unsafe.Pointer(s)).Fw_size-uint32(libc.Int32FromInt32(m_MAX_MATCH)+libc.Int32FromInt32(m_MIN_MATCH)+libc.Int32FromInt32(1)) { /* To simplify the code, we prevent matches with the string * of window index 0 (in particular we have to avoid a match * of the string with itself at the start of the input file). */ (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length = _longest_match(tls, s, hash_head) /* longest_match() sets match_start */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length <= uint32(5) && ((*Tdeflate_state)(unsafe.Pointer(s)).Fstrategy == int32(m_Z_FILTERED) || (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length == uint32(m_MIN_MATCH) && (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart-(*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_start > uint32(m_TOO_FAR)) { /* If prev_match is also MIN_MATCH, match_start is garbage * but we will ignore the current match anyway. */ (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length = uint32(libc.Int32FromInt32(m_MIN_MATCH) - libc.Int32FromInt32(1)) } } /* If there was a match at the previous step and the current * match is not better, output the previous match: */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fprev_length >= uint32(m_MIN_MATCH) && (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length <= (*Tdeflate_state)(unsafe.Pointer(s)).Fprev_length { max_insert = (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart + (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead - uint32(m_MIN_MATCH) /* Do not insert strings in hash table beyond this. */ len1 = uint8((*Tdeflate_state)(unsafe.Pointer(s)).Fprev_length - libc.Uint32FromInt32(m_MIN_MATCH)) dist = uint16((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart - libc.Uint32FromInt32(1) - (*Tdeflate_state)(unsafe.Pointer(s)).Fprev_match) v4 = s + 5900 v3 = *(*TuInt)(unsafe.Pointer(v4)) *(*TuInt)(unsafe.Pointer(v4))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v3))) = uint8(uint8(dist)) v6 = s + 5900 v5 = *(*TuInt)(unsafe.Pointer(v6)) *(*TuInt)(unsafe.Pointer(v6))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v5))) = uint8(int32(int32(dist)) >> libc.Int32FromInt32(8)) v8 = s + 5900 v7 = *(*TuInt)(unsafe.Pointer(v8)) *(*TuInt)(unsafe.Pointer(v8))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v7))) = len1 dist-- *(*Tush)(unsafe.Pointer(s + 212 + uintptr(int32(x__length_code[len1])+int32(m_LITERALS)+int32(1))*4))++ if int32(dist) < int32(256) { v9 = int32(x__dist_code[dist]) } else { v9 = int32(x__dist_code[int32(256)+int32(dist)>>int32(7)]) } *(*Tush)(unsafe.Pointer(s + 2504 + uintptr(v9)*4))++ bflush = libc.BoolInt32((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next == (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_end) /* Insert in hash table all strings up to the end of the match. * strstart - 1 and strstart are already inserted. If there is not * enough lookahead, the last two strings are not inserted in * the hash table. */ *(*TuInt)(unsafe.Pointer(s + 180)) -= (*Tdeflate_state)(unsafe.Pointer(s)).Fprev_length - uint32(1) *(*TuInt)(unsafe.Pointer(s + 184)) -= uint32(2) for { v14 = s + 172 *(*TuInt)(unsafe.Pointer(v14))++ v13 = *(*TuInt)(unsafe.Pointer(v14)) if v13 <= max_insert { (*Tdeflate_state)(unsafe.Pointer(s)).Fins_h = ((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h<<(*Tdeflate_state)(unsafe.Pointer(s)).Fhash_shift ^ uint32(*(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart+uint32(libc.Int32FromInt32(m_MIN_MATCH)-libc.Int32FromInt32(1))))))) & (*Tdeflate_state)(unsafe.Pointer(s)).Fhash_mask v15 = *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h)*2)) *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fprev + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart&(*Tdeflate_state)(unsafe.Pointer(s)).Fw_mask)*2)) = v15 hash_head = uint32(v15) *(*TPosf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fhead + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fins_h)*2)) = uint16((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) } goto _12 _12: v11 = s + 184 *(*TuInt)(unsafe.Pointer(v11))-- v10 = *(*TuInt)(unsafe.Pointer(v11)) if !(v10 != uint32(0)) { break } } (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_available = 0 (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length = uint32(libc.Int32FromInt32(m_MIN_MATCH) - libc.Int32FromInt32(1)) (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart++ if bflush != 0 { if (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start >= 0 { v16 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start)) } else { v16 = libc.UintptrFromInt32(m_Z_NULL) } x__tr_flush_block(tls, s, v16, uint64(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)-(*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), 0) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out == uint32(0) { return _need_more } } } else { if (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_available != 0 { /* If there was no match at the previous position, output a * single literal. If there was a match but the current match * is longer, truncate the previous match to a single literal. */ cc = *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart-uint32(1)))) v18 = s + 5900 v17 = *(*TuInt)(unsafe.Pointer(v18)) *(*TuInt)(unsafe.Pointer(v18))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v17))) = uint8(0) v20 = s + 5900 v19 = *(*TuInt)(unsafe.Pointer(v20)) *(*TuInt)(unsafe.Pointer(v20))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v19))) = uint8(0) v22 = s + 5900 v21 = *(*TuInt)(unsafe.Pointer(v22)) *(*TuInt)(unsafe.Pointer(v22))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v21))) = cc *(*Tush)(unsafe.Pointer(s + 212 + uintptr(cc)*4))++ bflush = libc.BoolInt32((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next == (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_end) if bflush != 0 { if (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start >= 0 { v23 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start)) } else { v23 = libc.UintptrFromInt32(m_Z_NULL) } x__tr_flush_block(tls, s, v23, uint64(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)-(*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), 0) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) } (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart++ (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead-- if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out == uint32(0) { return _need_more } } else { /* There is no previous match to compare with, wait for * the next step to decide. */ (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_available = int32(1) (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart++ (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead-- } } goto _1 _1: } if (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_available != 0 { cc1 = *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart-uint32(1)))) v25 = s + 5900 v24 = *(*TuInt)(unsafe.Pointer(v25)) *(*TuInt)(unsafe.Pointer(v25))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v24))) = uint8(0) v27 = s + 5900 v26 = *(*TuInt)(unsafe.Pointer(v27)) *(*TuInt)(unsafe.Pointer(v27))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v26))) = uint8(0) v29 = s + 5900 v28 = *(*TuInt)(unsafe.Pointer(v29)) *(*TuInt)(unsafe.Pointer(v29))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v28))) = cc1 *(*Tush)(unsafe.Pointer(s + 212 + uintptr(cc1)*4))++ bflush = libc.BoolInt32((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next == (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_end) (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_available = 0 } if (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart < uint32(libc.Int32FromInt32(m_MIN_MATCH)-libc.Int32FromInt32(1)) { v30 = (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart } else { v30 = uint32(libc.Int32FromInt32(m_MIN_MATCH) - libc.Int32FromInt32(1)) } (*Tdeflate_state)(unsafe.Pointer(s)).Finsert = v30 if flush == int32(m_Z_FINISH) { if (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start >= 0 { v31 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start)) } else { v31 = libc.UintptrFromInt32(m_Z_NULL) } x__tr_flush_block(tls, s, v31, uint64(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)-(*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), int32(1)) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out == uint32(0) { return _finish_started } return _finish_done } if (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next != 0 { if (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start >= 0 { v32 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start)) } else { v32 = libc.UintptrFromInt32(m_Z_NULL) } x__tr_flush_block(tls, s, v32, uint64(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)-(*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), 0) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out == uint32(0) { return _need_more } } return _block_done } // C documentation // // /* =========================================================================== // * For Z_RLE, simply look for runs of bytes, generate matches only of distance // * one. Do not maintain a hash table. (It will be regenerated if this run of // * deflate switches away from Z_RLE.) // */ func _deflate_rle(tls *libc.TLS, s uintptr, flush int32) (r Tblock_state) { var bflush, v29 int32 var cc, len1 Tuch var dist Tush var prev, v23, v25, v27, v30, v32, v34 TuInt var scan, strend, v10, v12, v14, v16, v18, v2, v20, v24, v26, v28, v3, v31, v33, v35, v36, v37, v38, v5, v7, v8 uintptr var v11, v13, v15, v17, v19, v21, v4, v6, v9 bool _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = bflush, cc, dist, len1, prev, scan, strend, v10, v11, v12, v13, v14, v15, v16, v17, v18, v19, v2, v20, v21, v23, v24, v25, v26, v27, v28, v29, v3, v30, v31, v32, v33, v34, v35, v36, v37, v38, v4, v5, v6, v7, v8, v9 /* scan goes up to strend for length of run */ for { /* Make sure that we always have enough lookahead, except * at the end of the input file. We need MAX_MATCH bytes * for the longest run, plus one for the unrolled loop. */ if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead <= uint32(m_MAX_MATCH) { _fill_window(tls, s) if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead <= uint32(m_MAX_MATCH) && flush == m_Z_NO_FLUSH { return _need_more } if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead == uint32(0) { break } /* flush the current block */ } /* See how many times the previous byte repeats */ (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length = uint32(0) if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead >= uint32(m_MIN_MATCH) && (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart > uint32(0) { scan = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) - uintptr(1) prev = uint32(*(*TBytef)(unsafe.Pointer(scan))) scan++ v2 = scan if v4 = prev == uint32(*(*TBytef)(unsafe.Pointer(v2))); v4 { scan++ v3 = scan } if v6 = v4 && prev == uint32(*(*TBytef)(unsafe.Pointer(v3))); v6 { scan++ v5 = scan } if v6 && prev == uint32(*(*TBytef)(unsafe.Pointer(v5))) { strend = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) + uintptr(m_MAX_MATCH) for { goto _22 _22: scan++ v7 = scan if v9 = prev == uint32(*(*TBytef)(unsafe.Pointer(v7))); v9 { scan++ v8 = scan } if v11 = v9 && prev == uint32(*(*TBytef)(unsafe.Pointer(v8))); v11 { scan++ v10 = scan } if v13 = v11 && prev == uint32(*(*TBytef)(unsafe.Pointer(v10))); v13 { scan++ v12 = scan } if v15 = v13 && prev == uint32(*(*TBytef)(unsafe.Pointer(v12))); v15 { scan++ v14 = scan } if v17 = v15 && prev == uint32(*(*TBytef)(unsafe.Pointer(v14))); v17 { scan++ v16 = scan } if v19 = v17 && prev == uint32(*(*TBytef)(unsafe.Pointer(v16))); v19 { scan++ v18 = scan } if v21 = v19 && prev == uint32(*(*TBytef)(unsafe.Pointer(v18))); v21 { scan++ v20 = scan } if !(v21 && prev == uint32(*(*TBytef)(unsafe.Pointer(v20))) && scan < strend) { break } } (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length = uint32(m_MAX_MATCH) - uint32(int64(int64(strend))-int64(int64(scan))) if (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length > (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead { (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length = (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead } } } /* Emit match if have run of MIN_MATCH or longer, else emit literal */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length >= uint32(m_MIN_MATCH) { len1 = uint8((*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length - libc.Uint32FromInt32(m_MIN_MATCH)) dist = uint16(libc.Int32FromInt32(1)) v24 = s + 5900 v23 = *(*TuInt)(unsafe.Pointer(v24)) *(*TuInt)(unsafe.Pointer(v24))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v23))) = uint8(uint8(dist)) v26 = s + 5900 v25 = *(*TuInt)(unsafe.Pointer(v26)) *(*TuInt)(unsafe.Pointer(v26))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v25))) = uint8(int32(int32(dist)) >> libc.Int32FromInt32(8)) v28 = s + 5900 v27 = *(*TuInt)(unsafe.Pointer(v28)) *(*TuInt)(unsafe.Pointer(v28))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v27))) = len1 dist-- *(*Tush)(unsafe.Pointer(s + 212 + uintptr(int32(x__length_code[len1])+int32(m_LITERALS)+int32(1))*4))++ if int32(dist) < int32(256) { v29 = int32(x__dist_code[dist]) } else { v29 = int32(x__dist_code[int32(256)+int32(dist)>>int32(7)]) } *(*Tush)(unsafe.Pointer(s + 2504 + uintptr(v29)*4))++ bflush = libc.BoolInt32((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next == (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_end) *(*TuInt)(unsafe.Pointer(s + 180)) -= (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length *(*TuInt)(unsafe.Pointer(s + 172)) += (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length = uint32(0) } else { /* No match, output a literal byte */ cc = *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart))) v31 = s + 5900 v30 = *(*TuInt)(unsafe.Pointer(v31)) *(*TuInt)(unsafe.Pointer(v31))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v30))) = uint8(0) v33 = s + 5900 v32 = *(*TuInt)(unsafe.Pointer(v33)) *(*TuInt)(unsafe.Pointer(v33))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v32))) = uint8(0) v35 = s + 5900 v34 = *(*TuInt)(unsafe.Pointer(v35)) *(*TuInt)(unsafe.Pointer(v35))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v34))) = cc *(*Tush)(unsafe.Pointer(s + 212 + uintptr(cc)*4))++ bflush = libc.BoolInt32((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next == (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_end) (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead-- (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart++ } if bflush != 0 { if (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start >= 0 { v36 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start)) } else { v36 = libc.UintptrFromInt32(m_Z_NULL) } x__tr_flush_block(tls, s, v36, uint64(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)-(*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), 0) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out == uint32(0) { return _need_more } } goto _1 _1: } (*Tdeflate_state)(unsafe.Pointer(s)).Finsert = uint32(0) if flush == int32(m_Z_FINISH) { if (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start >= 0 { v37 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start)) } else { v37 = libc.UintptrFromInt32(m_Z_NULL) } x__tr_flush_block(tls, s, v37, uint64(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)-(*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), int32(1)) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out == uint32(0) { return _finish_started } return _finish_done } if (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next != 0 { if (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start >= 0 { v38 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start)) } else { v38 = libc.UintptrFromInt32(m_Z_NULL) } x__tr_flush_block(tls, s, v38, uint64(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)-(*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), 0) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out == uint32(0) { return _need_more } } return _block_done } // C documentation // // /* =========================================================================== // * For Z_HUFFMAN_ONLY, do not look for matches. Do not maintain a hash table. // * (It will be regenerated if this run of deflate switches away from Huffman.) // */ func _deflate_huff(tls *libc.TLS, s uintptr, flush int32) (r Tblock_state) { var bflush int32 var cc Tuch var v10, v3, v5, v7, v8, v9 uintptr var v2, v4, v6 TuInt _, _, _, _, _, _, _, _, _, _, _ = bflush, cc, v10, v2, v3, v4, v5, v6, v7, v8, v9 /* set if current block must be flushed */ for { /* Make sure that we have a literal to write. */ if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead == uint32(0) { _fill_window(tls, s) if (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead == uint32(0) { if flush == m_Z_NO_FLUSH { return _need_more } break /* flush the current block */ } } /* Output a literal byte */ (*Tdeflate_state)(unsafe.Pointer(s)).Fmatch_length = uint32(0) cc = *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart))) v3 = s + 5900 v2 = *(*TuInt)(unsafe.Pointer(v3)) *(*TuInt)(unsafe.Pointer(v3))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v2))) = uint8(0) v5 = s + 5900 v4 = *(*TuInt)(unsafe.Pointer(v5)) *(*TuInt)(unsafe.Pointer(v5))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v4))) = uint8(0) v7 = s + 5900 v6 = *(*TuInt)(unsafe.Pointer(v7)) *(*TuInt)(unsafe.Pointer(v7))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v6))) = cc *(*Tush)(unsafe.Pointer(s + 212 + uintptr(cc)*4))++ bflush = libc.BoolInt32((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next == (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_end) (*Tdeflate_state)(unsafe.Pointer(s)).Flookahead-- (*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart++ if bflush != 0 { if (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start >= 0 { v8 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start)) } else { v8 = libc.UintptrFromInt32(m_Z_NULL) } x__tr_flush_block(tls, s, v8, uint64(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)-(*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), 0) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out == uint32(0) { return _need_more } } goto _1 _1: } (*Tdeflate_state)(unsafe.Pointer(s)).Finsert = uint32(0) if flush == int32(m_Z_FINISH) { if (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start >= 0 { v9 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start)) } else { v9 = libc.UintptrFromInt32(m_Z_NULL) } x__tr_flush_block(tls, s, v9, uint64(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)-(*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), int32(1)) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out == uint32(0) { return _finish_started } return _finish_done } if (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next != 0 { if (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start >= 0 { v10 = (*Tdeflate_state)(unsafe.Pointer(s)).Fwindow + uintptr(uint32((*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start)) } else { v10 = libc.UintptrFromInt32(m_Z_NULL) } x__tr_flush_block(tls, s, v10, uint64(int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart)-(*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start), 0) (*Tdeflate_state)(unsafe.Pointer(s)).Fblock_start = int64((*Tdeflate_state)(unsafe.Pointer(s)).Fstrstart) _flush_pending(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fstrm) if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Favail_out == uint32(0) { return _need_more } } return _block_done } const m_ENOUGH_DISTS = 592 const m_ENOUGH_LENS = 852 type Tcode = struct { Fop uint8 Fbits uint8 Fval uint16 } type Tcodetype = int32 const _CODES = 0 const _LENS = 1 const _DISTS = 2 type Tinflate_mode = int32 const _HEAD = 16180 const _FLAGS = 16181 const _TIME = 16182 const _OS = 16183 const _EXLEN = 16184 const _EXTRA = 16185 const _NAME = 16186 const _COMMENT = 16187 const _HCRC = 16188 const _DICTID = 16189 const _DICT = 16190 const _TYPE = 16191 const _TYPEDO = 16192 const _STORED = 16193 const _COPY_ = 16194 const _COPY = 16195 const _TABLE = 16196 const _LENLENS = 16197 const _CODELENS = 16198 const _LEN_ = 16199 const _LEN = 16200 const _LENEXT = 16201 const _DIST = 16202 const _DISTEXT = 16203 const _MATCH = 16204 const _LIT = 16205 const _CHECK = 16206 const _LENGTH = 16207 const _DONE = 16208 const _BAD = 16209 const _MEM = 16210 const _SYNC = 16211 type Tinflate_state = struct { Fstrm Tz_streamp Fmode Tinflate_mode Flast int32 Fwrap int32 Fhavedict int32 Fflags int32 Fdmax uint32 Fcheck uint64 Ftotal uint64 Fhead Tgz_headerp Fwbits uint32 Fwsize uint32 Fwhave uint32 Fwnext uint32 Fwindow uintptr Fhold uint64 Fbits uint32 Flength uint32 Foffset uint32 Fextra uint32 Flencode uintptr Fdistcode uintptr Flenbits uint32 Fdistbits uint32 Fncode uint32 Fnlen uint32 Fndist uint32 Fhave uint32 Fnext uintptr Flens [320]uint16 Fwork [288]uint16 Fcodes [1444]Tcode Fsane int32 Fback int32 Fwas uint32 } // C documentation // // /* // strm provides memory allocation functions in zalloc and zfree, or // Z_NULL to use the library memory allocation functions. // // windowBits is in the range 8..15, and window is a user-supplied // window and output buffer that is 2**windowBits bytes. // */ func XinflateBackInit_(tls *libc.TLS, strm Tz_streamp, windowBits int32, window uintptr, version uintptr, stream_size int32) (r int32) { var state uintptr _ = state if version == uintptr(m_Z_NULL) || int32(*(*int8)(unsafe.Pointer(version))) != int32(*(*int8)(unsafe.Pointer(__ccgo_ts))) || stream_size != int32(libc.Uint64FromInt64(112)) { return -int32(6) } if strm == uintptr(m_Z_NULL) || window == uintptr(m_Z_NULL) || windowBits < int32(8) || windowBits > int32(15) { return -int32(2) } (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = uintptr(m_Z_NULL) /* in case we return an error */ if (*Tz_stream)(unsafe.Pointer(strm)).Fzalloc == libc.UintptrFromInt32(0) { (*Tz_stream)(unsafe.Pointer(strm)).Fzalloc = __ccgo_fp(Xzcalloc) (*Tz_stream)(unsafe.Pointer(strm)).Fopaque = libc.UintptrFromInt32(0) } if (*Tz_stream)(unsafe.Pointer(strm)).Fzfree == libc.UintptrFromInt32(0) { (*Tz_stream)(unsafe.Pointer(strm)).Fzfree = __ccgo_fp(Xzcfree) } state = (*(*func(*libc.TLS, Tvoidpf, TuInt, TuInt) Tvoidpf)(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzalloc})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, uint32(libc.Int32FromInt32(1)), uint32(libc.Uint64FromInt64(7160))) if state == uintptr(m_Z_NULL) { return -int32(4) } (*Tz_stream)(unsafe.Pointer(strm)).Fstate = state (*Tinflate_state)(unsafe.Pointer(state)).Fdmax = uint32(32768) (*Tinflate_state)(unsafe.Pointer(state)).Fwbits = uint32(uint32(windowBits)) (*Tinflate_state)(unsafe.Pointer(state)).Fwsize = uint32(1) << windowBits (*Tinflate_state)(unsafe.Pointer(state)).Fwindow = window (*Tinflate_state)(unsafe.Pointer(state)).Fwnext = uint32(0) (*Tinflate_state)(unsafe.Pointer(state)).Fwhave = uint32(0) (*Tinflate_state)(unsafe.Pointer(state)).Fsane = int32(1) return m_Z_OK } // C documentation // // /* // Return state with length and distance decoding tables and index sizes set to // fixed code decoding. Normally this returns fixed tables from inffixed.h. // If BUILDFIXED is defined, then instead this routine builds the tables the // first time it's called, and returns those tables the first time and // thereafter. This reduces the size of the code by about 2K bytes, in // exchange for a little execution time. However, BUILDFIXED should not be // used for threaded applications, since the rewriting of the tables and virgin // may not be thread-safe. // */ func _fixedtables(tls *libc.TLS, state uintptr) { (*Tinflate_state)(unsafe.Pointer(state)).Flencode = uintptr(unsafe.Pointer(&_lenfix)) (*Tinflate_state)(unsafe.Pointer(state)).Flenbits = uint32(9) (*Tinflate_state)(unsafe.Pointer(state)).Fdistcode = uintptr(unsafe.Pointer(&_distfix)) (*Tinflate_state)(unsafe.Pointer(state)).Fdistbits = uint32(5) } var _lenfix = [512]Tcode{ 0: { Fop: uint8(96), Fbits: uint8(7), }, 1: { Fbits: uint8(8), Fval: uint16(80), }, 2: { Fbits: uint8(8), Fval: uint16(16), }, 3: { Fop: uint8(20), Fbits: uint8(8), Fval: uint16(115), }, 4: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(31), }, 5: { Fbits: uint8(8), Fval: uint16(112), }, 6: { Fbits: uint8(8), Fval: uint16(48), }, 7: { Fbits: uint8(9), Fval: uint16(192), }, 8: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(10), }, 9: { Fbits: uint8(8), Fval: uint16(96), }, 10: { Fbits: uint8(8), Fval: uint16(32), }, 11: { Fbits: uint8(9), Fval: uint16(160), }, 12: { Fbits: uint8(8), }, 13: { Fbits: uint8(8), Fval: uint16(128), }, 14: { Fbits: uint8(8), Fval: uint16(64), }, 15: { Fbits: uint8(9), Fval: uint16(224), }, 16: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(6), }, 17: { Fbits: uint8(8), Fval: uint16(88), }, 18: { Fbits: uint8(8), Fval: uint16(24), }, 19: { Fbits: uint8(9), Fval: uint16(144), }, 20: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(59), }, 21: { Fbits: uint8(8), Fval: uint16(120), }, 22: { Fbits: uint8(8), Fval: uint16(56), }, 23: { Fbits: uint8(9), Fval: uint16(208), }, 24: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(17), }, 25: { Fbits: uint8(8), Fval: uint16(104), }, 26: { Fbits: uint8(8), Fval: uint16(40), }, 27: { Fbits: uint8(9), Fval: uint16(176), }, 28: { Fbits: uint8(8), Fval: uint16(8), }, 29: { Fbits: uint8(8), Fval: uint16(136), }, 30: { Fbits: uint8(8), Fval: uint16(72), }, 31: { Fbits: uint8(9), Fval: uint16(240), }, 32: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(4), }, 33: { Fbits: uint8(8), Fval: uint16(84), }, 34: { Fbits: uint8(8), Fval: uint16(20), }, 35: { Fop: uint8(21), Fbits: uint8(8), Fval: uint16(227), }, 36: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(43), }, 37: { Fbits: uint8(8), Fval: uint16(116), }, 38: { Fbits: uint8(8), Fval: uint16(52), }, 39: { Fbits: uint8(9), Fval: uint16(200), }, 40: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(13), }, 41: { Fbits: uint8(8), Fval: uint16(100), }, 42: { Fbits: uint8(8), Fval: uint16(36), }, 43: { Fbits: uint8(9), Fval: uint16(168), }, 44: { Fbits: uint8(8), Fval: uint16(4), }, 45: { Fbits: uint8(8), Fval: uint16(132), }, 46: { Fbits: uint8(8), Fval: uint16(68), }, 47: { Fbits: uint8(9), Fval: uint16(232), }, 48: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(8), }, 49: { Fbits: uint8(8), Fval: uint16(92), }, 50: { Fbits: uint8(8), Fval: uint16(28), }, 51: { Fbits: uint8(9), Fval: uint16(152), }, 52: { Fop: uint8(20), Fbits: uint8(7), Fval: uint16(83), }, 53: { Fbits: uint8(8), Fval: uint16(124), }, 54: { Fbits: uint8(8), Fval: uint16(60), }, 55: { Fbits: uint8(9), Fval: uint16(216), }, 56: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(23), }, 57: { Fbits: uint8(8), Fval: uint16(108), }, 58: { Fbits: uint8(8), Fval: uint16(44), }, 59: { Fbits: uint8(9), Fval: uint16(184), }, 60: { Fbits: uint8(8), Fval: uint16(12), }, 61: { Fbits: uint8(8), Fval: uint16(140), }, 62: { Fbits: uint8(8), Fval: uint16(76), }, 63: { Fbits: uint8(9), Fval: uint16(248), }, 64: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(3), }, 65: { Fbits: uint8(8), Fval: uint16(82), }, 66: { Fbits: uint8(8), Fval: uint16(18), }, 67: { Fop: uint8(21), Fbits: uint8(8), Fval: uint16(163), }, 68: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(35), }, 69: { Fbits: uint8(8), Fval: uint16(114), }, 70: { Fbits: uint8(8), Fval: uint16(50), }, 71: { Fbits: uint8(9), Fval: uint16(196), }, 72: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(11), }, 73: { Fbits: uint8(8), Fval: uint16(98), }, 74: { Fbits: uint8(8), Fval: uint16(34), }, 75: { Fbits: uint8(9), Fval: uint16(164), }, 76: { Fbits: uint8(8), Fval: uint16(2), }, 77: { Fbits: uint8(8), Fval: uint16(130), }, 78: { Fbits: uint8(8), Fval: uint16(66), }, 79: { Fbits: uint8(9), Fval: uint16(228), }, 80: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(7), }, 81: { Fbits: uint8(8), Fval: uint16(90), }, 82: { Fbits: uint8(8), Fval: uint16(26), }, 83: { Fbits: uint8(9), Fval: uint16(148), }, 84: { Fop: uint8(20), Fbits: uint8(7), Fval: uint16(67), }, 85: { Fbits: uint8(8), Fval: uint16(122), }, 86: { Fbits: uint8(8), Fval: uint16(58), }, 87: { Fbits: uint8(9), Fval: uint16(212), }, 88: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(19), }, 89: { Fbits: uint8(8), Fval: uint16(106), }, 90: { Fbits: uint8(8), Fval: uint16(42), }, 91: { Fbits: uint8(9), Fval: uint16(180), }, 92: { Fbits: uint8(8), Fval: uint16(10), }, 93: { Fbits: uint8(8), Fval: uint16(138), }, 94: { Fbits: uint8(8), Fval: uint16(74), }, 95: { Fbits: uint8(9), Fval: uint16(244), }, 96: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(5), }, 97: { Fbits: uint8(8), Fval: uint16(86), }, 98: { Fbits: uint8(8), Fval: uint16(22), }, 99: { Fop: uint8(64), Fbits: uint8(8), }, 100: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(51), }, 101: { Fbits: uint8(8), Fval: uint16(118), }, 102: { Fbits: uint8(8), Fval: uint16(54), }, 103: { Fbits: uint8(9), Fval: uint16(204), }, 104: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(15), }, 105: { Fbits: uint8(8), Fval: uint16(102), }, 106: { Fbits: uint8(8), Fval: uint16(38), }, 107: { Fbits: uint8(9), Fval: uint16(172), }, 108: { Fbits: uint8(8), Fval: uint16(6), }, 109: { Fbits: uint8(8), Fval: uint16(134), }, 110: { Fbits: uint8(8), Fval: uint16(70), }, 111: { Fbits: uint8(9), Fval: uint16(236), }, 112: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(9), }, 113: { Fbits: uint8(8), Fval: uint16(94), }, 114: { Fbits: uint8(8), Fval: uint16(30), }, 115: { Fbits: uint8(9), Fval: uint16(156), }, 116: { Fop: uint8(20), Fbits: uint8(7), Fval: uint16(99), }, 117: { Fbits: uint8(8), Fval: uint16(126), }, 118: { Fbits: uint8(8), Fval: uint16(62), }, 119: { Fbits: uint8(9), Fval: uint16(220), }, 120: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(27), }, 121: { Fbits: uint8(8), Fval: uint16(110), }, 122: { Fbits: uint8(8), Fval: uint16(46), }, 123: { Fbits: uint8(9), Fval: uint16(188), }, 124: { Fbits: uint8(8), Fval: uint16(14), }, 125: { Fbits: uint8(8), Fval: uint16(142), }, 126: { Fbits: uint8(8), Fval: uint16(78), }, 127: { Fbits: uint8(9), Fval: uint16(252), }, 128: { Fop: uint8(96), Fbits: uint8(7), }, 129: { Fbits: uint8(8), Fval: uint16(81), }, 130: { Fbits: uint8(8), Fval: uint16(17), }, 131: { Fop: uint8(21), Fbits: uint8(8), Fval: uint16(131), }, 132: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(31), }, 133: { Fbits: uint8(8), Fval: uint16(113), }, 134: { Fbits: uint8(8), Fval: uint16(49), }, 135: { Fbits: uint8(9), Fval: uint16(194), }, 136: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(10), }, 137: { Fbits: uint8(8), Fval: uint16(97), }, 138: { Fbits: uint8(8), Fval: uint16(33), }, 139: { Fbits: uint8(9), Fval: uint16(162), }, 140: { Fbits: uint8(8), Fval: uint16(1), }, 141: { Fbits: uint8(8), Fval: uint16(129), }, 142: { Fbits: uint8(8), Fval: uint16(65), }, 143: { Fbits: uint8(9), Fval: uint16(226), }, 144: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(6), }, 145: { Fbits: uint8(8), Fval: uint16(89), }, 146: { Fbits: uint8(8), Fval: uint16(25), }, 147: { Fbits: uint8(9), Fval: uint16(146), }, 148: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(59), }, 149: { Fbits: uint8(8), Fval: uint16(121), }, 150: { Fbits: uint8(8), Fval: uint16(57), }, 151: { Fbits: uint8(9), Fval: uint16(210), }, 152: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(17), }, 153: { Fbits: uint8(8), Fval: uint16(105), }, 154: { Fbits: uint8(8), Fval: uint16(41), }, 155: { Fbits: uint8(9), Fval: uint16(178), }, 156: { Fbits: uint8(8), Fval: uint16(9), }, 157: { Fbits: uint8(8), Fval: uint16(137), }, 158: { Fbits: uint8(8), Fval: uint16(73), }, 159: { Fbits: uint8(9), Fval: uint16(242), }, 160: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(4), }, 161: { Fbits: uint8(8), Fval: uint16(85), }, 162: { Fbits: uint8(8), Fval: uint16(21), }, 163: { Fop: uint8(16), Fbits: uint8(8), Fval: uint16(258), }, 164: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(43), }, 165: { Fbits: uint8(8), Fval: uint16(117), }, 166: { Fbits: uint8(8), Fval: uint16(53), }, 167: { Fbits: uint8(9), Fval: uint16(202), }, 168: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(13), }, 169: { Fbits: uint8(8), Fval: uint16(101), }, 170: { Fbits: uint8(8), Fval: uint16(37), }, 171: { Fbits: uint8(9), Fval: uint16(170), }, 172: { Fbits: uint8(8), Fval: uint16(5), }, 173: { Fbits: uint8(8), Fval: uint16(133), }, 174: { Fbits: uint8(8), Fval: uint16(69), }, 175: { Fbits: uint8(9), Fval: uint16(234), }, 176: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(8), }, 177: { Fbits: uint8(8), Fval: uint16(93), }, 178: { Fbits: uint8(8), Fval: uint16(29), }, 179: { Fbits: uint8(9), Fval: uint16(154), }, 180: { Fop: uint8(20), Fbits: uint8(7), Fval: uint16(83), }, 181: { Fbits: uint8(8), Fval: uint16(125), }, 182: { Fbits: uint8(8), Fval: uint16(61), }, 183: { Fbits: uint8(9), Fval: uint16(218), }, 184: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(23), }, 185: { Fbits: uint8(8), Fval: uint16(109), }, 186: { Fbits: uint8(8), Fval: uint16(45), }, 187: { Fbits: uint8(9), Fval: uint16(186), }, 188: { Fbits: uint8(8), Fval: uint16(13), }, 189: { Fbits: uint8(8), Fval: uint16(141), }, 190: { Fbits: uint8(8), Fval: uint16(77), }, 191: { Fbits: uint8(9), Fval: uint16(250), }, 192: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(3), }, 193: { Fbits: uint8(8), Fval: uint16(83), }, 194: { Fbits: uint8(8), Fval: uint16(19), }, 195: { Fop: uint8(21), Fbits: uint8(8), Fval: uint16(195), }, 196: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(35), }, 197: { Fbits: uint8(8), Fval: uint16(115), }, 198: { Fbits: uint8(8), Fval: uint16(51), }, 199: { Fbits: uint8(9), Fval: uint16(198), }, 200: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(11), }, 201: { Fbits: uint8(8), Fval: uint16(99), }, 202: { Fbits: uint8(8), Fval: uint16(35), }, 203: { Fbits: uint8(9), Fval: uint16(166), }, 204: { Fbits: uint8(8), Fval: uint16(3), }, 205: { Fbits: uint8(8), Fval: uint16(131), }, 206: { Fbits: uint8(8), Fval: uint16(67), }, 207: { Fbits: uint8(9), Fval: uint16(230), }, 208: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(7), }, 209: { Fbits: uint8(8), Fval: uint16(91), }, 210: { Fbits: uint8(8), Fval: uint16(27), }, 211: { Fbits: uint8(9), Fval: uint16(150), }, 212: { Fop: uint8(20), Fbits: uint8(7), Fval: uint16(67), }, 213: { Fbits: uint8(8), Fval: uint16(123), }, 214: { Fbits: uint8(8), Fval: uint16(59), }, 215: { Fbits: uint8(9), Fval: uint16(214), }, 216: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(19), }, 217: { Fbits: uint8(8), Fval: uint16(107), }, 218: { Fbits: uint8(8), Fval: uint16(43), }, 219: { Fbits: uint8(9), Fval: uint16(182), }, 220: { Fbits: uint8(8), Fval: uint16(11), }, 221: { Fbits: uint8(8), Fval: uint16(139), }, 222: { Fbits: uint8(8), Fval: uint16(75), }, 223: { Fbits: uint8(9), Fval: uint16(246), }, 224: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(5), }, 225: { Fbits: uint8(8), Fval: uint16(87), }, 226: { Fbits: uint8(8), Fval: uint16(23), }, 227: { Fop: uint8(64), Fbits: uint8(8), }, 228: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(51), }, 229: { Fbits: uint8(8), Fval: uint16(119), }, 230: { Fbits: uint8(8), Fval: uint16(55), }, 231: { Fbits: uint8(9), Fval: uint16(206), }, 232: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(15), }, 233: { Fbits: uint8(8), Fval: uint16(103), }, 234: { Fbits: uint8(8), Fval: uint16(39), }, 235: { Fbits: uint8(9), Fval: uint16(174), }, 236: { Fbits: uint8(8), Fval: uint16(7), }, 237: { Fbits: uint8(8), Fval: uint16(135), }, 238: { Fbits: uint8(8), Fval: uint16(71), }, 239: { Fbits: uint8(9), Fval: uint16(238), }, 240: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(9), }, 241: { Fbits: uint8(8), Fval: uint16(95), }, 242: { Fbits: uint8(8), Fval: uint16(31), }, 243: { Fbits: uint8(9), Fval: uint16(158), }, 244: { Fop: uint8(20), Fbits: uint8(7), Fval: uint16(99), }, 245: { Fbits: uint8(8), Fval: uint16(127), }, 246: { Fbits: uint8(8), Fval: uint16(63), }, 247: { Fbits: uint8(9), Fval: uint16(222), }, 248: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(27), }, 249: { Fbits: uint8(8), Fval: uint16(111), }, 250: { Fbits: uint8(8), Fval: uint16(47), }, 251: { Fbits: uint8(9), Fval: uint16(190), }, 252: { Fbits: uint8(8), Fval: uint16(15), }, 253: { Fbits: uint8(8), Fval: uint16(143), }, 254: { Fbits: uint8(8), Fval: uint16(79), }, 255: { Fbits: uint8(9), Fval: uint16(254), }, 256: { Fop: uint8(96), Fbits: uint8(7), }, 257: { Fbits: uint8(8), Fval: uint16(80), }, 258: { Fbits: uint8(8), Fval: uint16(16), }, 259: { Fop: uint8(20), Fbits: uint8(8), Fval: uint16(115), }, 260: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(31), }, 261: { Fbits: uint8(8), Fval: uint16(112), }, 262: { Fbits: uint8(8), Fval: uint16(48), }, 263: { Fbits: uint8(9), Fval: uint16(193), }, 264: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(10), }, 265: { Fbits: uint8(8), Fval: uint16(96), }, 266: { Fbits: uint8(8), Fval: uint16(32), }, 267: { Fbits: uint8(9), Fval: uint16(161), }, 268: { Fbits: uint8(8), }, 269: { Fbits: uint8(8), Fval: uint16(128), }, 270: { Fbits: uint8(8), Fval: uint16(64), }, 271: { Fbits: uint8(9), Fval: uint16(225), }, 272: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(6), }, 273: { Fbits: uint8(8), Fval: uint16(88), }, 274: { Fbits: uint8(8), Fval: uint16(24), }, 275: { Fbits: uint8(9), Fval: uint16(145), }, 276: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(59), }, 277: { Fbits: uint8(8), Fval: uint16(120), }, 278: { Fbits: uint8(8), Fval: uint16(56), }, 279: { Fbits: uint8(9), Fval: uint16(209), }, 280: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(17), }, 281: { Fbits: uint8(8), Fval: uint16(104), }, 282: { Fbits: uint8(8), Fval: uint16(40), }, 283: { Fbits: uint8(9), Fval: uint16(177), }, 284: { Fbits: uint8(8), Fval: uint16(8), }, 285: { Fbits: uint8(8), Fval: uint16(136), }, 286: { Fbits: uint8(8), Fval: uint16(72), }, 287: { Fbits: uint8(9), Fval: uint16(241), }, 288: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(4), }, 289: { Fbits: uint8(8), Fval: uint16(84), }, 290: { Fbits: uint8(8), Fval: uint16(20), }, 291: { Fop: uint8(21), Fbits: uint8(8), Fval: uint16(227), }, 292: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(43), }, 293: { Fbits: uint8(8), Fval: uint16(116), }, 294: { Fbits: uint8(8), Fval: uint16(52), }, 295: { Fbits: uint8(9), Fval: uint16(201), }, 296: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(13), }, 297: { Fbits: uint8(8), Fval: uint16(100), }, 298: { Fbits: uint8(8), Fval: uint16(36), }, 299: { Fbits: uint8(9), Fval: uint16(169), }, 300: { Fbits: uint8(8), Fval: uint16(4), }, 301: { Fbits: uint8(8), Fval: uint16(132), }, 302: { Fbits: uint8(8), Fval: uint16(68), }, 303: { Fbits: uint8(9), Fval: uint16(233), }, 304: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(8), }, 305: { Fbits: uint8(8), Fval: uint16(92), }, 306: { Fbits: uint8(8), Fval: uint16(28), }, 307: { Fbits: uint8(9), Fval: uint16(153), }, 308: { Fop: uint8(20), Fbits: uint8(7), Fval: uint16(83), }, 309: { Fbits: uint8(8), Fval: uint16(124), }, 310: { Fbits: uint8(8), Fval: uint16(60), }, 311: { Fbits: uint8(9), Fval: uint16(217), }, 312: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(23), }, 313: { Fbits: uint8(8), Fval: uint16(108), }, 314: { Fbits: uint8(8), Fval: uint16(44), }, 315: { Fbits: uint8(9), Fval: uint16(185), }, 316: { Fbits: uint8(8), Fval: uint16(12), }, 317: { Fbits: uint8(8), Fval: uint16(140), }, 318: { Fbits: uint8(8), Fval: uint16(76), }, 319: { Fbits: uint8(9), Fval: uint16(249), }, 320: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(3), }, 321: { Fbits: uint8(8), Fval: uint16(82), }, 322: { Fbits: uint8(8), Fval: uint16(18), }, 323: { Fop: uint8(21), Fbits: uint8(8), Fval: uint16(163), }, 324: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(35), }, 325: { Fbits: uint8(8), Fval: uint16(114), }, 326: { Fbits: uint8(8), Fval: uint16(50), }, 327: { Fbits: uint8(9), Fval: uint16(197), }, 328: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(11), }, 329: { Fbits: uint8(8), Fval: uint16(98), }, 330: { Fbits: uint8(8), Fval: uint16(34), }, 331: { Fbits: uint8(9), Fval: uint16(165), }, 332: { Fbits: uint8(8), Fval: uint16(2), }, 333: { Fbits: uint8(8), Fval: uint16(130), }, 334: { Fbits: uint8(8), Fval: uint16(66), }, 335: { Fbits: uint8(9), Fval: uint16(229), }, 336: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(7), }, 337: { Fbits: uint8(8), Fval: uint16(90), }, 338: { Fbits: uint8(8), Fval: uint16(26), }, 339: { Fbits: uint8(9), Fval: uint16(149), }, 340: { Fop: uint8(20), Fbits: uint8(7), Fval: uint16(67), }, 341: { Fbits: uint8(8), Fval: uint16(122), }, 342: { Fbits: uint8(8), Fval: uint16(58), }, 343: { Fbits: uint8(9), Fval: uint16(213), }, 344: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(19), }, 345: { Fbits: uint8(8), Fval: uint16(106), }, 346: { Fbits: uint8(8), Fval: uint16(42), }, 347: { Fbits: uint8(9), Fval: uint16(181), }, 348: { Fbits: uint8(8), Fval: uint16(10), }, 349: { Fbits: uint8(8), Fval: uint16(138), }, 350: { Fbits: uint8(8), Fval: uint16(74), }, 351: { Fbits: uint8(9), Fval: uint16(245), }, 352: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(5), }, 353: { Fbits: uint8(8), Fval: uint16(86), }, 354: { Fbits: uint8(8), Fval: uint16(22), }, 355: { Fop: uint8(64), Fbits: uint8(8), }, 356: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(51), }, 357: { Fbits: uint8(8), Fval: uint16(118), }, 358: { Fbits: uint8(8), Fval: uint16(54), }, 359: { Fbits: uint8(9), Fval: uint16(205), }, 360: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(15), }, 361: { Fbits: uint8(8), Fval: uint16(102), }, 362: { Fbits: uint8(8), Fval: uint16(38), }, 363: { Fbits: uint8(9), Fval: uint16(173), }, 364: { Fbits: uint8(8), Fval: uint16(6), }, 365: { Fbits: uint8(8), Fval: uint16(134), }, 366: { Fbits: uint8(8), Fval: uint16(70), }, 367: { Fbits: uint8(9), Fval: uint16(237), }, 368: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(9), }, 369: { Fbits: uint8(8), Fval: uint16(94), }, 370: { Fbits: uint8(8), Fval: uint16(30), }, 371: { Fbits: uint8(9), Fval: uint16(157), }, 372: { Fop: uint8(20), Fbits: uint8(7), Fval: uint16(99), }, 373: { Fbits: uint8(8), Fval: uint16(126), }, 374: { Fbits: uint8(8), Fval: uint16(62), }, 375: { Fbits: uint8(9), Fval: uint16(221), }, 376: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(27), }, 377: { Fbits: uint8(8), Fval: uint16(110), }, 378: { Fbits: uint8(8), Fval: uint16(46), }, 379: { Fbits: uint8(9), Fval: uint16(189), }, 380: { Fbits: uint8(8), Fval: uint16(14), }, 381: { Fbits: uint8(8), Fval: uint16(142), }, 382: { Fbits: uint8(8), Fval: uint16(78), }, 383: { Fbits: uint8(9), Fval: uint16(253), }, 384: { Fop: uint8(96), Fbits: uint8(7), }, 385: { Fbits: uint8(8), Fval: uint16(81), }, 386: { Fbits: uint8(8), Fval: uint16(17), }, 387: { Fop: uint8(21), Fbits: uint8(8), Fval: uint16(131), }, 388: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(31), }, 389: { Fbits: uint8(8), Fval: uint16(113), }, 390: { Fbits: uint8(8), Fval: uint16(49), }, 391: { Fbits: uint8(9), Fval: uint16(195), }, 392: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(10), }, 393: { Fbits: uint8(8), Fval: uint16(97), }, 394: { Fbits: uint8(8), Fval: uint16(33), }, 395: { Fbits: uint8(9), Fval: uint16(163), }, 396: { Fbits: uint8(8), Fval: uint16(1), }, 397: { Fbits: uint8(8), Fval: uint16(129), }, 398: { Fbits: uint8(8), Fval: uint16(65), }, 399: { Fbits: uint8(9), Fval: uint16(227), }, 400: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(6), }, 401: { Fbits: uint8(8), Fval: uint16(89), }, 402: { Fbits: uint8(8), Fval: uint16(25), }, 403: { Fbits: uint8(9), Fval: uint16(147), }, 404: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(59), }, 405: { Fbits: uint8(8), Fval: uint16(121), }, 406: { Fbits: uint8(8), Fval: uint16(57), }, 407: { Fbits: uint8(9), Fval: uint16(211), }, 408: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(17), }, 409: { Fbits: uint8(8), Fval: uint16(105), }, 410: { Fbits: uint8(8), Fval: uint16(41), }, 411: { Fbits: uint8(9), Fval: uint16(179), }, 412: { Fbits: uint8(8), Fval: uint16(9), }, 413: { Fbits: uint8(8), Fval: uint16(137), }, 414: { Fbits: uint8(8), Fval: uint16(73), }, 415: { Fbits: uint8(9), Fval: uint16(243), }, 416: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(4), }, 417: { Fbits: uint8(8), Fval: uint16(85), }, 418: { Fbits: uint8(8), Fval: uint16(21), }, 419: { Fop: uint8(16), Fbits: uint8(8), Fval: uint16(258), }, 420: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(43), }, 421: { Fbits: uint8(8), Fval: uint16(117), }, 422: { Fbits: uint8(8), Fval: uint16(53), }, 423: { Fbits: uint8(9), Fval: uint16(203), }, 424: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(13), }, 425: { Fbits: uint8(8), Fval: uint16(101), }, 426: { Fbits: uint8(8), Fval: uint16(37), }, 427: { Fbits: uint8(9), Fval: uint16(171), }, 428: { Fbits: uint8(8), Fval: uint16(5), }, 429: { Fbits: uint8(8), Fval: uint16(133), }, 430: { Fbits: uint8(8), Fval: uint16(69), }, 431: { Fbits: uint8(9), Fval: uint16(235), }, 432: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(8), }, 433: { Fbits: uint8(8), Fval: uint16(93), }, 434: { Fbits: uint8(8), Fval: uint16(29), }, 435: { Fbits: uint8(9), Fval: uint16(155), }, 436: { Fop: uint8(20), Fbits: uint8(7), Fval: uint16(83), }, 437: { Fbits: uint8(8), Fval: uint16(125), }, 438: { Fbits: uint8(8), Fval: uint16(61), }, 439: { Fbits: uint8(9), Fval: uint16(219), }, 440: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(23), }, 441: { Fbits: uint8(8), Fval: uint16(109), }, 442: { Fbits: uint8(8), Fval: uint16(45), }, 443: { Fbits: uint8(9), Fval: uint16(187), }, 444: { Fbits: uint8(8), Fval: uint16(13), }, 445: { Fbits: uint8(8), Fval: uint16(141), }, 446: { Fbits: uint8(8), Fval: uint16(77), }, 447: { Fbits: uint8(9), Fval: uint16(251), }, 448: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(3), }, 449: { Fbits: uint8(8), Fval: uint16(83), }, 450: { Fbits: uint8(8), Fval: uint16(19), }, 451: { Fop: uint8(21), Fbits: uint8(8), Fval: uint16(195), }, 452: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(35), }, 453: { Fbits: uint8(8), Fval: uint16(115), }, 454: { Fbits: uint8(8), Fval: uint16(51), }, 455: { Fbits: uint8(9), Fval: uint16(199), }, 456: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(11), }, 457: { Fbits: uint8(8), Fval: uint16(99), }, 458: { Fbits: uint8(8), Fval: uint16(35), }, 459: { Fbits: uint8(9), Fval: uint16(167), }, 460: { Fbits: uint8(8), Fval: uint16(3), }, 461: { Fbits: uint8(8), Fval: uint16(131), }, 462: { Fbits: uint8(8), Fval: uint16(67), }, 463: { Fbits: uint8(9), Fval: uint16(231), }, 464: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(7), }, 465: { Fbits: uint8(8), Fval: uint16(91), }, 466: { Fbits: uint8(8), Fval: uint16(27), }, 467: { Fbits: uint8(9), Fval: uint16(151), }, 468: { Fop: uint8(20), Fbits: uint8(7), Fval: uint16(67), }, 469: { Fbits: uint8(8), Fval: uint16(123), }, 470: { Fbits: uint8(8), Fval: uint16(59), }, 471: { Fbits: uint8(9), Fval: uint16(215), }, 472: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(19), }, 473: { Fbits: uint8(8), Fval: uint16(107), }, 474: { Fbits: uint8(8), Fval: uint16(43), }, 475: { Fbits: uint8(9), Fval: uint16(183), }, 476: { Fbits: uint8(8), Fval: uint16(11), }, 477: { Fbits: uint8(8), Fval: uint16(139), }, 478: { Fbits: uint8(8), Fval: uint16(75), }, 479: { Fbits: uint8(9), Fval: uint16(247), }, 480: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(5), }, 481: { Fbits: uint8(8), Fval: uint16(87), }, 482: { Fbits: uint8(8), Fval: uint16(23), }, 483: { Fop: uint8(64), Fbits: uint8(8), }, 484: { Fop: uint8(19), Fbits: uint8(7), Fval: uint16(51), }, 485: { Fbits: uint8(8), Fval: uint16(119), }, 486: { Fbits: uint8(8), Fval: uint16(55), }, 487: { Fbits: uint8(9), Fval: uint16(207), }, 488: { Fop: uint8(17), Fbits: uint8(7), Fval: uint16(15), }, 489: { Fbits: uint8(8), Fval: uint16(103), }, 490: { Fbits: uint8(8), Fval: uint16(39), }, 491: { Fbits: uint8(9), Fval: uint16(175), }, 492: { Fbits: uint8(8), Fval: uint16(7), }, 493: { Fbits: uint8(8), Fval: uint16(135), }, 494: { Fbits: uint8(8), Fval: uint16(71), }, 495: { Fbits: uint8(9), Fval: uint16(239), }, 496: { Fop: uint8(16), Fbits: uint8(7), Fval: uint16(9), }, 497: { Fbits: uint8(8), Fval: uint16(95), }, 498: { Fbits: uint8(8), Fval: uint16(31), }, 499: { Fbits: uint8(9), Fval: uint16(159), }, 500: { Fop: uint8(20), Fbits: uint8(7), Fval: uint16(99), }, 501: { Fbits: uint8(8), Fval: uint16(127), }, 502: { Fbits: uint8(8), Fval: uint16(63), }, 503: { Fbits: uint8(9), Fval: uint16(223), }, 504: { Fop: uint8(18), Fbits: uint8(7), Fval: uint16(27), }, 505: { Fbits: uint8(8), Fval: uint16(111), }, 506: { Fbits: uint8(8), Fval: uint16(47), }, 507: { Fbits: uint8(9), Fval: uint16(191), }, 508: { Fbits: uint8(8), Fval: uint16(15), }, 509: { Fbits: uint8(8), Fval: uint16(143), }, 510: { Fbits: uint8(8), Fval: uint16(79), }, 511: { Fbits: uint8(9), Fval: uint16(255), }, } var _distfix = [32]Tcode{ 0: { Fop: uint8(16), Fbits: uint8(5), Fval: uint16(1), }, 1: { Fop: uint8(23), Fbits: uint8(5), Fval: uint16(257), }, 2: { Fop: uint8(19), Fbits: uint8(5), Fval: uint16(17), }, 3: { Fop: uint8(27), Fbits: uint8(5), Fval: uint16(4097), }, 4: { Fop: uint8(17), Fbits: uint8(5), Fval: uint16(5), }, 5: { Fop: uint8(25), Fbits: uint8(5), Fval: uint16(1025), }, 6: { Fop: uint8(21), Fbits: uint8(5), Fval: uint16(65), }, 7: { Fop: uint8(29), Fbits: uint8(5), Fval: uint16(16385), }, 8: { Fop: uint8(16), Fbits: uint8(5), Fval: uint16(3), }, 9: { Fop: uint8(24), Fbits: uint8(5), Fval: uint16(513), }, 10: { Fop: uint8(20), Fbits: uint8(5), Fval: uint16(33), }, 11: { Fop: uint8(28), Fbits: uint8(5), Fval: uint16(8193), }, 12: { Fop: uint8(18), Fbits: uint8(5), Fval: uint16(9), }, 13: { Fop: uint8(26), Fbits: uint8(5), Fval: uint16(2049), }, 14: { Fop: uint8(22), Fbits: uint8(5), Fval: uint16(129), }, 15: { Fop: uint8(64), Fbits: uint8(5), }, 16: { Fop: uint8(16), Fbits: uint8(5), Fval: uint16(2), }, 17: { Fop: uint8(23), Fbits: uint8(5), Fval: uint16(385), }, 18: { Fop: uint8(19), Fbits: uint8(5), Fval: uint16(25), }, 19: { Fop: uint8(27), Fbits: uint8(5), Fval: uint16(6145), }, 20: { Fop: uint8(17), Fbits: uint8(5), Fval: uint16(7), }, 21: { Fop: uint8(25), Fbits: uint8(5), Fval: uint16(1537), }, 22: { Fop: uint8(21), Fbits: uint8(5), Fval: uint16(97), }, 23: { Fop: uint8(29), Fbits: uint8(5), Fval: uint16(24577), }, 24: { Fop: uint8(16), Fbits: uint8(5), Fval: uint16(4), }, 25: { Fop: uint8(24), Fbits: uint8(5), Fval: uint16(769), }, 26: { Fop: uint8(20), Fbits: uint8(5), Fval: uint16(49), }, 27: { Fop: uint8(28), Fbits: uint8(5), Fval: uint16(12289), }, 28: { Fop: uint8(18), Fbits: uint8(5), Fval: uint16(13), }, 29: { Fop: uint8(26), Fbits: uint8(5), Fval: uint16(3073), }, 30: { Fop: uint8(22), Fbits: uint8(5), Fval: uint16(193), }, 31: { Fop: uint8(64), Fbits: uint8(5), }, } /* Macros for inflateBack(): */ /* Load returned state from inflate_fast() */ /* Set state from registers for inflate_fast() */ /* Clear the input bit accumulator */ /* Assure that some input is available. If input is requested, but denied, then return a Z_BUF_ERROR from inflateBack(). */ /* Get a byte of input into the bit accumulator, or return from inflateBack() with an error if there is no input available. */ /* Assure that there are at least n bits in the bit accumulator. If there is not enough available input to do that, then return from inflateBack() with an error. */ /* Return the low n bits of the bit accumulator (n < 16) */ /* Remove n bits from the bit accumulator */ /* Remove zero to seven bits as needed to go to a byte boundary */ /* Assure that some output space is available, by writing out the window if it's full. If the write fails, return from inflateBack() with a Z_BUF_ERROR. */ // C documentation // // /* // strm provides the memory allocation functions and window buffer on input, // and provides information on the unused input on return. For Z_DATA_ERROR // returns, strm will also provide an error message. // // in() and out() are the call-back input and output functions. When // inflateBack() needs more input, it calls in(). When inflateBack() has // filled the window with output, or when it completes with data in the // window, it calls out() to write out the data. The application must not // change the provided input until in() is called again or inflateBack() // returns. The application must not change the window/output buffer until // inflateBack() returns. // // in() and out() are called with a descriptor parameter provided in the // inflateBack() call. This parameter can be a structure that provides the // information required to do the read or write, as well as accumulated // information on the input and output such as totals and check values. // // in() should return zero on failure. out() should return non-zero on // failure. If either in() or out() fails, than inflateBack() returns a // Z_BUF_ERROR. strm->next_in can be checked for Z_NULL to see whether it // was in() or out() that caused in the error. Otherwise, inflateBack() // returns Z_STREAM_END on success, Z_DATA_ERROR for an deflate format // error, or Z_MEM_ERROR if it could not allocate memory for the state. // inflateBack() can also return Z_STREAM_ERROR if the input parameters // are not correct, i.e. strm is Z_NULL or the state was not initialized. // */ func XinflateBack(tls *libc.TLS, strm Tz_streamp, in Tin_func, in_desc uintptr, out Tout_func, out_desc uintptr) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) var bits, copy1, have, left, len1, v1, v18, v20, v24, v29, v30, v43, v44 uint32 var from, put, state, v11, v15, v16, v17, v19, v21, v23, v25, v26, v27, v28, v31, v33, v35, v36, v37, v39, v41, v42, v46, v47 uintptr var here, last Tcode var hold uint64 var ret int32 var _ /* next at bp+0 */ uintptr _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = bits, copy1, from, have, here, hold, last, left, len1, put, ret, state, v1, v11, v15, v16, v17, v18, v19, v20, v21, v23, v24, v25, v26, v27, v28, v29, v30, v31, v33, v35, v36, v37, v39, v41, v42, v43, v44, v46, v47 /* return code */ /* Check that the strm exists and that the state was initialized */ if strm == uintptr(m_Z_NULL) || (*Tz_stream)(unsafe.Pointer(strm)).Fstate == uintptr(m_Z_NULL) { return -int32(2) } state = (*Tz_stream)(unsafe.Pointer(strm)).Fstate /* Reset the state */ (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = uintptr(m_Z_NULL) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _TYPE (*Tinflate_state)(unsafe.Pointer(state)).Flast = 0 (*Tinflate_state)(unsafe.Pointer(state)).Fwhave = uint32(0) *(*uintptr)(unsafe.Pointer(bp)) = (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in if *(*uintptr)(unsafe.Pointer(bp)) != uintptr(m_Z_NULL) { v1 = (*Tz_stream)(unsafe.Pointer(strm)).Favail_in } else { v1 = uint32(0) } have = v1 hold = uint64(0) bits = uint32(0) put = (*Tinflate_state)(unsafe.Pointer(state)).Fwindow left = (*Tinflate_state)(unsafe.Pointer(state)).Fwsize /* Inflate until end of block marked as last */ for { switch (*Tinflate_state)(unsafe.Pointer(state)).Fmode { case _TYPE: goto _3 case _STORED: goto _4 case _TABLE: goto _5 case _LEN: goto _6 case _DONE: goto _7 case _BAD: goto _8 default: goto _9 } goto _10 _3: /* determine and dispatch block type */ if (*Tinflate_state)(unsafe.Pointer(state)).Flast != 0 { hold >>= uint64(bits & uint32(7)) bits -= bits & uint32(7) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _DONE goto _10 } for bits < uint32(libc.Int32FromInt32(3)) { if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } have-- v11 = *(*uintptr)(unsafe.Pointer(bp)) *(*uintptr)(unsafe.Pointer(bp))++ hold += uint64(*(*uint8)(unsafe.Pointer(v11))) << bits bits += uint32(8) } (*Tinflate_state)(unsafe.Pointer(state)).Flast = int32(uint32(uint32(hold)) & (libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(1)) bits -= uint32(libc.Int32FromInt32(1)) switch uint32(uint32(hold)) & (libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(2)) bits -= uint32(libc.Int32FromInt32(2)) goto _10 _4: /* get and verify stored block length */ _14: hold >>= uint64(bits & uint32(7)) bits -= bits & uint32(7) goto _13 _13: if 0 != 0 { goto _14 } goto _12 _12: /* go to byte boundary */ for bits < uint32(libc.Int32FromInt32(32)) { if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } have-- v15 = *(*uintptr)(unsafe.Pointer(bp)) *(*uintptr)(unsafe.Pointer(bp))++ hold += uint64(*(*uint8)(unsafe.Pointer(v15))) << bits bits += uint32(8) } if hold&uint64(0xffff) != hold>>int32(16)^uint64(0xffff) { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 23 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _10 } (*Tinflate_state)(unsafe.Pointer(state)).Flength = uint32(uint32(hold)) & uint32(0xffff) hold = uint64(0) bits = uint32(0) /* copy stored block from input to output */ for (*Tinflate_state)(unsafe.Pointer(state)).Flength != uint32(0) { copy1 = (*Tinflate_state)(unsafe.Pointer(state)).Flength if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } if left == uint32(0) { put = (*Tinflate_state)(unsafe.Pointer(state)).Fwindow left = (*Tinflate_state)(unsafe.Pointer(state)).Fwsize (*Tinflate_state)(unsafe.Pointer(state)).Fwhave = left if (*(*func(*libc.TLS, uintptr, uintptr, uint32) int32)(unsafe.Pointer(&struct{ uintptr }{out})))(tls, out_desc, put, left) != 0 { ret = -int32(5) goto inf_leave } } if copy1 > have { copy1 = have } if copy1 > left { copy1 = left } libc.Xmemcpy(tls, put, *(*uintptr)(unsafe.Pointer(bp)), uint64(uint64(copy1))) have -= copy1 *(*uintptr)(unsafe.Pointer(bp)) += uintptr(copy1) left -= copy1 put += uintptr(copy1) *(*uint32)(unsafe.Pointer(state + 92)) -= copy1 } (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _TYPE goto _10 _5: /* get dynamic table entries descriptor */ for bits < uint32(libc.Int32FromInt32(14)) { if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } have-- v16 = *(*uintptr)(unsafe.Pointer(bp)) *(*uintptr)(unsafe.Pointer(bp))++ hold += uint64(*(*uint8)(unsafe.Pointer(v16))) << bits bits += uint32(8) } (*Tinflate_state)(unsafe.Pointer(state)).Fnlen = uint32(uint32(hold))&(libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(5)) bits -= uint32(libc.Int32FromInt32(5)) (*Tinflate_state)(unsafe.Pointer(state)).Fndist = uint32(uint32(hold))&(libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(5)) bits -= uint32(libc.Int32FromInt32(5)) (*Tinflate_state)(unsafe.Pointer(state)).Fncode = uint32(uint32(hold))&(libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(4)) bits -= uint32(libc.Int32FromInt32(4)) if (*Tinflate_state)(unsafe.Pointer(state)).Fnlen > uint32(286) || (*Tinflate_state)(unsafe.Pointer(state)).Fndist > uint32(30) { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 52 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _10 } /* get code length code lengths (not a typo) */ (*Tinflate_state)(unsafe.Pointer(state)).Fhave = uint32(0) for (*Tinflate_state)(unsafe.Pointer(state)).Fhave < (*Tinflate_state)(unsafe.Pointer(state)).Fncode { for bits < uint32(libc.Int32FromInt32(3)) { if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } have-- v17 = *(*uintptr)(unsafe.Pointer(bp)) *(*uintptr)(unsafe.Pointer(bp))++ hold += uint64(*(*uint8)(unsafe.Pointer(v17))) << bits bits += uint32(8) } v19 = state + 140 v18 = *(*uint32)(unsafe.Pointer(v19)) *(*uint32)(unsafe.Pointer(v19))++ *(*uint16)(unsafe.Pointer(state + 152 + uintptr(_order[v18])*2)) = uint16(uint32(uint32(hold)) & (libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(3)) bits -= uint32(libc.Int32FromInt32(3)) } for (*Tinflate_state)(unsafe.Pointer(state)).Fhave < uint32(19) { v21 = state + 140 v20 = *(*uint32)(unsafe.Pointer(v21)) *(*uint32)(unsafe.Pointer(v21))++ *(*uint16)(unsafe.Pointer(state + 152 + uintptr(_order[v20])*2)) = uint16(0) } (*Tinflate_state)(unsafe.Pointer(state)).Fnext = state + 1368 (*Tinflate_state)(unsafe.Pointer(state)).Flencode = (*Tinflate_state)(unsafe.Pointer(state)).Fnext (*Tinflate_state)(unsafe.Pointer(state)).Flenbits = uint32(7) ret = Xinflate_table(tls, _CODES, state+152, uint32(19), state+144, state+120, state+792) if ret != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 88 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _10 } /* get length and distance code code lengths */ (*Tinflate_state)(unsafe.Pointer(state)).Fhave = uint32(0) for (*Tinflate_state)(unsafe.Pointer(state)).Fhave < (*Tinflate_state)(unsafe.Pointer(state)).Fnlen+(*Tinflate_state)(unsafe.Pointer(state)).Fndist { for { here = *(*Tcode)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Flencode + uintptr(uint32(uint32(hold))&(libc.Uint32FromUint32(1)<<(*Tinflate_state)(unsafe.Pointer(state)).Flenbits-libc.Uint32FromInt32(1)))*4)) if uint32(here.Fbits) <= bits { break } if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } have-- v23 = *(*uintptr)(unsafe.Pointer(bp)) *(*uintptr)(unsafe.Pointer(bp))++ hold += uint64(*(*uint8)(unsafe.Pointer(v23))) << bits bits += uint32(8) goto _22 _22: } if int32(here.Fval) < int32(16) { hold >>= uint64(here.Fbits) bits -= uint32(here.Fbits) v25 = state + 140 v24 = *(*uint32)(unsafe.Pointer(v25)) *(*uint32)(unsafe.Pointer(v25))++ *(*uint16)(unsafe.Pointer(state + 152 + uintptr(v24)*2)) = here.Fval } else { if int32(here.Fval) == int32(16) { for bits < uint32(int32(here.Fbits)+libc.Int32FromInt32(2)) { if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } have-- v26 = *(*uintptr)(unsafe.Pointer(bp)) *(*uintptr)(unsafe.Pointer(bp))++ hold += uint64(*(*uint8)(unsafe.Pointer(v26))) << bits bits += uint32(8) } hold >>= uint64(here.Fbits) bits -= uint32(here.Fbits) if (*Tinflate_state)(unsafe.Pointer(state)).Fhave == uint32(0) { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 113 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD break } len1 = uint32(*(*uint16)(unsafe.Pointer(state + 152 + uintptr((*Tinflate_state)(unsafe.Pointer(state)).Fhave-uint32(1))*2))) copy1 = uint32(3) + uint32(uint32(hold))&(libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(2)) bits -= uint32(libc.Int32FromInt32(2)) } else { if int32(here.Fval) == int32(17) { for bits < uint32(int32(here.Fbits)+libc.Int32FromInt32(3)) { if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } have-- v27 = *(*uintptr)(unsafe.Pointer(bp)) *(*uintptr)(unsafe.Pointer(bp))++ hold += uint64(*(*uint8)(unsafe.Pointer(v27))) << bits bits += uint32(8) } hold >>= uint64(here.Fbits) bits -= uint32(here.Fbits) len1 = uint32(0) copy1 = uint32(3) + uint32(uint32(hold))&(libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(3)) bits -= uint32(libc.Int32FromInt32(3)) } else { for bits < uint32(int32(here.Fbits)+libc.Int32FromInt32(7)) { if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } have-- v28 = *(*uintptr)(unsafe.Pointer(bp)) *(*uintptr)(unsafe.Pointer(bp))++ hold += uint64(*(*uint8)(unsafe.Pointer(v28))) << bits bits += uint32(8) } hold >>= uint64(here.Fbits) bits -= uint32(here.Fbits) len1 = uint32(0) copy1 = uint32(11) + uint32(uint32(hold))&(libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(7)) bits -= uint32(libc.Int32FromInt32(7)) } } if (*Tinflate_state)(unsafe.Pointer(state)).Fhave+copy1 > (*Tinflate_state)(unsafe.Pointer(state)).Fnlen+(*Tinflate_state)(unsafe.Pointer(state)).Fndist { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 113 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD break } for { v29 = copy1 copy1-- if !(v29 != 0) { break } v31 = state + 140 v30 = *(*uint32)(unsafe.Pointer(v31)) *(*uint32)(unsafe.Pointer(v31))++ *(*uint16)(unsafe.Pointer(state + 152 + uintptr(v30)*2)) = uint16(uint16(len1)) } } } /* handle error breaks in while */ if (*Tinflate_state)(unsafe.Pointer(state)).Fmode == _BAD { goto _10 } /* check for end-of-block code (better have one) */ if int32(*(*uint16)(unsafe.Pointer(state + 152 + 256*2))) == 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 139 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _10 } /* build code tables -- note: do not change the lenbits or distbits values here (9 and 6) without reading the comments in inftrees.h concerning the ENOUGH constants, which depend on those values */ (*Tinflate_state)(unsafe.Pointer(state)).Fnext = state + 1368 (*Tinflate_state)(unsafe.Pointer(state)).Flencode = (*Tinflate_state)(unsafe.Pointer(state)).Fnext (*Tinflate_state)(unsafe.Pointer(state)).Flenbits = uint32(9) ret = Xinflate_table(tls, _LENS, state+152, (*Tinflate_state)(unsafe.Pointer(state)).Fnlen, state+144, state+120, state+792) if ret != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 176 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _10 } (*Tinflate_state)(unsafe.Pointer(state)).Fdistcode = (*Tinflate_state)(unsafe.Pointer(state)).Fnext (*Tinflate_state)(unsafe.Pointer(state)).Fdistbits = uint32(6) ret = Xinflate_table(tls, _DISTS, state+152+uintptr((*Tinflate_state)(unsafe.Pointer(state)).Fnlen)*2, (*Tinflate_state)(unsafe.Pointer(state)).Fndist, state+144, state+124, state+792) if ret != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 204 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _10 } (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _LEN /* fallthrough */ _6: /* use inflate_fast() if we have enough input and output */ if have >= uint32(6) && left >= uint32(258) { (*Tz_stream)(unsafe.Pointer(strm)).Fnext_out = put (*Tz_stream)(unsafe.Pointer(strm)).Favail_out = left (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in = *(*uintptr)(unsafe.Pointer(bp)) (*Tz_stream)(unsafe.Pointer(strm)).Favail_in = have (*Tinflate_state)(unsafe.Pointer(state)).Fhold = hold (*Tinflate_state)(unsafe.Pointer(state)).Fbits = bits if (*Tinflate_state)(unsafe.Pointer(state)).Fwhave < (*Tinflate_state)(unsafe.Pointer(state)).Fwsize { (*Tinflate_state)(unsafe.Pointer(state)).Fwhave = (*Tinflate_state)(unsafe.Pointer(state)).Fwsize - left } Xinflate_fast(tls, strm, (*Tinflate_state)(unsafe.Pointer(state)).Fwsize) put = (*Tz_stream)(unsafe.Pointer(strm)).Fnext_out left = (*Tz_stream)(unsafe.Pointer(strm)).Favail_out *(*uintptr)(unsafe.Pointer(bp)) = (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in have = (*Tz_stream)(unsafe.Pointer(strm)).Favail_in hold = (*Tinflate_state)(unsafe.Pointer(state)).Fhold bits = (*Tinflate_state)(unsafe.Pointer(state)).Fbits goto _10 } /* get a literal, length, or end-of-block code */ for { here = *(*Tcode)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Flencode + uintptr(uint32(uint32(hold))&(libc.Uint32FromUint32(1)<<(*Tinflate_state)(unsafe.Pointer(state)).Flenbits-libc.Uint32FromInt32(1)))*4)) if uint32(here.Fbits) <= bits { break } if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } have-- v33 = *(*uintptr)(unsafe.Pointer(bp)) *(*uintptr)(unsafe.Pointer(bp))++ hold += uint64(*(*uint8)(unsafe.Pointer(v33))) << bits bits += uint32(8) goto _32 _32: } if here.Fop != 0 && int32(here.Fop)&int32(0xf0) == 0 { last = here for { here = *(*Tcode)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Flencode + uintptr(uint32(last.Fval)+uint32(uint32(hold))&(uint32(1)<<(int32(last.Fbits)+int32(last.Fop))-uint32(1))>>last.Fbits)*4)) if uint32(int32(last.Fbits)+int32(here.Fbits)) <= bits { break } if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } have-- v35 = *(*uintptr)(unsafe.Pointer(bp)) *(*uintptr)(unsafe.Pointer(bp))++ hold += uint64(*(*uint8)(unsafe.Pointer(v35))) << bits bits += uint32(8) goto _34 _34: } hold >>= uint64(last.Fbits) bits -= uint32(last.Fbits) } hold >>= uint64(here.Fbits) bits -= uint32(here.Fbits) (*Tinflate_state)(unsafe.Pointer(state)).Flength = uint32(here.Fval) /* process literal */ if int32(here.Fop) == 0 { if left == uint32(0) { put = (*Tinflate_state)(unsafe.Pointer(state)).Fwindow left = (*Tinflate_state)(unsafe.Pointer(state)).Fwsize (*Tinflate_state)(unsafe.Pointer(state)).Fwhave = left if (*(*func(*libc.TLS, uintptr, uintptr, uint32) int32)(unsafe.Pointer(&struct{ uintptr }{out})))(tls, out_desc, put, left) != 0 { ret = -int32(5) goto inf_leave } } v36 = put put++ *(*uint8)(unsafe.Pointer(v36)) = uint8((*Tinflate_state)(unsafe.Pointer(state)).Flength) left-- (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _LEN goto _10 } /* process end of block */ if int32(here.Fop)&int32(32) != 0 { (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _TYPE goto _10 } /* invalid code */ if int32(here.Fop)&int32(64) != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 226 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _10 } /* length code -- get extra bits, if any */ (*Tinflate_state)(unsafe.Pointer(state)).Fextra = uint32(here.Fop) & uint32(15) if (*Tinflate_state)(unsafe.Pointer(state)).Fextra != uint32(0) { for bits < (*Tinflate_state)(unsafe.Pointer(state)).Fextra { if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } have-- v37 = *(*uintptr)(unsafe.Pointer(bp)) *(*uintptr)(unsafe.Pointer(bp))++ hold += uint64(*(*uint8)(unsafe.Pointer(v37))) << bits bits += uint32(8) } *(*uint32)(unsafe.Pointer(state + 92)) += uint32(uint32(hold)) & (uint32(1)<<(*Tinflate_state)(unsafe.Pointer(state)).Fextra - uint32(1)) hold >>= uint64((*Tinflate_state)(unsafe.Pointer(state)).Fextra) bits -= (*Tinflate_state)(unsafe.Pointer(state)).Fextra } /* get distance code */ for { here = *(*Tcode)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fdistcode + uintptr(uint32(uint32(hold))&(libc.Uint32FromUint32(1)<<(*Tinflate_state)(unsafe.Pointer(state)).Fdistbits-libc.Uint32FromInt32(1)))*4)) if uint32(here.Fbits) <= bits { break } if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } have-- v39 = *(*uintptr)(unsafe.Pointer(bp)) *(*uintptr)(unsafe.Pointer(bp))++ hold += uint64(*(*uint8)(unsafe.Pointer(v39))) << bits bits += uint32(8) goto _38 _38: } if int32(here.Fop)&int32(0xf0) == 0 { last = here for { here = *(*Tcode)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fdistcode + uintptr(uint32(last.Fval)+uint32(uint32(hold))&(uint32(1)<<(int32(last.Fbits)+int32(last.Fop))-uint32(1))>>last.Fbits)*4)) if uint32(int32(last.Fbits)+int32(here.Fbits)) <= bits { break } if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } have-- v41 = *(*uintptr)(unsafe.Pointer(bp)) *(*uintptr)(unsafe.Pointer(bp))++ hold += uint64(*(*uint8)(unsafe.Pointer(v41))) << bits bits += uint32(8) goto _40 _40: } hold >>= uint64(last.Fbits) bits -= uint32(last.Fbits) } hold >>= uint64(here.Fbits) bits -= uint32(here.Fbits) if int32(here.Fop)&int32(64) != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 254 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _10 } (*Tinflate_state)(unsafe.Pointer(state)).Foffset = uint32(here.Fval) /* get distance extra bits, if any */ (*Tinflate_state)(unsafe.Pointer(state)).Fextra = uint32(here.Fop) & uint32(15) if (*Tinflate_state)(unsafe.Pointer(state)).Fextra != uint32(0) { for bits < (*Tinflate_state)(unsafe.Pointer(state)).Fextra { if have == uint32(0) { have = (*(*func(*libc.TLS, uintptr, uintptr) uint32)(unsafe.Pointer(&struct{ uintptr }{in})))(tls, in_desc, bp) if have == uint32(0) { *(*uintptr)(unsafe.Pointer(bp)) = uintptr(m_Z_NULL) ret = -int32(5) goto inf_leave } } have-- v42 = *(*uintptr)(unsafe.Pointer(bp)) *(*uintptr)(unsafe.Pointer(bp))++ hold += uint64(*(*uint8)(unsafe.Pointer(v42))) << bits bits += uint32(8) } *(*uint32)(unsafe.Pointer(state + 96)) += uint32(uint32(hold)) & (uint32(1)<<(*Tinflate_state)(unsafe.Pointer(state)).Fextra - uint32(1)) hold >>= uint64((*Tinflate_state)(unsafe.Pointer(state)).Fextra) bits -= (*Tinflate_state)(unsafe.Pointer(state)).Fextra } if (*Tinflate_state)(unsafe.Pointer(state)).Fwhave < (*Tinflate_state)(unsafe.Pointer(state)).Fwsize { v43 = left } else { v43 = uint32(0) } if (*Tinflate_state)(unsafe.Pointer(state)).Foffset > (*Tinflate_state)(unsafe.Pointer(state)).Fwsize-v43 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 276 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _10 } /* copy match from window to output */ for cond := true; cond; cond = (*Tinflate_state)(unsafe.Pointer(state)).Flength != uint32(0) { if left == uint32(0) { put = (*Tinflate_state)(unsafe.Pointer(state)).Fwindow left = (*Tinflate_state)(unsafe.Pointer(state)).Fwsize (*Tinflate_state)(unsafe.Pointer(state)).Fwhave = left if (*(*func(*libc.TLS, uintptr, uintptr, uint32) int32)(unsafe.Pointer(&struct{ uintptr }{out})))(tls, out_desc, put, left) != 0 { ret = -int32(5) goto inf_leave } } copy1 = (*Tinflate_state)(unsafe.Pointer(state)).Fwsize - (*Tinflate_state)(unsafe.Pointer(state)).Foffset if copy1 < left { from = put + uintptr(copy1) copy1 = left - copy1 } else { from = put - uintptr((*Tinflate_state)(unsafe.Pointer(state)).Foffset) copy1 = left } if copy1 > (*Tinflate_state)(unsafe.Pointer(state)).Flength { copy1 = (*Tinflate_state)(unsafe.Pointer(state)).Flength } *(*uint32)(unsafe.Pointer(state + 92)) -= copy1 left -= copy1 for { v46 = put put++ v47 = from from++ *(*uint8)(unsafe.Pointer(v46)) = *(*uint8)(unsafe.Pointer(v47)) goto _45 _45: copy1-- v44 = copy1 if !(v44 != 0) { break } } } goto _10 _7: /* inflate stream terminated properly */ ret = int32(m_Z_STREAM_END) goto inf_leave _8: ret = -int32(3) goto inf_leave _9: /* can't happen, but makes compilers happy */ ret = -int32(2) goto inf_leave _10: goto _2 _2: } /* Write leftover output and return unused input */ inf_leave: if left < (*Tinflate_state)(unsafe.Pointer(state)).Fwsize { if (*(*func(*libc.TLS, uintptr, uintptr, uint32) int32)(unsafe.Pointer(&struct{ uintptr }{out})))(tls, out_desc, (*Tinflate_state)(unsafe.Pointer(state)).Fwindow, (*Tinflate_state)(unsafe.Pointer(state)).Fwsize-left) != 0 && ret == int32(m_Z_STREAM_END) { ret = -int32(5) } } (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in = *(*uintptr)(unsafe.Pointer(bp)) (*Tz_stream)(unsafe.Pointer(strm)).Favail_in = have return ret } var _order = [19]uint16{ 0: uint16(16), 1: uint16(17), 2: uint16(18), 4: uint16(8), 5: uint16(7), 6: uint16(9), 7: uint16(6), 8: uint16(10), 9: uint16(5), 10: uint16(11), 11: uint16(4), 12: uint16(12), 13: uint16(3), 14: uint16(13), 15: uint16(2), 16: uint16(14), 17: uint16(1), 18: uint16(15), } func XinflateBackEnd(tls *libc.TLS, strm Tz_streamp) (r int32) { if strm == uintptr(m_Z_NULL) || (*Tz_stream)(unsafe.Pointer(strm)).Fstate == uintptr(m_Z_NULL) || (*Tz_stream)(unsafe.Pointer(strm)).Fzfree == libc.UintptrFromInt32(0) { return -int32(2) } (*(*func(*libc.TLS, Tvoidpf, Tvoidpf))(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzfree})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, (*Tz_stream)(unsafe.Pointer(strm)).Fstate) (*Tz_stream)(unsafe.Pointer(strm)).Fstate = uintptr(m_Z_NULL) return m_Z_OK } // C documentation // // /* // Decode literal, length, and distance codes and write out the resulting // literal and match bytes until either not enough input or output is // available, an end-of-block is encountered, or a data error is encountered. // When large enough input and output buffers are supplied to inflate(), for // example, a 16K input buffer and a 64K output buffer, more than 95% of the // inflate execution time is spent in this routine. // // Entry assumptions: // // state->mode == LEN // strm->avail_in >= 6 // strm->avail_out >= 258 // start >= strm->avail_out // state->bits < 8 // // On return, state->mode is one of: // // LEN -- ran out of enough output space or enough available input // TYPE -- reached end of block code, inflate() to interpret next block // BAD -- error in block data // // Notes: // // - The maximum input bits used by a length/distance pair is 15 bits for the // length code, 5 bits for the length extra, 15 bits for the distance code, // and 13 bits for the distance extra. This totals 48 bits, or six bytes. // Therefore if strm->avail_in >= 6, then there is enough input to avoid // checking for available input while decoding. // // - The maximum bytes that a single length/distance pair can output is 258 // bytes, which is the maximum length that can be coded. inflate_fast() // requires strm->avail_out >= 258 for each loop to avoid checking for // output space. // */ func Xinflate_fast(tls *libc.TLS, strm Tz_streamp, start uint32) { var beg, dcode, end, from, here, in, last, lcode, out, state, window, v1, v11, v12, v15, v16, v19, v2, v20, v23, v24, v25, v26, v27, v28, v29, v3, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v4, v40, v41, v42, v43, v44, v5, v6, v7, v8 uintptr var bits, dist, dmask, len1, lmask, op, whave, wnext, wsize, v13, v17, v21, v9 uint32 var hold uint64 var v45, v46 int64 _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = beg, bits, dcode, dist, dmask, end, from, here, hold, in, last, lcode, len1, lmask, op, out, state, whave, window, wnext, wsize, v1, v11, v12, v13, v15, v16, v17, v19, v2, v20, v21, v23, v24, v25, v26, v27, v28, v29, v3, v30, v31, v32, v33, v34, v35, v36, v37, v38, v39, v4, v40, v41, v42, v43, v44, v45, v46, v5, v6, v7, v8, v9 /* where to copy match from */ /* copy state to local variables */ state = (*Tz_stream)(unsafe.Pointer(strm)).Fstate in = (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in last = in + uintptr((*Tz_stream)(unsafe.Pointer(strm)).Favail_in-libc.Uint32FromInt32(5)) out = (*Tz_stream)(unsafe.Pointer(strm)).Fnext_out beg = out - uintptr(start-(*Tz_stream)(unsafe.Pointer(strm)).Favail_out) end = out + uintptr((*Tz_stream)(unsafe.Pointer(strm)).Favail_out-libc.Uint32FromInt32(257)) wsize = (*Tinflate_state)(unsafe.Pointer(state)).Fwsize whave = (*Tinflate_state)(unsafe.Pointer(state)).Fwhave wnext = (*Tinflate_state)(unsafe.Pointer(state)).Fwnext window = (*Tinflate_state)(unsafe.Pointer(state)).Fwindow hold = (*Tinflate_state)(unsafe.Pointer(state)).Fhold bits = (*Tinflate_state)(unsafe.Pointer(state)).Fbits lcode = (*Tinflate_state)(unsafe.Pointer(state)).Flencode dcode = (*Tinflate_state)(unsafe.Pointer(state)).Fdistcode lmask = uint32(1)<<(*Tinflate_state)(unsafe.Pointer(state)).Flenbits - uint32(1) dmask = uint32(1)<<(*Tinflate_state)(unsafe.Pointer(state)).Fdistbits - uint32(1) /* decode literals and length/distances until end-of-block or not enough input data or output space */ for cond := true; cond; cond = in < last && out < end { if bits < uint32(15) { v1 = in in++ hold += uint64(*(*uint8)(unsafe.Pointer(v1))) << bits bits += uint32(8) v2 = in in++ hold += uint64(*(*uint8)(unsafe.Pointer(v2))) << bits bits += uint32(8) } here = lcode + uintptr(hold&uint64(uint64(lmask)))*4 dolen: op = uint32((*Tcode)(unsafe.Pointer(here)).Fbits) hold >>= uint64(uint64(op)) bits -= op op = uint32((*Tcode)(unsafe.Pointer(here)).Fop) if op == uint32(0) { /* literal */ v3 = out out++ *(*uint8)(unsafe.Pointer(v3)) = uint8((*Tcode)(unsafe.Pointer(here)).Fval) } else { if op&uint32(16) != 0 { /* length base */ len1 = uint32((*Tcode)(unsafe.Pointer(here)).Fval) op &= uint32(15) /* number of extra bits */ if op != 0 { if bits < op { v4 = in in++ hold += uint64(*(*uint8)(unsafe.Pointer(v4))) << bits bits += uint32(8) } len1 += uint32(uint32(hold)) & (uint32(1)<>= uint64(uint64(op)) bits -= op } if bits < uint32(15) { v5 = in in++ hold += uint64(*(*uint8)(unsafe.Pointer(v5))) << bits bits += uint32(8) v6 = in in++ hold += uint64(*(*uint8)(unsafe.Pointer(v6))) << bits bits += uint32(8) } here = dcode + uintptr(hold&uint64(uint64(dmask)))*4 dodist: op = uint32((*Tcode)(unsafe.Pointer(here)).Fbits) hold >>= uint64(uint64(op)) bits -= op op = uint32((*Tcode)(unsafe.Pointer(here)).Fop) if op&uint32(16) != 0 { /* distance base */ dist = uint32((*Tcode)(unsafe.Pointer(here)).Fval) op &= uint32(15) /* number of extra bits */ if bits < op { v7 = in in++ hold += uint64(*(*uint8)(unsafe.Pointer(v7))) << bits bits += uint32(8) if bits < op { v8 = in in++ hold += uint64(*(*uint8)(unsafe.Pointer(v8))) << bits bits += uint32(8) } } dist += uint32(uint32(hold)) & (uint32(1)<>= uint64(uint64(op)) bits -= op op = uint32(int64(int64(out)) - int64(int64(beg))) /* max distance in output */ if dist > op { /* see if copy from window */ op = dist - op /* distance back in window */ if op > whave { if (*Tinflate_state)(unsafe.Pointer(state)).Fsane != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 276 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD break } } from = window if wnext == uint32(0) { /* very common case */ from += uintptr(wsize - op) if op < len1 { /* some from window */ len1 -= op for { v11 = out out++ v12 = from from++ *(*uint8)(unsafe.Pointer(v11)) = *(*uint8)(unsafe.Pointer(v12)) goto _10 _10: op-- v9 = op if !(v9 != 0) { break } } from = out - uintptr(dist) /* rest from output */ } } else { if wnext < op { /* wrap around window */ from += uintptr(wsize + wnext - op) op -= wnext if op < len1 { /* some from end of window */ len1 -= op for { v15 = out out++ v16 = from from++ *(*uint8)(unsafe.Pointer(v15)) = *(*uint8)(unsafe.Pointer(v16)) goto _14 _14: op-- v13 = op if !(v13 != 0) { break } } from = window if wnext < len1 { /* some from start of window */ op = wnext len1 -= op for { v19 = out out++ v20 = from from++ *(*uint8)(unsafe.Pointer(v19)) = *(*uint8)(unsafe.Pointer(v20)) goto _18 _18: op-- v17 = op if !(v17 != 0) { break } } from = out - uintptr(dist) /* rest from output */ } } } else { /* contiguous in window */ from += uintptr(wnext - op) if op < len1 { /* some from window */ len1 -= op for { v23 = out out++ v24 = from from++ *(*uint8)(unsafe.Pointer(v23)) = *(*uint8)(unsafe.Pointer(v24)) goto _22 _22: op-- v21 = op if !(v21 != 0) { break } } from = out - uintptr(dist) /* rest from output */ } } } for len1 > uint32(2) { v25 = out out++ v26 = from from++ *(*uint8)(unsafe.Pointer(v25)) = *(*uint8)(unsafe.Pointer(v26)) v27 = out out++ v28 = from from++ *(*uint8)(unsafe.Pointer(v27)) = *(*uint8)(unsafe.Pointer(v28)) v29 = out out++ v30 = from from++ *(*uint8)(unsafe.Pointer(v29)) = *(*uint8)(unsafe.Pointer(v30)) len1 -= uint32(3) } if len1 != 0 { v31 = out out++ v32 = from from++ *(*uint8)(unsafe.Pointer(v31)) = *(*uint8)(unsafe.Pointer(v32)) if len1 > uint32(1) { v33 = out out++ v34 = from from++ *(*uint8)(unsafe.Pointer(v33)) = *(*uint8)(unsafe.Pointer(v34)) } } } else { from = out - uintptr(dist) /* copy direct from output */ for cond := true; cond; cond = len1 > uint32(2) { /* minimum length is three */ v35 = out out++ v36 = from from++ *(*uint8)(unsafe.Pointer(v35)) = *(*uint8)(unsafe.Pointer(v36)) v37 = out out++ v38 = from from++ *(*uint8)(unsafe.Pointer(v37)) = *(*uint8)(unsafe.Pointer(v38)) v39 = out out++ v40 = from from++ *(*uint8)(unsafe.Pointer(v39)) = *(*uint8)(unsafe.Pointer(v40)) len1 -= uint32(3) } if len1 != 0 { v41 = out out++ v42 = from from++ *(*uint8)(unsafe.Pointer(v41)) = *(*uint8)(unsafe.Pointer(v42)) if len1 > uint32(1) { v43 = out out++ v44 = from from++ *(*uint8)(unsafe.Pointer(v43)) = *(*uint8)(unsafe.Pointer(v44)) } } } } else { if op&uint32(64) == uint32(0) { /* 2nd level distance code */ here = dcode + uintptr((*Tcode)(unsafe.Pointer(here)).Fval)*4 + uintptr(hold&uint64(libc.Uint32FromUint32(1)<> int32(3) in -= uintptr(len1) bits -= len1 << int32(3) hold &= uint64(uint32(1)< _SYNC { return int32(1) } return 0 } func XinflateResetKeep(tls *libc.TLS, strm Tz_streamp) (r int32) { var state, v3, v4 uintptr var v1 TuLong var v2 uint64 _, _, _, _, _ = state, v1, v2, v3, v4 if _inflateStateCheck(tls, strm) != 0 { return -int32(2) } state = (*Tz_stream)(unsafe.Pointer(strm)).Fstate v2 = libc.Uint64FromInt32(0) (*Tinflate_state)(unsafe.Pointer(state)).Ftotal = v2 v1 = v2 (*Tz_stream)(unsafe.Pointer(strm)).Ftotal_out = v1 (*Tz_stream)(unsafe.Pointer(strm)).Ftotal_in = v1 (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = uintptr(m_Z_NULL) if (*Tinflate_state)(unsafe.Pointer(state)).Fwrap != 0 { /* to support ill-conceived Java test suite */ (*Tz_stream)(unsafe.Pointer(strm)).Fadler = uint64((*Tinflate_state)(unsafe.Pointer(state)).Fwrap & int32(1)) } (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _HEAD (*Tinflate_state)(unsafe.Pointer(state)).Flast = 0 (*Tinflate_state)(unsafe.Pointer(state)).Fhavedict = 0 (*Tinflate_state)(unsafe.Pointer(state)).Fflags = -int32(1) (*Tinflate_state)(unsafe.Pointer(state)).Fdmax = uint32(32768) (*Tinflate_state)(unsafe.Pointer(state)).Fhead = uintptr(m_Z_NULL) (*Tinflate_state)(unsafe.Pointer(state)).Fhold = uint64(0) (*Tinflate_state)(unsafe.Pointer(state)).Fbits = uint32(0) v4 = state + 1368 (*Tinflate_state)(unsafe.Pointer(state)).Fnext = v4 v3 = v4 (*Tinflate_state)(unsafe.Pointer(state)).Fdistcode = v3 (*Tinflate_state)(unsafe.Pointer(state)).Flencode = v3 (*Tinflate_state)(unsafe.Pointer(state)).Fsane = int32(1) (*Tinflate_state)(unsafe.Pointer(state)).Fback = -int32(1) return m_Z_OK } func XinflateReset(tls *libc.TLS, strm Tz_streamp) (r int32) { var state uintptr _ = state if _inflateStateCheck(tls, strm) != 0 { return -int32(2) } state = (*Tz_stream)(unsafe.Pointer(strm)).Fstate (*Tinflate_state)(unsafe.Pointer(state)).Fwsize = uint32(0) (*Tinflate_state)(unsafe.Pointer(state)).Fwhave = uint32(0) (*Tinflate_state)(unsafe.Pointer(state)).Fwnext = uint32(0) return XinflateResetKeep(tls, strm) } func XinflateReset2(tls *libc.TLS, strm Tz_streamp, windowBits int32) (r int32) { var state uintptr var wrap int32 _, _ = state, wrap /* get the state */ if _inflateStateCheck(tls, strm) != 0 { return -int32(2) } state = (*Tz_stream)(unsafe.Pointer(strm)).Fstate /* extract wrap request from windowBits parameter */ if windowBits < 0 { if windowBits < -int32(15) { return -int32(2) } wrap = 0 windowBits = -windowBits } else { wrap = windowBits>>int32(4) + int32(5) if windowBits < int32(48) { windowBits &= int32(15) } } /* set number of window bits, free window if different */ if windowBits != 0 && (windowBits < int32(8) || windowBits > int32(15)) { return -int32(2) } if (*Tinflate_state)(unsafe.Pointer(state)).Fwindow != uintptr(m_Z_NULL) && (*Tinflate_state)(unsafe.Pointer(state)).Fwbits != uint32(uint32(windowBits)) { (*(*func(*libc.TLS, Tvoidpf, Tvoidpf))(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzfree})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, (*Tinflate_state)(unsafe.Pointer(state)).Fwindow) (*Tinflate_state)(unsafe.Pointer(state)).Fwindow = uintptr(m_Z_NULL) } /* update state and reset the rest of it */ (*Tinflate_state)(unsafe.Pointer(state)).Fwrap = wrap (*Tinflate_state)(unsafe.Pointer(state)).Fwbits = uint32(uint32(windowBits)) return XinflateReset(tls, strm) } func XinflateInit2_(tls *libc.TLS, strm Tz_streamp, windowBits int32, version uintptr, stream_size int32) (r int32) { var ret int32 var state uintptr _, _ = ret, state if version == uintptr(m_Z_NULL) || int32(*(*int8)(unsafe.Pointer(version))) != int32(*(*int8)(unsafe.Pointer(__ccgo_ts))) || stream_size != int32(libc.Uint64FromInt64(112)) { return -int32(6) } if strm == uintptr(m_Z_NULL) { return -int32(2) } (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = uintptr(m_Z_NULL) /* in case we return an error */ if (*Tz_stream)(unsafe.Pointer(strm)).Fzalloc == libc.UintptrFromInt32(0) { (*Tz_stream)(unsafe.Pointer(strm)).Fzalloc = __ccgo_fp(Xzcalloc) (*Tz_stream)(unsafe.Pointer(strm)).Fopaque = libc.UintptrFromInt32(0) } if (*Tz_stream)(unsafe.Pointer(strm)).Fzfree == libc.UintptrFromInt32(0) { (*Tz_stream)(unsafe.Pointer(strm)).Fzfree = __ccgo_fp(Xzcfree) } state = (*(*func(*libc.TLS, Tvoidpf, TuInt, TuInt) Tvoidpf)(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzalloc})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, uint32(libc.Int32FromInt32(1)), uint32(libc.Uint64FromInt64(7160))) if state == uintptr(m_Z_NULL) { return -int32(4) } (*Tz_stream)(unsafe.Pointer(strm)).Fstate = state (*Tinflate_state)(unsafe.Pointer(state)).Fstrm = strm (*Tinflate_state)(unsafe.Pointer(state)).Fwindow = uintptr(m_Z_NULL) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _HEAD /* to pass state test in inflateReset2() */ ret = XinflateReset2(tls, strm, windowBits) if ret != m_Z_OK { (*(*func(*libc.TLS, Tvoidpf, Tvoidpf))(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(strm)).Fzfree})))(tls, (*Tz_stream)(unsafe.Pointer(strm)).Fopaque, state) (*Tz_stream)(unsafe.Pointer(strm)).Fstate = uintptr(m_Z_NULL) } return ret } func XinflateInit_(tls *libc.TLS, strm Tz_streamp, version uintptr, stream_size int32) (r int32) { return XinflateInit2_(tls, strm, int32(m_MAX_WBITS), version, stream_size) } func XinflatePrime(tls *libc.TLS, strm Tz_streamp, bits int32, value int32) (r int32) { var state uintptr _ = state if _inflateStateCheck(tls, strm) != 0 { return -int32(2) } if bits == 0 { return m_Z_OK } state = (*Tz_stream)(unsafe.Pointer(strm)).Fstate if bits < 0 { (*Tinflate_state)(unsafe.Pointer(state)).Fhold = uint64(0) (*Tinflate_state)(unsafe.Pointer(state)).Fbits = uint32(0) return m_Z_OK } if bits > int32(16) || (*Tinflate_state)(unsafe.Pointer(state)).Fbits+uint32(uint32(bits)) > uint32(32) { return -int32(2) } value = int32(int64(value) & (libc.Int64FromInt64(1)<wsize or less output bytes into the circular window */ if copy1 >= (*Tinflate_state)(unsafe.Pointer(state)).Fwsize { libc.Xmemcpy(tls, (*Tinflate_state)(unsafe.Pointer(state)).Fwindow, end-uintptr((*Tinflate_state)(unsafe.Pointer(state)).Fwsize), uint64((*Tinflate_state)(unsafe.Pointer(state)).Fwsize)) (*Tinflate_state)(unsafe.Pointer(state)).Fwnext = uint32(0) (*Tinflate_state)(unsafe.Pointer(state)).Fwhave = (*Tinflate_state)(unsafe.Pointer(state)).Fwsize } else { dist = (*Tinflate_state)(unsafe.Pointer(state)).Fwsize - (*Tinflate_state)(unsafe.Pointer(state)).Fwnext if dist > copy1 { dist = copy1 } libc.Xmemcpy(tls, (*Tinflate_state)(unsafe.Pointer(state)).Fwindow+uintptr((*Tinflate_state)(unsafe.Pointer(state)).Fwnext), end-uintptr(copy1), uint64(uint64(dist))) copy1 -= dist if copy1 != 0 { libc.Xmemcpy(tls, (*Tinflate_state)(unsafe.Pointer(state)).Fwindow, end-uintptr(copy1), uint64(uint64(copy1))) (*Tinflate_state)(unsafe.Pointer(state)).Fwnext = copy1 (*Tinflate_state)(unsafe.Pointer(state)).Fwhave = (*Tinflate_state)(unsafe.Pointer(state)).Fwsize } else { *(*uint32)(unsafe.Pointer(state + 68)) += dist if (*Tinflate_state)(unsafe.Pointer(state)).Fwnext == (*Tinflate_state)(unsafe.Pointer(state)).Fwsize { (*Tinflate_state)(unsafe.Pointer(state)).Fwnext = uint32(0) } if (*Tinflate_state)(unsafe.Pointer(state)).Fwhave < (*Tinflate_state)(unsafe.Pointer(state)).Fwsize { *(*uint32)(unsafe.Pointer(state + 64)) += dist } } } return 0 } /* Macros for inflate(): */ /* check function to use adler32() for zlib or crc32() for gzip */ /* check macros for header crc */ /* Load registers with state in inflate() for speed */ /* Restore state from registers in inflate() */ /* Clear the input bit accumulator */ /* Get a byte of input into the bit accumulator, or return from inflate() if there is no input available. */ /* Assure that there are at least n bits in the bit accumulator. If there is not enough available input to do that, then return from inflate(). */ /* Return the low n bits of the bit accumulator (n < 16) */ /* Remove n bits from the bit accumulator */ /* Remove zero to seven bits as needed to go to a byte boundary */ /* inflate() uses a state machine to process as much input data and generate as much output data as possible before returning. The state machine is structured roughly as follows: for (;;) switch (state) { ... case STATEn: if (not enough input data or output space to make progress) return; ... make progress ... state = STATEm; break; ... } so when inflate() is called again, the same case is attempted again, and if the appropriate resources are provided, the machine proceeds to the next state. The NEEDBITS() macro is usually the way the state evaluates whether it can proceed or should return. NEEDBITS() does the return if the requested bits are not available. The typical use of the BITS macros is: NEEDBITS(n); ... do something with BITS(n) ... DROPBITS(n); where NEEDBITS(n) either returns from inflate() if there isn't enough input left to load n bits into the accumulator, or it continues. BITS(n) gives the low n bits in the accumulator. When done, DROPBITS(n) drops the low n bits off the accumulator. INITBITS() clears the accumulator and sets the number of available bits to zero. BYTEBITS() discards just enough bits to put the accumulator on a byte boundary. After BYTEBITS() and a NEEDBITS(8), then BITS(8) would return the next byte in the stream. NEEDBITS(n) uses PULLBYTE() to get an available byte of input, or to return if there is no input available. The decoding of variable length codes uses PULLBYTE() directly in order to pull just enough bytes to decode the next code, and no more. Some states loop until they get enough input, making sure that enough state information is maintained to continue the loop where it left off if NEEDBITS() returns in the loop. For example, want, need, and keep would all have to actually be part of the saved state in case NEEDBITS() returns: case STATEw: while (want < need) { NEEDBITS(n); keep[want++] = BITS(n); DROPBITS(n); } state = STATEx; case STATEx: As shown above, if the next state is also the next case, then the break is omitted. A state may also return if there is not enough output space available to complete that state. Those states are copying stored data, writing a literal byte, and copying a matching string. When returning, a "goto inf_leave" is used to update the total counters, update the check value, and determine whether any progress has been made during that inflate() call in order to return the proper return code. Progress is defined as a change in either strm->avail_in or strm->avail_out. When there is a window, goto inf_leave will update the window with the last output written. If a goto inf_leave occurs in the middle of decompression and there is no window currently, goto inf_leave will create one and copy output to the window for the next call of inflate(). In this implementation, the flush parameter of inflate() only affects the return code (per zlib.h). inflate() always writes as much as possible to strm->next_out, given the space available and the provided input--the effect documented in zlib.h of Z_SYNC_FLUSH. Furthermore, inflate() always defers the allocation of and copying into a sliding window until necessary, which provides the effect documented in zlib.h for Z_FINISH when the entire input stream available. So the only thing the flush parameter actually does is: when flush is set to Z_FINISH, inflate() cannot return Z_OK. Instead it will return Z_BUF_ERROR if it has not reached the end of the stream. */ func Xinflate(tls *libc.TLS, strm Tz_streamp, flush int32) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) var bits, copy1, have, in, left, len1, out, v46, v48, v49, v50, v52, v53, v64, v66, v70, v75, v76, v90 uint32 var from, next, put, state, v100, v36, v42, v43, v44, v45, v51, v54, v55, v57, v60, v61, v62, v63, v65, v67, v69, v71, v72, v73, v74, v77, v79, v81, v82, v85, v87, v88, v92, v93, v94, v95, p83, p89 uintptr var here, last Tcode var hold, v101, v102, v37, v56, v58, v59, v96, v97, v98 uint64 var ret, v103, v104, v105, v38 int32 var v47, v99 bool var _ /* hbuf at bp+0 */ [4]uint8 _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = bits, copy1, from, have, here, hold, in, last, left, len1, next, out, put, ret, state, v100, v101, v102, v103, v104, v105, v36, v37, v38, v42, v43, v44, v45, v46, v47, v48, v49, v50, v51, v52, v53, v54, v55, v56, v57, v58, v59, v60, v61, v62, v63, v64, v65, v66, v67, v69, v70, v71, v72, v73, v74, v75, v76, v77, v79, v81, v82, v85, v87, v88, v90, v92, v93, v94, v95, v96, v97, v98, v99, p83, p89 /* buffer for gzip header crc calculation */ if _inflateStateCheck(tls, strm) != 0 || (*Tz_stream)(unsafe.Pointer(strm)).Fnext_out == uintptr(m_Z_NULL) || (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in == uintptr(m_Z_NULL) && (*Tz_stream)(unsafe.Pointer(strm)).Favail_in != uint32(0) { return -int32(2) } state = (*Tz_stream)(unsafe.Pointer(strm)).Fstate if (*Tinflate_state)(unsafe.Pointer(state)).Fmode == _TYPE { (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _TYPEDO } /* skip check */ put = (*Tz_stream)(unsafe.Pointer(strm)).Fnext_out left = (*Tz_stream)(unsafe.Pointer(strm)).Favail_out next = (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in have = (*Tz_stream)(unsafe.Pointer(strm)).Favail_in hold = (*Tinflate_state)(unsafe.Pointer(state)).Fhold bits = (*Tinflate_state)(unsafe.Pointer(state)).Fbits in = have out = left ret = m_Z_OK for { switch (*Tinflate_state)(unsafe.Pointer(state)).Fmode { case _HEAD: goto _2 case _FLAGS: goto _3 case _TIME: goto _4 case _OS: goto _5 case _EXLEN: goto _6 case _EXTRA: goto _7 case _NAME: goto _8 case _COMMENT: goto _9 case _HCRC: goto _10 case _DICTID: goto _11 case _DICT: goto _12 case _TYPE: goto _13 case _TYPEDO: goto _14 case _STORED: goto _15 case _COPY_: goto _16 case _COPY: goto _17 case _TABLE: goto _18 case _LENLENS: goto _19 case _CODELENS: goto _20 case _LEN_: goto _21 case _LEN: goto _22 case _LENEXT: goto _23 case _DIST: goto _24 case _DISTEXT: goto _25 case _MATCH: goto _26 case _LIT: goto _27 case _CHECK: goto _28 case _LENGTH: goto _29 case _DONE: goto _30 case _BAD: goto _31 case _MEM: goto _32 default: goto _33 case _SYNC: goto _34 } goto _35 _2: if (*Tinflate_state)(unsafe.Pointer(state)).Fwrap == 0 { (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _TYPEDO goto _35 } for bits < uint32(libc.Int32FromInt32(16)) { if have == uint32(0) { goto inf_leave } have-- v36 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v36))) << bits bits += uint32(8) } if (*Tinflate_state)(unsafe.Pointer(state)).Fwrap&int32(2) != 0 && hold == uint64(0x8b1f) { /* gzip header */ if (*Tinflate_state)(unsafe.Pointer(state)).Fwbits == uint32(0) { (*Tinflate_state)(unsafe.Pointer(state)).Fwbits = uint32(15) } (*Tinflate_state)(unsafe.Pointer(state)).Fcheck = Xcrc32(tls, uint64(0), uintptr(m_Z_NULL), uint32(0)) (*(*[4]uint8)(unsafe.Pointer(bp)))[0] = uint8(hold) (*(*[4]uint8)(unsafe.Pointer(bp)))[int32(1)] = uint8(hold >> libc.Int32FromInt32(8)) (*Tinflate_state)(unsafe.Pointer(state)).Fcheck = Xcrc32(tls, (*Tinflate_state)(unsafe.Pointer(state)).Fcheck, bp, uint32(2)) hold = uint64(0) bits = uint32(0) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _FLAGS goto _35 } if (*Tinflate_state)(unsafe.Pointer(state)).Fhead != uintptr(m_Z_NULL) { (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fdone = -int32(1) } if !((*Tinflate_state)(unsafe.Pointer(state)).Fwrap&libc.Int32FromInt32(1) != 0) || (uint64(uint32(uint32(hold))&(libc.Uint32FromUint32(1)<>int32(8))%uint64(31) != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 306 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _35 } if uint32(uint32(hold))&(libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(4)) bits -= uint32(libc.Int32FromInt32(4)) len1 = uint32(uint32(hold))&(libc.Uint32FromUint32(1)< uint32(15) || len1 > (*Tinflate_state)(unsafe.Pointer(state)).Fwbits { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 356 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _35 } (*Tinflate_state)(unsafe.Pointer(state)).Fdmax = uint32(1) << len1 (*Tinflate_state)(unsafe.Pointer(state)).Fflags = 0 /* indicate zlib header */ v37 = Xadler32(tls, uint64(0), uintptr(m_Z_NULL), uint32(0)) (*Tinflate_state)(unsafe.Pointer(state)).Fcheck = v37 (*Tz_stream)(unsafe.Pointer(strm)).Fadler = v37 if hold&uint64(0x200) != 0 { v38 = _DICTID } else { v38 = _TYPE } (*Tinflate_state)(unsafe.Pointer(state)).Fmode = v38 hold = uint64(0) bits = uint32(0) goto _35 _3: _41: for bits < uint32(libc.Int32FromInt32(16)) { if have == uint32(0) { goto inf_leave } have-- v42 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v42))) << bits bits += uint32(8) } goto _40 _40: if 0 != 0 { goto _41 } goto _39 _39: (*Tinflate_state)(unsafe.Pointer(state)).Fflags = int32(hold) if (*Tinflate_state)(unsafe.Pointer(state)).Fflags&int32(0xff) != int32(m_Z_DEFLATED) { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 329 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _35 } if (*Tinflate_state)(unsafe.Pointer(state)).Fflags&int32(0xe000) != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 376 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _35 } if (*Tinflate_state)(unsafe.Pointer(state)).Fhead != uintptr(m_Z_NULL) { (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Ftext = int32(hold >> libc.Int32FromInt32(8) & libc.Uint64FromInt32(1)) } if (*Tinflate_state)(unsafe.Pointer(state)).Fflags&int32(0x0200) != 0 && (*Tinflate_state)(unsafe.Pointer(state)).Fwrap&int32(4) != 0 { (*(*[4]uint8)(unsafe.Pointer(bp)))[0] = uint8(hold) (*(*[4]uint8)(unsafe.Pointer(bp)))[int32(1)] = uint8(hold >> libc.Int32FromInt32(8)) (*Tinflate_state)(unsafe.Pointer(state)).Fcheck = Xcrc32(tls, (*Tinflate_state)(unsafe.Pointer(state)).Fcheck, bp, uint32(2)) } hold = uint64(0) bits = uint32(0) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _TIME /* fallthrough */ _4: for bits < uint32(libc.Int32FromInt32(32)) { if have == uint32(0) { goto inf_leave } have-- v43 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v43))) << bits bits += uint32(8) } if (*Tinflate_state)(unsafe.Pointer(state)).Fhead != uintptr(m_Z_NULL) { (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Ftime = hold } if (*Tinflate_state)(unsafe.Pointer(state)).Fflags&int32(0x0200) != 0 && (*Tinflate_state)(unsafe.Pointer(state)).Fwrap&int32(4) != 0 { (*(*[4]uint8)(unsafe.Pointer(bp)))[0] = uint8(hold) (*(*[4]uint8)(unsafe.Pointer(bp)))[int32(1)] = uint8(hold >> libc.Int32FromInt32(8)) (*(*[4]uint8)(unsafe.Pointer(bp)))[int32(2)] = uint8(hold >> libc.Int32FromInt32(16)) (*(*[4]uint8)(unsafe.Pointer(bp)))[int32(3)] = uint8(hold >> libc.Int32FromInt32(24)) (*Tinflate_state)(unsafe.Pointer(state)).Fcheck = Xcrc32(tls, (*Tinflate_state)(unsafe.Pointer(state)).Fcheck, bp, uint32(4)) } hold = uint64(0) bits = uint32(0) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _OS /* fallthrough */ _5: for bits < uint32(libc.Int32FromInt32(16)) { if have == uint32(0) { goto inf_leave } have-- v44 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v44))) << bits bits += uint32(8) } if (*Tinflate_state)(unsafe.Pointer(state)).Fhead != uintptr(m_Z_NULL) { (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fxflags = int32(hold & libc.Uint64FromInt32(0xff)) (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fos = int32(hold >> libc.Int32FromInt32(8)) } if (*Tinflate_state)(unsafe.Pointer(state)).Fflags&int32(0x0200) != 0 && (*Tinflate_state)(unsafe.Pointer(state)).Fwrap&int32(4) != 0 { (*(*[4]uint8)(unsafe.Pointer(bp)))[0] = uint8(hold) (*(*[4]uint8)(unsafe.Pointer(bp)))[int32(1)] = uint8(hold >> libc.Int32FromInt32(8)) (*Tinflate_state)(unsafe.Pointer(state)).Fcheck = Xcrc32(tls, (*Tinflate_state)(unsafe.Pointer(state)).Fcheck, bp, uint32(2)) } hold = uint64(0) bits = uint32(0) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _EXLEN /* fallthrough */ _6: if (*Tinflate_state)(unsafe.Pointer(state)).Fflags&int32(0x0400) != 0 { for bits < uint32(libc.Int32FromInt32(16)) { if have == uint32(0) { goto inf_leave } have-- v45 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v45))) << bits bits += uint32(8) } (*Tinflate_state)(unsafe.Pointer(state)).Flength = uint32(hold) if (*Tinflate_state)(unsafe.Pointer(state)).Fhead != uintptr(m_Z_NULL) { (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fextra_len = uint32(uint32(hold)) } if (*Tinflate_state)(unsafe.Pointer(state)).Fflags&int32(0x0200) != 0 && (*Tinflate_state)(unsafe.Pointer(state)).Fwrap&int32(4) != 0 { (*(*[4]uint8)(unsafe.Pointer(bp)))[0] = uint8(hold) (*(*[4]uint8)(unsafe.Pointer(bp)))[int32(1)] = uint8(hold >> libc.Int32FromInt32(8)) (*Tinflate_state)(unsafe.Pointer(state)).Fcheck = Xcrc32(tls, (*Tinflate_state)(unsafe.Pointer(state)).Fcheck, bp, uint32(2)) } hold = uint64(0) bits = uint32(0) } else { if (*Tinflate_state)(unsafe.Pointer(state)).Fhead != uintptr(m_Z_NULL) { (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fextra = uintptr(m_Z_NULL) } } (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _EXTRA /* fallthrough */ _7: if (*Tinflate_state)(unsafe.Pointer(state)).Fflags&int32(0x0400) != 0 { copy1 = (*Tinflate_state)(unsafe.Pointer(state)).Flength if copy1 > have { copy1 = have } if copy1 != 0 { if v47 = (*Tinflate_state)(unsafe.Pointer(state)).Fhead != uintptr(m_Z_NULL) && (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fextra != uintptr(m_Z_NULL); v47 { v46 = (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fextra_len - (*Tinflate_state)(unsafe.Pointer(state)).Flength len1 = v46 } if v47 && v46 < (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fextra_max { if len1+copy1 > (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fextra_max { v48 = (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fextra_max - len1 } else { v48 = copy1 } libc.Xmemcpy(tls, (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fextra+uintptr(len1), next, uint64(v48)) } if (*Tinflate_state)(unsafe.Pointer(state)).Fflags&int32(0x0200) != 0 && (*Tinflate_state)(unsafe.Pointer(state)).Fwrap&int32(4) != 0 { (*Tinflate_state)(unsafe.Pointer(state)).Fcheck = Xcrc32(tls, (*Tinflate_state)(unsafe.Pointer(state)).Fcheck, next, copy1) } have -= copy1 next += uintptr(copy1) *(*uint32)(unsafe.Pointer(state + 92)) -= copy1 } if (*Tinflate_state)(unsafe.Pointer(state)).Flength != 0 { goto inf_leave } } (*Tinflate_state)(unsafe.Pointer(state)).Flength = uint32(0) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _NAME /* fallthrough */ _8: if (*Tinflate_state)(unsafe.Pointer(state)).Fflags&int32(0x0800) != 0 { if have == uint32(0) { goto inf_leave } copy1 = uint32(0) for cond := true; cond; cond = len1 != 0 && copy1 < have { v49 = copy1 copy1++ len1 = uint32(*(*uint8)(unsafe.Pointer(next + uintptr(v49)))) if (*Tinflate_state)(unsafe.Pointer(state)).Fhead != uintptr(m_Z_NULL) && (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fname != uintptr(m_Z_NULL) && (*Tinflate_state)(unsafe.Pointer(state)).Flength < (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fname_max { v51 = state + 92 v50 = *(*uint32)(unsafe.Pointer(v51)) *(*uint32)(unsafe.Pointer(v51))++ *(*TBytef)(unsafe.Pointer((*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fname + uintptr(v50))) = uint8(uint8(len1)) } } if (*Tinflate_state)(unsafe.Pointer(state)).Fflags&int32(0x0200) != 0 && (*Tinflate_state)(unsafe.Pointer(state)).Fwrap&int32(4) != 0 { (*Tinflate_state)(unsafe.Pointer(state)).Fcheck = Xcrc32(tls, (*Tinflate_state)(unsafe.Pointer(state)).Fcheck, next, copy1) } have -= copy1 next += uintptr(copy1) if len1 != 0 { goto inf_leave } } else { if (*Tinflate_state)(unsafe.Pointer(state)).Fhead != uintptr(m_Z_NULL) { (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fname = uintptr(m_Z_NULL) } } (*Tinflate_state)(unsafe.Pointer(state)).Flength = uint32(0) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _COMMENT /* fallthrough */ _9: if (*Tinflate_state)(unsafe.Pointer(state)).Fflags&int32(0x1000) != 0 { if have == uint32(0) { goto inf_leave } copy1 = uint32(0) for cond := true; cond; cond = len1 != 0 && copy1 < have { v52 = copy1 copy1++ len1 = uint32(*(*uint8)(unsafe.Pointer(next + uintptr(v52)))) if (*Tinflate_state)(unsafe.Pointer(state)).Fhead != uintptr(m_Z_NULL) && (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fcomment != uintptr(m_Z_NULL) && (*Tinflate_state)(unsafe.Pointer(state)).Flength < (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fcomm_max { v54 = state + 92 v53 = *(*uint32)(unsafe.Pointer(v54)) *(*uint32)(unsafe.Pointer(v54))++ *(*TBytef)(unsafe.Pointer((*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fcomment + uintptr(v53))) = uint8(uint8(len1)) } } if (*Tinflate_state)(unsafe.Pointer(state)).Fflags&int32(0x0200) != 0 && (*Tinflate_state)(unsafe.Pointer(state)).Fwrap&int32(4) != 0 { (*Tinflate_state)(unsafe.Pointer(state)).Fcheck = Xcrc32(tls, (*Tinflate_state)(unsafe.Pointer(state)).Fcheck, next, copy1) } have -= copy1 next += uintptr(copy1) if len1 != 0 { goto inf_leave } } else { if (*Tinflate_state)(unsafe.Pointer(state)).Fhead != uintptr(m_Z_NULL) { (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fcomment = uintptr(m_Z_NULL) } } (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _HCRC /* fallthrough */ _10: if (*Tinflate_state)(unsafe.Pointer(state)).Fflags&int32(0x0200) != 0 { for bits < uint32(libc.Int32FromInt32(16)) { if have == uint32(0) { goto inf_leave } have-- v55 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v55))) << bits bits += uint32(8) } if (*Tinflate_state)(unsafe.Pointer(state)).Fwrap&int32(4) != 0 && hold != (*Tinflate_state)(unsafe.Pointer(state)).Fcheck&uint64(0xffff) { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 401 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _35 } hold = uint64(0) bits = uint32(0) } if (*Tinflate_state)(unsafe.Pointer(state)).Fhead != uintptr(m_Z_NULL) { (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fhcrc = (*Tinflate_state)(unsafe.Pointer(state)).Fflags >> libc.Int32FromInt32(9) & libc.Int32FromInt32(1) (*Tgz_header)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fhead)).Fdone = int32(1) } v56 = Xcrc32(tls, uint64(0), uintptr(m_Z_NULL), uint32(0)) (*Tinflate_state)(unsafe.Pointer(state)).Fcheck = v56 (*Tz_stream)(unsafe.Pointer(strm)).Fadler = v56 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _TYPE goto _35 _11: for bits < uint32(libc.Int32FromInt32(32)) { if have == uint32(0) { goto inf_leave } have-- v57 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v57))) << bits bits += uint32(8) } v58 = hold>>libc.Int32FromInt32(24)&libc.Uint64FromInt32(0xff) + hold>>libc.Int32FromInt32(8)&libc.Uint64FromInt32(0xff00) + hold&libc.Uint64FromInt32(0xff00)<>= uint64(bits & uint32(7)) bits -= bits & uint32(7) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _CHECK goto _35 } for bits < uint32(libc.Int32FromInt32(3)) { if have == uint32(0) { goto inf_leave } have-- v60 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v60))) << bits bits += uint32(8) } (*Tinflate_state)(unsafe.Pointer(state)).Flast = int32(uint32(uint32(hold)) & (libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(1)) bits -= uint32(libc.Int32FromInt32(1)) switch uint32(uint32(hold)) & (libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(2)) bits -= uint32(libc.Int32FromInt32(2)) goto inf_leave } case uint32(2): (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _TABLE case uint32(3): (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 4 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD } hold >>= uint64(libc.Int32FromInt32(2)) bits -= uint32(libc.Int32FromInt32(2)) goto _35 _15: hold >>= uint64(bits & uint32(7)) bits -= bits & uint32(7) /* go to byte boundary */ for bits < uint32(libc.Int32FromInt32(32)) { if have == uint32(0) { goto inf_leave } have-- v61 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v61))) << bits bits += uint32(8) } if hold&uint64(0xffff) != hold>>int32(16)^uint64(0xffff) { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 23 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _35 } (*Tinflate_state)(unsafe.Pointer(state)).Flength = uint32(uint32(hold)) & uint32(0xffff) hold = uint64(0) bits = uint32(0) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _COPY_ if flush == int32(m_Z_TREES) { goto inf_leave } /* fallthrough */ _16: (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _COPY /* fallthrough */ _17: copy1 = (*Tinflate_state)(unsafe.Pointer(state)).Flength if copy1 != 0 { if copy1 > have { copy1 = have } if copy1 > left { copy1 = left } if copy1 == uint32(0) { goto inf_leave } libc.Xmemcpy(tls, put, next, uint64(uint64(copy1))) have -= copy1 next += uintptr(copy1) left -= copy1 put += uintptr(copy1) *(*uint32)(unsafe.Pointer(state + 92)) -= copy1 goto _35 } (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _TYPE goto _35 _18: for bits < uint32(libc.Int32FromInt32(14)) { if have == uint32(0) { goto inf_leave } have-- v62 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v62))) << bits bits += uint32(8) } (*Tinflate_state)(unsafe.Pointer(state)).Fnlen = uint32(uint32(hold))&(libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(5)) bits -= uint32(libc.Int32FromInt32(5)) (*Tinflate_state)(unsafe.Pointer(state)).Fndist = uint32(uint32(hold))&(libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(5)) bits -= uint32(libc.Int32FromInt32(5)) (*Tinflate_state)(unsafe.Pointer(state)).Fncode = uint32(uint32(hold))&(libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(4)) bits -= uint32(libc.Int32FromInt32(4)) if (*Tinflate_state)(unsafe.Pointer(state)).Fnlen > uint32(286) || (*Tinflate_state)(unsafe.Pointer(state)).Fndist > uint32(30) { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 52 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _35 } (*Tinflate_state)(unsafe.Pointer(state)).Fhave = uint32(0) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _LENLENS /* fallthrough */ _19: for (*Tinflate_state)(unsafe.Pointer(state)).Fhave < (*Tinflate_state)(unsafe.Pointer(state)).Fncode { for bits < uint32(libc.Int32FromInt32(3)) { if have == uint32(0) { goto inf_leave } have-- v63 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v63))) << bits bits += uint32(8) } v65 = state + 140 v64 = *(*uint32)(unsafe.Pointer(v65)) *(*uint32)(unsafe.Pointer(v65))++ *(*uint16)(unsafe.Pointer(state + 152 + uintptr(_order1[v64])*2)) = uint16(uint32(uint32(hold)) & (libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(3)) bits -= uint32(libc.Int32FromInt32(3)) } for (*Tinflate_state)(unsafe.Pointer(state)).Fhave < uint32(19) { v67 = state + 140 v66 = *(*uint32)(unsafe.Pointer(v67)) *(*uint32)(unsafe.Pointer(v67))++ *(*uint16)(unsafe.Pointer(state + 152 + uintptr(_order1[v66])*2)) = uint16(0) } (*Tinflate_state)(unsafe.Pointer(state)).Fnext = state + 1368 (*Tinflate_state)(unsafe.Pointer(state)).Flencode = (*Tinflate_state)(unsafe.Pointer(state)).Fnext (*Tinflate_state)(unsafe.Pointer(state)).Flenbits = uint32(7) ret = Xinflate_table(tls, _CODES, state+152, uint32(19), state+144, state+120, state+792) if ret != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 88 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _35 } (*Tinflate_state)(unsafe.Pointer(state)).Fhave = uint32(0) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _CODELENS /* fallthrough */ _20: for (*Tinflate_state)(unsafe.Pointer(state)).Fhave < (*Tinflate_state)(unsafe.Pointer(state)).Fnlen+(*Tinflate_state)(unsafe.Pointer(state)).Fndist { for { here = *(*Tcode)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Flencode + uintptr(uint32(uint32(hold))&(libc.Uint32FromUint32(1)<<(*Tinflate_state)(unsafe.Pointer(state)).Flenbits-libc.Uint32FromInt32(1)))*4)) if uint32(here.Fbits) <= bits { break } if have == uint32(0) { goto inf_leave } have-- v69 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v69))) << bits bits += uint32(8) goto _68 _68: } if int32(here.Fval) < int32(16) { hold >>= uint64(here.Fbits) bits -= uint32(here.Fbits) v71 = state + 140 v70 = *(*uint32)(unsafe.Pointer(v71)) *(*uint32)(unsafe.Pointer(v71))++ *(*uint16)(unsafe.Pointer(state + 152 + uintptr(v70)*2)) = here.Fval } else { if int32(here.Fval) == int32(16) { for bits < uint32(int32(here.Fbits)+libc.Int32FromInt32(2)) { if have == uint32(0) { goto inf_leave } have-- v72 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v72))) << bits bits += uint32(8) } hold >>= uint64(here.Fbits) bits -= uint32(here.Fbits) if (*Tinflate_state)(unsafe.Pointer(state)).Fhave == uint32(0) { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 113 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD break } len1 = uint32(*(*uint16)(unsafe.Pointer(state + 152 + uintptr((*Tinflate_state)(unsafe.Pointer(state)).Fhave-uint32(1))*2))) copy1 = uint32(3) + uint32(uint32(hold))&(libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(2)) bits -= uint32(libc.Int32FromInt32(2)) } else { if int32(here.Fval) == int32(17) { for bits < uint32(int32(here.Fbits)+libc.Int32FromInt32(3)) { if have == uint32(0) { goto inf_leave } have-- v73 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v73))) << bits bits += uint32(8) } hold >>= uint64(here.Fbits) bits -= uint32(here.Fbits) len1 = uint32(0) copy1 = uint32(3) + uint32(uint32(hold))&(libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(3)) bits -= uint32(libc.Int32FromInt32(3)) } else { for bits < uint32(int32(here.Fbits)+libc.Int32FromInt32(7)) { if have == uint32(0) { goto inf_leave } have-- v74 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v74))) << bits bits += uint32(8) } hold >>= uint64(here.Fbits) bits -= uint32(here.Fbits) len1 = uint32(0) copy1 = uint32(11) + uint32(uint32(hold))&(libc.Uint32FromUint32(1)<>= uint64(libc.Int32FromInt32(7)) bits -= uint32(libc.Int32FromInt32(7)) } } if (*Tinflate_state)(unsafe.Pointer(state)).Fhave+copy1 > (*Tinflate_state)(unsafe.Pointer(state)).Fnlen+(*Tinflate_state)(unsafe.Pointer(state)).Fndist { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 113 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD break } for { v75 = copy1 copy1-- if !(v75 != 0) { break } v77 = state + 140 v76 = *(*uint32)(unsafe.Pointer(v77)) *(*uint32)(unsafe.Pointer(v77))++ *(*uint16)(unsafe.Pointer(state + 152 + uintptr(v76)*2)) = uint16(uint16(len1)) } } } /* handle error breaks in while */ if (*Tinflate_state)(unsafe.Pointer(state)).Fmode == _BAD { goto _35 } /* check for end-of-block code (better have one) */ if int32(*(*uint16)(unsafe.Pointer(state + 152 + 256*2))) == 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 139 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _35 } /* build code tables -- note: do not change the lenbits or distbits values here (9 and 6) without reading the comments in inftrees.h concerning the ENOUGH constants, which depend on those values */ (*Tinflate_state)(unsafe.Pointer(state)).Fnext = state + 1368 (*Tinflate_state)(unsafe.Pointer(state)).Flencode = (*Tinflate_state)(unsafe.Pointer(state)).Fnext (*Tinflate_state)(unsafe.Pointer(state)).Flenbits = uint32(9) ret = Xinflate_table(tls, _LENS, state+152, (*Tinflate_state)(unsafe.Pointer(state)).Fnlen, state+144, state+120, state+792) if ret != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 176 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _35 } (*Tinflate_state)(unsafe.Pointer(state)).Fdistcode = (*Tinflate_state)(unsafe.Pointer(state)).Fnext (*Tinflate_state)(unsafe.Pointer(state)).Fdistbits = uint32(6) ret = Xinflate_table(tls, _DISTS, state+152+uintptr((*Tinflate_state)(unsafe.Pointer(state)).Fnlen)*2, (*Tinflate_state)(unsafe.Pointer(state)).Fndist, state+144, state+124, state+792) if ret != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 204 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _35 } (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _LEN_ if flush == int32(m_Z_TREES) { goto inf_leave } /* fallthrough */ _21: (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _LEN /* fallthrough */ _22: if have >= uint32(6) && left >= uint32(258) { (*Tz_stream)(unsafe.Pointer(strm)).Fnext_out = put (*Tz_stream)(unsafe.Pointer(strm)).Favail_out = left (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in = next (*Tz_stream)(unsafe.Pointer(strm)).Favail_in = have (*Tinflate_state)(unsafe.Pointer(state)).Fhold = hold (*Tinflate_state)(unsafe.Pointer(state)).Fbits = bits Xinflate_fast(tls, strm, out) put = (*Tz_stream)(unsafe.Pointer(strm)).Fnext_out left = (*Tz_stream)(unsafe.Pointer(strm)).Favail_out next = (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in have = (*Tz_stream)(unsafe.Pointer(strm)).Favail_in hold = (*Tinflate_state)(unsafe.Pointer(state)).Fhold bits = (*Tinflate_state)(unsafe.Pointer(state)).Fbits if (*Tinflate_state)(unsafe.Pointer(state)).Fmode == _TYPE { (*Tinflate_state)(unsafe.Pointer(state)).Fback = -int32(1) } goto _35 } (*Tinflate_state)(unsafe.Pointer(state)).Fback = 0 for { here = *(*Tcode)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Flencode + uintptr(uint32(uint32(hold))&(libc.Uint32FromUint32(1)<<(*Tinflate_state)(unsafe.Pointer(state)).Flenbits-libc.Uint32FromInt32(1)))*4)) if uint32(here.Fbits) <= bits { break } if have == uint32(0) { goto inf_leave } have-- v79 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v79))) << bits bits += uint32(8) goto _78 _78: } if here.Fop != 0 && int32(here.Fop)&int32(0xf0) == 0 { last = here for { here = *(*Tcode)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Flencode + uintptr(uint32(last.Fval)+uint32(uint32(hold))&(uint32(1)<<(int32(last.Fbits)+int32(last.Fop))-uint32(1))>>last.Fbits)*4)) if uint32(int32(last.Fbits)+int32(here.Fbits)) <= bits { break } if have == uint32(0) { goto inf_leave } have-- v81 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v81))) << bits bits += uint32(8) goto _80 _80: } hold >>= uint64(last.Fbits) bits -= uint32(last.Fbits) *(*int32)(unsafe.Pointer(state + 7148)) += int32(last.Fbits) } hold >>= uint64(here.Fbits) bits -= uint32(here.Fbits) *(*int32)(unsafe.Pointer(state + 7148)) += int32(here.Fbits) (*Tinflate_state)(unsafe.Pointer(state)).Flength = uint32(here.Fval) if int32(here.Fop) == 0 { (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _LIT goto _35 } if int32(here.Fop)&int32(32) != 0 { (*Tinflate_state)(unsafe.Pointer(state)).Fback = -int32(1) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _TYPE goto _35 } if int32(here.Fop)&int32(64) != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 226 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _35 } (*Tinflate_state)(unsafe.Pointer(state)).Fextra = uint32(here.Fop) & uint32(15) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _LENEXT /* fallthrough */ _23: if (*Tinflate_state)(unsafe.Pointer(state)).Fextra != 0 { for bits < (*Tinflate_state)(unsafe.Pointer(state)).Fextra { if have == uint32(0) { goto inf_leave } have-- v82 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v82))) << bits bits += uint32(8) } *(*uint32)(unsafe.Pointer(state + 92)) += uint32(uint32(hold)) & (uint32(1)<<(*Tinflate_state)(unsafe.Pointer(state)).Fextra - uint32(1)) hold >>= uint64((*Tinflate_state)(unsafe.Pointer(state)).Fextra) bits -= (*Tinflate_state)(unsafe.Pointer(state)).Fextra p83 = state + 7148 *(*int32)(unsafe.Pointer(p83)) = int32(uint32(*(*int32)(unsafe.Pointer(p83))) + (*Tinflate_state)(unsafe.Pointer(state)).Fextra) } (*Tinflate_state)(unsafe.Pointer(state)).Fwas = (*Tinflate_state)(unsafe.Pointer(state)).Flength (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _DIST /* fallthrough */ _24: for { here = *(*Tcode)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fdistcode + uintptr(uint32(uint32(hold))&(libc.Uint32FromUint32(1)<<(*Tinflate_state)(unsafe.Pointer(state)).Fdistbits-libc.Uint32FromInt32(1)))*4)) if uint32(here.Fbits) <= bits { break } if have == uint32(0) { goto inf_leave } have-- v85 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v85))) << bits bits += uint32(8) goto _84 _84: } if int32(here.Fop)&int32(0xf0) == 0 { last = here for { here = *(*Tcode)(unsafe.Pointer((*Tinflate_state)(unsafe.Pointer(state)).Fdistcode + uintptr(uint32(last.Fval)+uint32(uint32(hold))&(uint32(1)<<(int32(last.Fbits)+int32(last.Fop))-uint32(1))>>last.Fbits)*4)) if uint32(int32(last.Fbits)+int32(here.Fbits)) <= bits { break } if have == uint32(0) { goto inf_leave } have-- v87 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v87))) << bits bits += uint32(8) goto _86 _86: } hold >>= uint64(last.Fbits) bits -= uint32(last.Fbits) *(*int32)(unsafe.Pointer(state + 7148)) += int32(last.Fbits) } hold >>= uint64(here.Fbits) bits -= uint32(here.Fbits) *(*int32)(unsafe.Pointer(state + 7148)) += int32(here.Fbits) if int32(here.Fop)&int32(64) != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 254 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _35 } (*Tinflate_state)(unsafe.Pointer(state)).Foffset = uint32(here.Fval) (*Tinflate_state)(unsafe.Pointer(state)).Fextra = uint32(here.Fop) & uint32(15) (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _DISTEXT /* fallthrough */ _25: if (*Tinflate_state)(unsafe.Pointer(state)).Fextra != 0 { for bits < (*Tinflate_state)(unsafe.Pointer(state)).Fextra { if have == uint32(0) { goto inf_leave } have-- v88 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v88))) << bits bits += uint32(8) } *(*uint32)(unsafe.Pointer(state + 96)) += uint32(uint32(hold)) & (uint32(1)<<(*Tinflate_state)(unsafe.Pointer(state)).Fextra - uint32(1)) hold >>= uint64((*Tinflate_state)(unsafe.Pointer(state)).Fextra) bits -= (*Tinflate_state)(unsafe.Pointer(state)).Fextra p89 = state + 7148 *(*int32)(unsafe.Pointer(p89)) = int32(uint32(*(*int32)(unsafe.Pointer(p89))) + (*Tinflate_state)(unsafe.Pointer(state)).Fextra) } (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _MATCH /* fallthrough */ _26: if left == uint32(0) { goto inf_leave } copy1 = out - left if (*Tinflate_state)(unsafe.Pointer(state)).Foffset > copy1 { /* copy from window */ copy1 = (*Tinflate_state)(unsafe.Pointer(state)).Foffset - copy1 if copy1 > (*Tinflate_state)(unsafe.Pointer(state)).Fwhave { if (*Tinflate_state)(unsafe.Pointer(state)).Fsane != 0 { (*Tz_stream)(unsafe.Pointer(strm)).Fmsg = __ccgo_ts + 276 (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _BAD goto _35 } } if copy1 > (*Tinflate_state)(unsafe.Pointer(state)).Fwnext { copy1 -= (*Tinflate_state)(unsafe.Pointer(state)).Fwnext from = (*Tinflate_state)(unsafe.Pointer(state)).Fwindow + uintptr((*Tinflate_state)(unsafe.Pointer(state)).Fwsize-copy1) } else { from = (*Tinflate_state)(unsafe.Pointer(state)).Fwindow + uintptr((*Tinflate_state)(unsafe.Pointer(state)).Fwnext-copy1) } if copy1 > (*Tinflate_state)(unsafe.Pointer(state)).Flength { copy1 = (*Tinflate_state)(unsafe.Pointer(state)).Flength } } else { /* copy from output */ from = put - uintptr((*Tinflate_state)(unsafe.Pointer(state)).Foffset) copy1 = (*Tinflate_state)(unsafe.Pointer(state)).Flength } if copy1 > left { copy1 = left } left -= copy1 *(*uint32)(unsafe.Pointer(state + 92)) -= copy1 for { v92 = put put++ v93 = from from++ *(*uint8)(unsafe.Pointer(v92)) = *(*uint8)(unsafe.Pointer(v93)) goto _91 _91: copy1-- v90 = copy1 if !(v90 != 0) { break } } if (*Tinflate_state)(unsafe.Pointer(state)).Flength == uint32(0) { (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _LEN } goto _35 _27: if left == uint32(0) { goto inf_leave } v94 = put put++ *(*uint8)(unsafe.Pointer(v94)) = uint8((*Tinflate_state)(unsafe.Pointer(state)).Flength) left-- (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _LEN goto _35 _28: if (*Tinflate_state)(unsafe.Pointer(state)).Fwrap != 0 { for bits < uint32(libc.Int32FromInt32(32)) { if have == uint32(0) { goto inf_leave } have-- v95 = next next++ hold += uint64(*(*uint8)(unsafe.Pointer(v95))) << bits bits += uint32(8) } out -= left *(*TuLong)(unsafe.Pointer(strm + 40)) += uint64(uint64(out)) *(*uint64)(unsafe.Pointer(state + 40)) += uint64(uint64(out)) if (*Tinflate_state)(unsafe.Pointer(state)).Fwrap&int32(4) != 0 && out != 0 { if (*Tinflate_state)(unsafe.Pointer(state)).Fflags != 0 { v97 = Xcrc32(tls, (*Tinflate_state)(unsafe.Pointer(state)).Fcheck, put-uintptr(out), out) } else { v97 = Xadler32(tls, (*Tinflate_state)(unsafe.Pointer(state)).Fcheck, put-uintptr(out), out) } v96 = v97 (*Tinflate_state)(unsafe.Pointer(state)).Fcheck = v96 (*Tz_stream)(unsafe.Pointer(strm)).Fadler = v96 } out = left if v99 = (*Tinflate_state)(unsafe.Pointer(state)).Fwrap&int32(4) != 0; v99 { if (*Tinflate_state)(unsafe.Pointer(state)).Fflags != 0 { v98 = hold } else { v98 = hold>>int32(24)&uint64(0xff) + hold>>int32(8)&uint64(0xff00) + hold&uint64(0xff00)<= uint32(8) { v1 = len1 len1++ (*(*[4]uint8)(unsafe.Pointer(bp)))[v1] = uint8((*Tinflate_state)(unsafe.Pointer(state)).Fhold) *(*uint64)(unsafe.Pointer(state + 80)) >>= uint64(8) *(*uint32)(unsafe.Pointer(state + 88)) -= uint32(8) } (*Tinflate_state)(unsafe.Pointer(state)).Fhave = uint32(0) _syncsearch(tls, state+140, bp, len1) } /* search available input */ len1 = _syncsearch(tls, state+140, (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in, (*Tz_stream)(unsafe.Pointer(strm)).Favail_in) *(*TuInt)(unsafe.Pointer(strm + 8)) -= len1 *(*uintptr)(unsafe.Pointer(strm)) += uintptr(len1) *(*TuLong)(unsafe.Pointer(strm + 16)) += uint64(uint64(len1)) /* return no joy or set up to restart inflate() on a new block */ if (*Tinflate_state)(unsafe.Pointer(state)).Fhave != uint32(4) { return -int32(3) } if (*Tinflate_state)(unsafe.Pointer(state)).Fflags == -int32(1) { (*Tinflate_state)(unsafe.Pointer(state)).Fwrap = 0 } else { *(*int32)(unsafe.Pointer(state + 16)) &= ^libc.Int32FromInt32(4) } /* no point in computing a check value now */ flags = (*Tinflate_state)(unsafe.Pointer(state)).Fflags in = (*Tz_stream)(unsafe.Pointer(strm)).Ftotal_in out = (*Tz_stream)(unsafe.Pointer(strm)).Ftotal_out XinflateReset(tls, strm) (*Tz_stream)(unsafe.Pointer(strm)).Ftotal_in = in (*Tz_stream)(unsafe.Pointer(strm)).Ftotal_out = out (*Tinflate_state)(unsafe.Pointer(state)).Fflags = flags (*Tinflate_state)(unsafe.Pointer(state)).Fmode = _TYPE return m_Z_OK } // C documentation // // /* // Returns true if inflate is currently at the end of a block generated by // Z_SYNC_FLUSH or Z_FULL_FLUSH. This function is used by one PPP // implementation to provide an additional safety check. PPP uses // Z_SYNC_FLUSH but removes the length bytes of the resulting empty stored // block. When decompressing, PPP checks that at the end of input packet, // inflate is waiting for these length bytes. // */ func XinflateSyncPoint(tls *libc.TLS, strm Tz_streamp) (r int32) { var state uintptr _ = state if _inflateStateCheck(tls, strm) != 0 { return -int32(2) } state = (*Tz_stream)(unsafe.Pointer(strm)).Fstate return libc.BoolInt32((*Tinflate_state)(unsafe.Pointer(state)).Fmode == _STORED && (*Tinflate_state)(unsafe.Pointer(state)).Fbits == uint32(0)) } func XinflateCopy(tls *libc.TLS, dest Tz_streamp, source Tz_streamp) (r int32) { var copy1, state, window uintptr var wsize uint32 _, _, _, _ = copy1, state, window, wsize /* check input */ if _inflateStateCheck(tls, source) != 0 || dest == uintptr(m_Z_NULL) { return -int32(2) } state = (*Tz_stream)(unsafe.Pointer(source)).Fstate /* allocate space */ copy1 = (*(*func(*libc.TLS, Tvoidpf, TuInt, TuInt) Tvoidpf)(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(source)).Fzalloc})))(tls, (*Tz_stream)(unsafe.Pointer(source)).Fopaque, uint32(libc.Int32FromInt32(1)), uint32(libc.Uint64FromInt64(7160))) if copy1 == uintptr(m_Z_NULL) { return -int32(4) } window = uintptr(m_Z_NULL) if (*Tinflate_state)(unsafe.Pointer(state)).Fwindow != uintptr(m_Z_NULL) { window = (*(*func(*libc.TLS, Tvoidpf, TuInt, TuInt) Tvoidpf)(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(source)).Fzalloc})))(tls, (*Tz_stream)(unsafe.Pointer(source)).Fopaque, libc.Uint32FromUint32(1)<<(*Tinflate_state)(unsafe.Pointer(state)).Fwbits, uint32(libc.Uint64FromInt64(1))) if window == uintptr(m_Z_NULL) { (*(*func(*libc.TLS, Tvoidpf, Tvoidpf))(unsafe.Pointer(&struct{ uintptr }{(*Tz_stream)(unsafe.Pointer(source)).Fzfree})))(tls, (*Tz_stream)(unsafe.Pointer(source)).Fopaque, copy1) return -int32(4) } } /* copy state */ libc.Xmemcpy(tls, dest, source, uint64(112)) libc.Xmemcpy(tls, copy1, state, uint64(7160)) (*Tinflate_state)(unsafe.Pointer(copy1)).Fstrm = dest if (*Tinflate_state)(unsafe.Pointer(state)).Flencode >= state+1368 && (*Tinflate_state)(unsafe.Pointer(state)).Flencode <= state+1368+uintptr(libc.Int32FromInt32(m_ENOUGH_LENS)+libc.Int32FromInt32(m_ENOUGH_DISTS))*4-uintptr(1)*4 { (*Tinflate_state)(unsafe.Pointer(copy1)).Flencode = copy1 + 1368 + uintptr((int64((*Tinflate_state)(unsafe.Pointer(state)).Flencode)-t__predefined_ptrdiff_t(state+1368))/4)*4 (*Tinflate_state)(unsafe.Pointer(copy1)).Fdistcode = copy1 + 1368 + uintptr((int64((*Tinflate_state)(unsafe.Pointer(state)).Fdistcode)-t__predefined_ptrdiff_t(state+1368))/4)*4 } (*Tinflate_state)(unsafe.Pointer(copy1)).Fnext = copy1 + 1368 + uintptr((int64((*Tinflate_state)(unsafe.Pointer(state)).Fnext)-t__predefined_ptrdiff_t(state+1368))/4)*4 if window != uintptr(m_Z_NULL) { wsize = uint32(1) << (*Tinflate_state)(unsafe.Pointer(state)).Fwbits libc.Xmemcpy(tls, window, (*Tinflate_state)(unsafe.Pointer(state)).Fwindow, uint64(uint64(wsize))) } (*Tinflate_state)(unsafe.Pointer(copy1)).Fwindow = window (*Tz_stream)(unsafe.Pointer(dest)).Fstate = copy1 return m_Z_OK } func XinflateUndermine(tls *libc.TLS, strm Tz_streamp, subvert int32) (r int32) { var state uintptr _ = state if _inflateStateCheck(tls, strm) != 0 { return -int32(2) } state = (*Tz_stream)(unsafe.Pointer(strm)).Fstate _ = subvert (*Tinflate_state)(unsafe.Pointer(state)).Fsane = int32(1) return -int32(3) } func XinflateValidate(tls *libc.TLS, strm Tz_streamp, check int32) (r int32) { var state uintptr _ = state if _inflateStateCheck(tls, strm) != 0 { return -int32(2) } state = (*Tz_stream)(unsafe.Pointer(strm)).Fstate if check != 0 && (*Tinflate_state)(unsafe.Pointer(state)).Fwrap != 0 { *(*int32)(unsafe.Pointer(state + 16)) |= int32(4) } else { *(*int32)(unsafe.Pointer(state + 16)) &= ^libc.Int32FromInt32(4) } return m_Z_OK } func XinflateMark(tls *libc.TLS, strm Tz_streamp) (r int64) { var state uintptr var v1, v2 uint32 _, _, _ = state, v1, v2 if _inflateStateCheck(tls, strm) != 0 { return -(libc.Int64FromInt64(1) << libc.Int32FromInt32(16)) } state = (*Tz_stream)(unsafe.Pointer(strm)).Fstate if (*Tinflate_state)(unsafe.Pointer(state)).Fmode == _COPY { v1 = (*Tinflate_state)(unsafe.Pointer(state)).Flength } else { if (*Tinflate_state)(unsafe.Pointer(state)).Fmode == _MATCH { v2 = (*Tinflate_state)(unsafe.Pointer(state)).Fwas - (*Tinflate_state)(unsafe.Pointer(state)).Flength } else { v2 = uint32(0) } v1 = v2 } return int64(uint64(int64((*Tinflate_state)(unsafe.Pointer(state)).Fback))<= uint32(1)) { break } if int32((*(*[16]uint16)(unsafe.Pointer(bp)))[max]) != 0 { break } goto _3 _3: max-- } if root > max { root = max } if max == uint32(0) { /* no symbols to code at all */ here.Fop = libc.Uint8FromInt32(64) /* invalid code marker */ here.Fbits = libc.Uint8FromInt32(1) here.Fval = libc.Uint16FromInt32(0) v5 = table v4 = *(*uintptr)(unsafe.Pointer(v5)) *(*uintptr)(unsafe.Pointer(v5)) += 4 *(*Tcode)(unsafe.Pointer(v4)) = here /* make a table to force an error */ v7 = table v6 = *(*uintptr)(unsafe.Pointer(v7)) *(*uintptr)(unsafe.Pointer(v7)) += 4 *(*Tcode)(unsafe.Pointer(v6)) = here *(*uint32)(unsafe.Pointer(bits)) = uint32(1) return 0 /* no symbols, but wait for decoding to report error */ } min = uint32(1) for { if !(min < max) { break } if int32((*(*[16]uint16)(unsafe.Pointer(bp)))[min]) != 0 { break } goto _8 _8: min++ } if root < min { root = min } /* check for an over-subscribed or incomplete set of lengths */ left = int32(1) len1 = uint32(1) for { if !(len1 <= uint32(m_MAXBITS)) { break } left <<= int32(1) left -= int32((*(*[16]uint16)(unsafe.Pointer(bp)))[len1]) if left < 0 { return -int32(1) } /* over-subscribed */ goto _9 _9: len1++ } if left > 0 && (int32(type1) == _CODES || max != uint32(1)) { return -int32(1) } /* incomplete set */ /* generate offsets into symbol table for each length for sorting */ (*(*[16]uint16)(unsafe.Pointer(bp + 32)))[int32(1)] = uint16(0) len1 = uint32(1) for { if !(len1 < uint32(m_MAXBITS)) { break } (*(*[16]uint16)(unsafe.Pointer(bp + 32)))[len1+uint32(1)] = uint16(int32((*(*[16]uint16)(unsafe.Pointer(bp + 32)))[len1]) + int32((*(*[16]uint16)(unsafe.Pointer(bp)))[len1])) goto _10 _10: len1++ } /* sort symbols by length, by symbol order within each length */ sym = uint32(0) for { if !(sym < codes) { break } if int32(*(*uint16)(unsafe.Pointer(lens + uintptr(sym)*2))) != 0 { v13 = bp + 32 + uintptr(*(*uint16)(unsafe.Pointer(lens + uintptr(sym)*2)))*2 v12 = *(*uint16)(unsafe.Pointer(v13)) *(*uint16)(unsafe.Pointer(v13))++ *(*uint16)(unsafe.Pointer(work + uintptr(v12)*2)) = uint16(uint16(sym)) } goto _11 _11: sym++ } /* Create and fill in decoding tables. In this loop, the table being filled is at next and has curr index bits. The code being used is huff with length len. That code is converted to an index by dropping drop bits off of the bottom. For codes where len is less than drop + curr, those top drop + curr - len bits are incremented through all values to fill the table with replicated entries. root is the number of index bits for the root table. When len exceeds root, sub-tables are created pointed to by the root entry with an index of the low root bits of huff. This is saved in low to check for when a new sub-table should be started. drop is zero when the root table is being filled, and drop is root when sub-tables are being filled. When a new sub-table is needed, it is necessary to look ahead in the code lengths to determine what size sub-table is needed. The length counts are used for this, and so count[] is decremented as codes are entered in the tables. used keeps track of how many table entries have been allocated from the provided *table space. It is checked for LENS and DIST tables against the constants ENOUGH_LENS and ENOUGH_DISTS to guard against changes in the initial root table size constants. See the comments in inftrees.h for more information. sym increments through all symbols, and the loop terminates when all codes of length max, i.e. all codes, have been processed. This routine permits incomplete codes, so another loop after this one fills in the rest of the decoding tables with invalid code markers. */ /* set up for code type */ switch type1 { case _CODES: v14 = work extra = v14 base = v14 /* dummy value--not used */ match = uint32(20) case _LENS: base = uintptr(unsafe.Pointer(&_lbase)) extra = uintptr(unsafe.Pointer(&_lext)) match = uint32(257) default: /* DISTS */ base = uintptr(unsafe.Pointer(&_dbase)) extra = uintptr(unsafe.Pointer(&_dext)) match = uint32(0) } /* initialize state for loop */ huff = uint32(0) /* starting code */ sym = uint32(0) /* starting code symbol */ len1 = min /* starting code length */ next = *(*uintptr)(unsafe.Pointer(table)) /* current table to fill in */ curr = root /* current table index bits */ drop = uint32(0) /* current bits to drop from code for index */ low = uint32(-libc.Int32FromInt32(1)) /* trigger new sub-table when len > root */ used = uint32(1) << root /* use root table entries */ mask = used - uint32(1) /* mask for comparing low */ /* check available table space */ if int32(type1) == _LENS && used > uint32(m_ENOUGH_LENS) || int32(type1) == _DISTS && used > uint32(m_ENOUGH_DISTS) { return int32(1) } /* process all codes and make table entries */ for { /* create table entry */ here.Fbits = uint8(len1 - drop) if uint32(*(*uint16)(unsafe.Pointer(work + uintptr(sym)*2)))+uint32(1) < match { here.Fop = libc.Uint8FromInt32(0) here.Fval = *(*uint16)(unsafe.Pointer(work + uintptr(sym)*2)) } else { if uint32(*(*uint16)(unsafe.Pointer(work + uintptr(sym)*2))) >= match { here.Fop = uint8(*(*uint16)(unsafe.Pointer(extra + uintptr(uint32(*(*uint16)(unsafe.Pointer(work + uintptr(sym)*2)))-match)*2))) here.Fval = *(*uint16)(unsafe.Pointer(base + uintptr(uint32(*(*uint16)(unsafe.Pointer(work + uintptr(sym)*2)))-match)*2)) } else { here.Fop = uint8(libc.Int32FromInt32(32) + libc.Int32FromInt32(64)) /* end of block */ here.Fval = uint16(0) } } /* replicate for those indices with low len bits equal to huff */ incr = uint32(1) << (len1 - drop) fill = uint32(1) << curr min = fill /* save offset to next table */ for cond := true; cond; cond = fill != uint32(0) { fill -= incr *(*Tcode)(unsafe.Pointer(next + uintptr(huff>>drop+fill)*4)) = here } /* backwards increment the len-bit code huff */ incr = uint32(1) << (len1 - uint32(1)) for huff&incr != 0 { incr >>= uint32(1) } if incr != uint32(0) { huff &= incr - uint32(1) huff += incr } else { huff = uint32(0) } /* go to next symbol, update count, len */ sym++ v17 = bp + uintptr(len1)*2 *(*uint16)(unsafe.Pointer(v17))-- v16 = *(*uint16)(unsafe.Pointer(v17)) if int32(v16) == 0 { if len1 == max { break } len1 = uint32(*(*uint16)(unsafe.Pointer(lens + uintptr(*(*uint16)(unsafe.Pointer(work + uintptr(sym)*2)))*2))) } /* create new sub-table if needed */ if len1 > root && huff&mask != low { /* if first time, transition to sub-tables */ if drop == uint32(0) { drop = root } /* increment past last table */ next += uintptr(min) * 4 /* here min is 1 << curr */ /* determine length of next table */ curr = len1 - drop left = libc.Int32FromInt32(1) << curr for curr+drop < max { left -= int32((*(*[16]uint16)(unsafe.Pointer(bp)))[curr+drop]) if left <= 0 { break } curr++ left <<= int32(1) } /* check for enough space */ used += uint32(1) << curr if int32(type1) == _LENS && used > uint32(m_ENOUGH_LENS) || int32(type1) == _DISTS && used > uint32(m_ENOUGH_DISTS) { return int32(1) } /* point entry in root table to sub-table */ low = huff & mask (*(*Tcode)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(table)) + uintptr(low)*4))).Fop = uint8(uint8(curr)) (*(*Tcode)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(table)) + uintptr(low)*4))).Fbits = uint8(uint8(root)) (*(*Tcode)(unsafe.Pointer(*(*uintptr)(unsafe.Pointer(table)) + uintptr(low)*4))).Fval = uint16((int64(int64(next)) - int64(*(*uintptr)(unsafe.Pointer(table)))) / 4) } goto _15 _15: } /* fill in remaining table entry if code is incomplete (guaranteed to have at most one remaining entry, since if the code is incomplete, the maximum code length that was allowed to get this far is one bit) */ if huff != uint32(0) { here.Fop = libc.Uint8FromInt32(64) /* invalid code marker */ here.Fbits = uint8(len1 - drop) here.Fval = libc.Uint16FromInt32(0) *(*Tcode)(unsafe.Pointer(next + uintptr(huff)*4)) = here } /* set return parameters */ *(*uintptr)(unsafe.Pointer(table)) += uintptr(used) * 4 *(*uint32)(unsafe.Pointer(bits)) = root return 0 } var _lbase = [31]uint16{ 0: uint16(3), 1: uint16(4), 2: uint16(5), 3: uint16(6), 4: uint16(7), 5: uint16(8), 6: uint16(9), 7: uint16(10), 8: uint16(11), 9: uint16(13), 10: uint16(15), 11: uint16(17), 12: uint16(19), 13: uint16(23), 14: uint16(27), 15: uint16(31), 16: uint16(35), 17: uint16(43), 18: uint16(51), 19: uint16(59), 20: uint16(67), 21: uint16(83), 22: uint16(99), 23: uint16(115), 24: uint16(131), 25: uint16(163), 26: uint16(195), 27: uint16(227), 28: uint16(258), } var _lext = [31]uint16{ 0: uint16(16), 1: uint16(16), 2: uint16(16), 3: uint16(16), 4: uint16(16), 5: uint16(16), 6: uint16(16), 7: uint16(16), 8: uint16(17), 9: uint16(17), 10: uint16(17), 11: uint16(17), 12: uint16(18), 13: uint16(18), 14: uint16(18), 15: uint16(18), 16: uint16(19), 17: uint16(19), 18: uint16(19), 19: uint16(19), 20: uint16(20), 21: uint16(20), 22: uint16(20), 23: uint16(20), 24: uint16(21), 25: uint16(21), 26: uint16(21), 27: uint16(21), 28: uint16(16), 29: uint16(198), 30: uint16(203), } var _dbase = [32]uint16{ 0: uint16(1), 1: uint16(2), 2: uint16(3), 3: uint16(4), 4: uint16(5), 5: uint16(7), 6: uint16(9), 7: uint16(13), 8: uint16(17), 9: uint16(25), 10: uint16(33), 11: uint16(49), 12: uint16(65), 13: uint16(97), 14: uint16(129), 15: uint16(193), 16: uint16(257), 17: uint16(385), 18: uint16(513), 19: uint16(769), 20: uint16(1025), 21: uint16(1537), 22: uint16(2049), 23: uint16(3073), 24: uint16(4097), 25: uint16(6145), 26: uint16(8193), 27: uint16(12289), 28: uint16(16385), 29: uint16(24577), } var _dext = [32]uint16{ 0: uint16(16), 1: uint16(16), 2: uint16(16), 3: uint16(16), 4: uint16(17), 5: uint16(17), 6: uint16(18), 7: uint16(18), 8: uint16(19), 9: uint16(19), 10: uint16(20), 11: uint16(20), 12: uint16(21), 13: uint16(21), 14: uint16(22), 15: uint16(22), 16: uint16(23), 17: uint16(23), 18: uint16(24), 19: uint16(24), 20: uint16(25), 21: uint16(25), 22: uint16(26), 23: uint16(26), 24: uint16(27), 25: uint16(27), 26: uint16(28), 27: uint16(28), 28: uint16(29), 29: uint16(29), 30: uint16(64), 31: uint16(64), } const m_DIST_CODE_LEN = 512 const m_DYN_TREES = 2 const m_END_BLOCK = 256 const m_MAX_BL_BITS = 7 const m_REPZ_11_138 = 18 const m_REPZ_3_10 = 17 const m_REP_3_6 = 16 const m_SMALLEST = 1 const m_STATIC_TREES = 1 const m_STORED_BLOCK = 0 const m_Z_BINARY = 0 const m_Z_TEXT = 1 type Tstatic_tree_desc = struct { Fstatic_tree uintptr Fextra_bits uintptr Fextra_base int32 Felems int32 Fmax_length int32 } type Tstatic_tree_desc_s = Tstatic_tree_desc /* =========================================================================== * Constants */ /* Bit length codes must not exceed MAX_BL_BITS bits */ /* end of block literal code */ /* repeat previous bit length 3-6 times (2 bits of repeat count) */ /* repeat a zero length 3-10 times (3 bits of repeat count) */ /* repeat a zero length 11-138 times (7 bits of repeat count) */ var _extra_lbits = [29]int32{ 8: int32(1), 9: int32(1), 10: int32(1), 11: int32(1), 12: int32(2), 13: int32(2), 14: int32(2), 15: int32(2), 16: int32(3), 17: int32(3), 18: int32(3), 19: int32(3), 20: int32(4), 21: int32(4), 22: int32(4), 23: int32(4), 24: int32(5), 25: int32(5), 26: int32(5), 27: int32(5), } var _extra_dbits = [30]int32{ 4: int32(1), 5: int32(1), 6: int32(2), 7: int32(2), 8: int32(3), 9: int32(3), 10: int32(4), 11: int32(4), 12: int32(5), 13: int32(5), 14: int32(6), 15: int32(6), 16: int32(7), 17: int32(7), 18: int32(8), 19: int32(8), 20: int32(9), 21: int32(9), 22: int32(10), 23: int32(10), 24: int32(11), 25: int32(11), 26: int32(12), 27: int32(12), 28: int32(13), 29: int32(13), } var _extra_blbits = [19]int32{ 16: int32(2), 17: int32(3), 18: int32(7), } var _bl_order = [19]Tuch{ 0: uint8(16), 1: uint8(17), 2: uint8(18), 4: uint8(8), 5: uint8(7), 6: uint8(9), 7: uint8(6), 8: uint8(10), 9: uint8(5), 10: uint8(11), 11: uint8(4), 12: uint8(12), 13: uint8(3), 14: uint8(13), 15: uint8(2), 16: uint8(14), 17: uint8(1), 18: uint8(15), } var _static_ltree = [288]Tct_data{ 0: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(12)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 1: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(140)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 2: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(76)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 3: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(204)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 4: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(44)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 5: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(172)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 6: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(108)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 7: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(236)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 8: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(28)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 9: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(156)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 10: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(92)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 11: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(220)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 12: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(60)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 13: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(188)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 14: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(124)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 15: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(252)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 16: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(2)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 17: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(130)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 18: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(66)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 19: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(194)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 20: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(34)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 21: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(162)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 22: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(98)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 23: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(226)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 24: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(18)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 25: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(146)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 26: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(82)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 27: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(210)})), Fdl: *(*struct { Flen1 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})(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 207: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(487)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 208: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(23)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 209: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(279)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 210: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(151)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 211: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(407)})), Fdl: *(*struct { Flen1 [0]Tush Fdad 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Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 227: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(399)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 228: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(79)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 229: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(335)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 230: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(207)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 231: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(463)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 232: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(47)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 233: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(303)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 234: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(175)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 235: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(431)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 236: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(111)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 237: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(367)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 238: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(239)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 239: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(495)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 240: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(31)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 241: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: 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}{f: uint16(223)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 247: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(479)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 248: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(63)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 249: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(319)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 250: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(191)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 251: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(447)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 252: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(127)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 253: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(383)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 254: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(255)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 255: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(511)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), }, 256: { Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(7)})), }, 257: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(64)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(7)})), }, 258: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(32)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(7)})), }, 259: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(96)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(7)})), }, 260: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(16)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(7)})), }, 261: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(80)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush 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})(unsafe.Pointer(&struct{ f Tush }{f: uint16(7)})), }, 267: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(104)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(7)})), }, 268: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(24)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(7)})), }, 269: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(88)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(7)})), }, 270: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(56)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(7)})), }, 271: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(120)})), Fdl: *(*struct { Flen1 [0]Tush Fdad 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Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 282: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(67)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 283: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(195)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 284: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(35)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 285: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(163)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 286: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(99)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, 287: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(227)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), }, } var _static_dtree = [30]Tct_data{ 0: { Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 1: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(16)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 2: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(8)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 3: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(24)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 4: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(4)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 5: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(20)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 6: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(12)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 7: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(28)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 8: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(2)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 9: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(18)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 10: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(10)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 11: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(26)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 12: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(6)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 13: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(22)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 14: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(14)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 15: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(30)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 16: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(1)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 17: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(17)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 18: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(9)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 19: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(25)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 20: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 21: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(21)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 22: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(13)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 23: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(29)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 24: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(3)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 25: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(19)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 26: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(11)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 27: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(27)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 28: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(7)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, 29: { Ffc: *(*struct { Fcode [0]Tush Ffreq Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(23)})), Fdl: *(*struct { Flen1 [0]Tush Fdad Tush })(unsafe.Pointer(&struct{ f Tush }{f: uint16(5)})), }, } var _base_length = [29]int32{ 1: int32(1), 2: int32(2), 3: int32(3), 4: int32(4), 5: int32(5), 6: int32(6), 7: int32(7), 8: int32(8), 9: int32(10), 10: int32(12), 11: int32(14), 12: int32(16), 13: int32(20), 14: int32(24), 15: int32(28), 16: int32(32), 17: int32(40), 18: int32(48), 19: int32(56), 20: int32(64), 21: int32(80), 22: int32(96), 23: int32(112), 24: int32(128), 25: int32(160), 26: int32(192), 27: int32(224), } var _base_dist = [30]int32{ 1: int32(1), 2: int32(2), 3: int32(3), 4: int32(4), 5: int32(6), 6: int32(8), 7: int32(12), 8: int32(16), 9: int32(24), 10: int32(32), 11: int32(48), 12: int32(64), 13: int32(96), 14: int32(128), 15: int32(192), 16: int32(256), 17: int32(384), 18: int32(512), 19: int32(768), 20: int32(1024), 21: int32(1536), 22: int32(2048), 23: int32(3072), 24: int32(4096), 25: int32(6144), 26: int32(8192), 27: int32(12288), 28: int32(16384), 29: int32(24576), } var _static_l_desc = Tstatic_tree_desc{ Fstatic_tree: uintptr(unsafe.Pointer(&_static_ltree)), Fextra_bits: uintptr(unsafe.Pointer(&_extra_lbits)), Fextra_base: libc.Int32FromInt32(m_LITERALS) + libc.Int32FromInt32(1), Felems: libc.Int32FromInt32(m_LITERALS) + libc.Int32FromInt32(1) + libc.Int32FromInt32(m_LENGTH_CODES), Fmax_length: int32(m_MAX_BITS), } var _static_d_desc = Tstatic_tree_desc{ Fstatic_tree: uintptr(unsafe.Pointer(&_static_dtree)), Fextra_bits: uintptr(unsafe.Pointer(&_extra_dbits)), Felems: int32(m_D_CODES), Fmax_length: int32(m_MAX_BITS), } var _static_bl_desc = Tstatic_tree_desc{ Fextra_bits: uintptr(unsafe.Pointer(&_extra_blbits)), Felems: int32(m_BL_CODES), Fmax_length: int32(m_MAX_BL_BITS), } /* =========================================================================== * Output a short LSB first on the stream. * IN assertion: there is enough room in pendingBuf. */ // C documentation // // /* =========================================================================== // * Reverse the first len bits of a code, using straightforward code (a faster // * method would use a table) // * IN assertion: 1 <= len <= 15 // */ func _bi_reverse(tls *libc.TLS, code uint32, len1 int32) (r uint32) { var res uint32 var v1 int32 _, _ = res, v1 res = uint32(0) for { res |= code & uint32(1) code >>= uint32(1) res <<= uint32(1) goto _2 _2: len1-- v1 = len1 if !(v1 > 0) { break } } return res >> int32(1) } // C documentation // // /* =========================================================================== // * Flush the bit buffer, keeping at most 7 bits in it. // */ func _bi_flush(tls *libc.TLS, s uintptr) { var v1, v3, v5 Tulg var v2, v4, v6, p7 uintptr _, _, _, _, _, _, _ = v1, v2, v3, v4, v5, v6, p7 if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid == int32(16) { v2 = s + 40 v1 = *(*Tulg)(unsafe.Pointer(v2)) *(*Tulg)(unsafe.Pointer(v2))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v1))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v4 = s + 40 v3 = *(*Tulg)(unsafe.Pointer(v4)) *(*Tulg)(unsafe.Pointer(v4))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v3))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(0) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid = 0 } else { if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid >= int32(8) { v6 = s + 40 v5 = *(*Tulg)(unsafe.Pointer(v6)) *(*Tulg)(unsafe.Pointer(v6))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v5))) = uint8((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) p7 = s + 5936 *(*Tush)(unsafe.Pointer(p7)) = Tush(int32(*(*Tush)(unsafe.Pointer(p7))) >> libc.Int32FromInt32(8)) *(*int32)(unsafe.Pointer(s + 5940)) -= int32(8) } } } // C documentation // // /* =========================================================================== // * Flush the bit buffer and align the output on a byte boundary // */ func _bi_windup(tls *libc.TLS, s uintptr) { var v1, v3, v5 Tulg var v2, v4, v6 uintptr _, _, _, _, _, _ = v1, v2, v3, v4, v5, v6 if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > int32(8) { v2 = s + 40 v1 = *(*Tulg)(unsafe.Pointer(v2)) *(*Tulg)(unsafe.Pointer(v2))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v1))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v4 = s + 40 v3 = *(*Tulg)(unsafe.Pointer(v4)) *(*Tulg)(unsafe.Pointer(v4))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v3))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) } else { if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > 0 { v6 = s + 40 v5 = *(*Tulg)(unsafe.Pointer(v6)) *(*Tulg)(unsafe.Pointer(v6))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v5))) = uint8((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) } } (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(0) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid = 0 } // C documentation // // /* =========================================================================== // * Generate the codes for a given tree and bit counts (which need not be // * optimal). // * IN assertion: the array bl_count contains the bit length statistics for // * the given tree and the field len is set for all tree elements. // * OUT assertion: the field code is set for all tree elements of non // * zero code length. // */ func _gen_codes(tls *libc.TLS, tree uintptr, max_code int32, bl_count uintptr) { bp := tls.Alloc(32) defer tls.Free(32) var bits, len1, n int32 var code uint32 var v3 Tush var v4 uintptr var _ /* next_code at bp+0 */ [16]Tush _, _, _, _, _, _ = bits, code, len1, n, v3, v4 /* next code value for each bit length */ code = uint32(0) /* code index */ /* The distribution counts are first used to generate the code values * without bit reversal. */ bits = int32(1) for { if !(bits <= int32(m_MAX_BITS)) { break } code = (code + uint32(*(*Tushf)(unsafe.Pointer(bl_count + uintptr(bits-int32(1))*2)))) << int32(1) (*(*[16]Tush)(unsafe.Pointer(bp)))[bits] = uint16(uint16(code)) goto _1 _1: bits++ } /* Check that the bit counts in bl_count are consistent. The last code * must be all ones. */ n = 0 for { if !(n <= max_code) { break } len1 = int32(*(*Tush)(unsafe.Pointer(tree + uintptr(n)*4 + 2))) if len1 == 0 { goto _2 } /* Now reverse the bits */ v4 = bp + uintptr(len1)*2 v3 = *(*Tush)(unsafe.Pointer(v4)) *(*Tush)(unsafe.Pointer(v4))++ *(*Tush)(unsafe.Pointer(tree + uintptr(n)*4)) = uint16(_bi_reverse(tls, uint32(v3), len1)) goto _2 _2: n++ } } /* Send a code of the given tree. c and tree must not have side effects */ /* =========================================================================== * Send a value on a given number of bits. * IN assertion: length <= 16 and value fits in length bits. */ /* the arguments must not have side effects */ // C documentation // // /* =========================================================================== // * Initialize the various 'constant' tables. // */ func _tr_static_init(tls *libc.TLS) { } /* =========================================================================== * Generate the file trees.h describing the static trees. */ // C documentation // // /* =========================================================================== // * Initialize a new block. // */ func _init_block(tls *libc.TLS, s uintptr) { var n int32 var v4 Tulg var v5 TuInt _, _, _ = n, v4, v5 /* iterates over tree elements */ /* Initialize the trees. */ n = 0 for { if !(n < libc.Int32FromInt32(m_LITERALS)+libc.Int32FromInt32(1)+libc.Int32FromInt32(m_LENGTH_CODES)) { break } *(*Tush)(unsafe.Pointer(s + 212 + uintptr(n)*4)) = uint16(0) goto _1 _1: n++ } n = 0 for { if !(n < int32(m_D_CODES)) { break } *(*Tush)(unsafe.Pointer(s + 2504 + uintptr(n)*4)) = uint16(0) goto _2 _2: n++ } n = 0 for { if !(n < int32(m_BL_CODES)) { break } *(*Tush)(unsafe.Pointer(s + 2748 + uintptr(n)*4)) = uint16(0) goto _3 _3: n++ } *(*Tush)(unsafe.Pointer(s + 212 + 256*4)) = uint16(1) v4 = libc.Uint64FromInt64(0) (*Tdeflate_state)(unsafe.Pointer(s)).Fstatic_len = v4 (*Tdeflate_state)(unsafe.Pointer(s)).Fopt_len = v4 v5 = libc.Uint32FromInt32(0) (*Tdeflate_state)(unsafe.Pointer(s)).Fmatches = v5 (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next = v5 } // C documentation // // /* =========================================================================== // * Initialize the tree data structures for a new zlib stream. // */ func x__tr_init(tls *libc.TLS, s uintptr) { _tr_static_init(tls) (*Tdeflate_state)(unsafe.Pointer(s)).Fl_desc.Fdyn_tree = s + 212 (*Tdeflate_state)(unsafe.Pointer(s)).Fl_desc.Fstat_desc = uintptr(unsafe.Pointer(&_static_l_desc)) (*Tdeflate_state)(unsafe.Pointer(s)).Fd_desc.Fdyn_tree = s + 2504 (*Tdeflate_state)(unsafe.Pointer(s)).Fd_desc.Fstat_desc = uintptr(unsafe.Pointer(&_static_d_desc)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbl_desc.Fdyn_tree = s + 2748 (*Tdeflate_state)(unsafe.Pointer(s)).Fbl_desc.Fstat_desc = uintptr(unsafe.Pointer(&_static_bl_desc)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(0) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid = 0 /* Initialize the first block of the first file: */ _init_block(tls, s) } /* Index within the heap array of least frequent node in the Huffman tree */ /* =========================================================================== * Remove the smallest element from the heap and recreate the heap with * one less element. Updates heap and heap_len. */ /* =========================================================================== * Compares to subtrees, using the tree depth as tie breaker when * the subtrees have equal frequency. This minimizes the worst case length. */ // C documentation // // /* =========================================================================== // * Restore the heap property by moving down the tree starting at node k, // * exchanging a node with the smallest of its two sons if necessary, stopping // * when the heap property is re-established (each father smaller than its // * two sons). // */ func _pqdownheap(tls *libc.TLS, s uintptr, tree uintptr, k int32) { var j, v int32 _, _ = j, v v = *(*int32)(unsafe.Pointer(s + 3008 + uintptr(k)*4)) j = k << int32(1) /* left son of k */ for j <= (*Tdeflate_state)(unsafe.Pointer(s)).Fheap_len { /* Set j to the smallest of the two sons: */ if j < (*Tdeflate_state)(unsafe.Pointer(s)).Fheap_len && (int32(*(*Tush)(unsafe.Pointer(tree + uintptr(*(*int32)(unsafe.Pointer(s + 3008 + uintptr(j+int32(1))*4)))*4))) < int32(*(*Tush)(unsafe.Pointer(tree + uintptr(*(*int32)(unsafe.Pointer(s + 3008 + uintptr(j)*4)))*4))) || int32(*(*Tush)(unsafe.Pointer(tree + uintptr(*(*int32)(unsafe.Pointer(s + 3008 + uintptr(j+int32(1))*4)))*4))) == int32(*(*Tush)(unsafe.Pointer(tree + uintptr(*(*int32)(unsafe.Pointer(s + 3008 + uintptr(j)*4)))*4))) && int32(*(*Tuch)(unsafe.Pointer(s + 5308 + uintptr(*(*int32)(unsafe.Pointer(s + 3008 + uintptr(j+int32(1))*4)))))) <= int32(*(*Tuch)(unsafe.Pointer(s + 5308 + uintptr(*(*int32)(unsafe.Pointer(s + 3008 + uintptr(j)*4))))))) { j++ } /* Exit if v is smaller than both sons */ if int32(*(*Tush)(unsafe.Pointer(tree + uintptr(v)*4))) < int32(*(*Tush)(unsafe.Pointer(tree + uintptr(*(*int32)(unsafe.Pointer(s + 3008 + uintptr(j)*4)))*4))) || int32(*(*Tush)(unsafe.Pointer(tree + uintptr(v)*4))) == int32(*(*Tush)(unsafe.Pointer(tree + uintptr(*(*int32)(unsafe.Pointer(s + 3008 + uintptr(j)*4)))*4))) && int32(*(*Tuch)(unsafe.Pointer(s + 5308 + uintptr(v)))) <= int32(*(*Tuch)(unsafe.Pointer(s + 5308 + uintptr(*(*int32)(unsafe.Pointer(s + 3008 + uintptr(j)*4)))))) { break } /* Exchange v with the smallest son */ *(*int32)(unsafe.Pointer(s + 3008 + uintptr(k)*4)) = *(*int32)(unsafe.Pointer(s + 3008 + uintptr(j)*4)) k = j /* And continue down the tree, setting j to the left son of k */ j <<= int32(1) } *(*int32)(unsafe.Pointer(s + 3008 + uintptr(k)*4)) = v } // C documentation // // /* =========================================================================== // * Compute the optimal bit lengths for a tree and update the total bit length // * for the current block. // * IN assertion: the fields freq and dad are set, heap[heap_max] and // * above are the tree nodes sorted by increasing frequency. // * OUT assertions: the field len is set to the optimal bit length, the // * array bl_count contains the frequencies for each bit length. // * The length opt_len is updated; static_len is also updated if stree is // * not null. // */ func _gen_bitlen(tls *libc.TLS, s uintptr, desc uintptr) { var base, bits, h, m, max_code, max_length, n, overflow, xbits, v5 int32 var extra, stree, tree, p3 uintptr var f Tush _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = base, bits, extra, f, h, m, max_code, max_length, n, overflow, stree, tree, xbits, v5, p3 tree = (*Ttree_desc)(unsafe.Pointer(desc)).Fdyn_tree max_code = (*Ttree_desc)(unsafe.Pointer(desc)).Fmax_code stree = (*Tstatic_tree_desc)(unsafe.Pointer((*Ttree_desc)(unsafe.Pointer(desc)).Fstat_desc)).Fstatic_tree extra = (*Tstatic_tree_desc)(unsafe.Pointer((*Ttree_desc)(unsafe.Pointer(desc)).Fstat_desc)).Fextra_bits base = (*Tstatic_tree_desc)(unsafe.Pointer((*Ttree_desc)(unsafe.Pointer(desc)).Fstat_desc)).Fextra_base max_length = (*Tstatic_tree_desc)(unsafe.Pointer((*Ttree_desc)(unsafe.Pointer(desc)).Fstat_desc)).Fmax_length /* frequency */ overflow = 0 /* number of elements with bit length too large */ bits = 0 for { if !(bits <= int32(m_MAX_BITS)) { break } *(*Tush)(unsafe.Pointer(s + 2976 + uintptr(bits)*2)) = uint16(0) goto _1 _1: bits++ } /* In a first pass, compute the optimal bit lengths (which may * overflow in the case of the bit length tree). */ *(*Tush)(unsafe.Pointer(tree + uintptr(*(*int32)(unsafe.Pointer(s + 3008 + uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fheap_max)*4)))*4 + 2)) = uint16(0) /* root of the heap */ h = (*Tdeflate_state)(unsafe.Pointer(s)).Fheap_max + int32(1) for { if !(h < libc.Int32FromInt32(2)*(libc.Int32FromInt32(m_LITERALS)+libc.Int32FromInt32(1)+libc.Int32FromInt32(m_LENGTH_CODES))+libc.Int32FromInt32(1)) { break } n = *(*int32)(unsafe.Pointer(s + 3008 + uintptr(h)*4)) bits = int32(*(*Tush)(unsafe.Pointer(tree + uintptr(*(*Tush)(unsafe.Pointer(tree + uintptr(n)*4 + 2)))*4 + 2))) + int32(1) if bits > max_length { bits = max_length overflow++ } *(*Tush)(unsafe.Pointer(tree + uintptr(n)*4 + 2)) = uint16(uint16(bits)) /* We overwrite tree[n].Dad which is no longer needed */ if n > max_code { goto _2 } /* not a leaf node */ *(*Tush)(unsafe.Pointer(s + 2976 + uintptr(bits)*2))++ xbits = 0 if n >= base { xbits = *(*Tintf)(unsafe.Pointer(extra + uintptr(n-base)*4)) } f = *(*Tush)(unsafe.Pointer(tree + uintptr(n)*4)) *(*Tulg)(unsafe.Pointer(s + 5912)) += uint64(uint64(f)) * uint64(uint32(bits+xbits)) if stree != 0 { *(*Tulg)(unsafe.Pointer(s + 5920)) += uint64(uint64(f)) * uint64(uint32(int32(*(*Tush)(unsafe.Pointer(stree + uintptr(n)*4 + 2)))+xbits)) } goto _2 _2: h++ } if overflow == 0 { return } /* This happens for example on obj2 and pic of the Calgary corpus */ /* Find the first bit length which could increase: */ for cond := true; cond; cond = overflow > 0 { bits = max_length - int32(1) for int32(*(*Tush)(unsafe.Pointer(s + 2976 + uintptr(bits)*2))) == 0 { bits-- } *(*Tush)(unsafe.Pointer(s + 2976 + uintptr(bits)*2))-- /* move one leaf down the tree */ p3 = s + 2976 + uintptr(bits+int32(1))*2 *(*Tush)(unsafe.Pointer(p3)) = Tush(int32(*(*Tush)(unsafe.Pointer(p3))) + libc.Int32FromInt32(2)) /* move one overflow item as its brother */ *(*Tush)(unsafe.Pointer(s + 2976 + uintptr(max_length)*2))-- /* The brother of the overflow item also moves one step up, * but this does not affect bl_count[max_length] */ overflow -= int32(2) } /* Now recompute all bit lengths, scanning in increasing frequency. * h is still equal to HEAP_SIZE. (It is simpler to reconstruct all * lengths instead of fixing only the wrong ones. This idea is taken * from 'ar' written by Haruhiko Okumura.) */ bits = max_length for { if !(bits != 0) { break } n = int32(*(*Tush)(unsafe.Pointer(s + 2976 + uintptr(bits)*2))) for n != 0 { h-- v5 = h m = *(*int32)(unsafe.Pointer(s + 3008 + uintptr(v5)*4)) if m > max_code { continue } if uint32(*(*Tush)(unsafe.Pointer(tree + uintptr(m)*4 + 2))) != uint32(uint32(bits)) { *(*Tulg)(unsafe.Pointer(s + 5912)) += (uint64(uint64(bits)) - uint64(*(*Tush)(unsafe.Pointer(tree + uintptr(m)*4 + 2)))) * uint64(*(*Tush)(unsafe.Pointer(tree + uintptr(m)*4))) *(*Tush)(unsafe.Pointer(tree + uintptr(m)*4 + 2)) = uint16(uint16(bits)) } n-- } goto _4 _4: bits-- } } // C documentation // // /* =========================================================================== // * Construct one Huffman tree and assigns the code bit strings and lengths. // * Update the total bit length for the current block. // * IN assertion: the field freq is set for all tree elements. // * OUT assertions: the fields len and code are set to the optimal bit length // * and corresponding code. The length opt_len is updated; static_len is // * also updated if stree is not null. The field max_code is set. // */ func _build_tree(tls *libc.TLS, s uintptr, desc uintptr) { var elems, m, max_code, n, node, v11, v13, v15, v17, v19, v2, v20, v4, v5, v6, v7, v8 int32 var stree, tree, v12, v14, v16, v21, v3, v9 uintptr var v18 Tush _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = elems, m, max_code, n, node, stree, tree, v11, v12, v13, v14, v15, v16, v17, v18, v19, v2, v20, v21, v3, v4, v5, v6, v7, v8, v9 tree = (*Ttree_desc)(unsafe.Pointer(desc)).Fdyn_tree stree = (*Tstatic_tree_desc)(unsafe.Pointer((*Ttree_desc)(unsafe.Pointer(desc)).Fstat_desc)).Fstatic_tree elems = (*Tstatic_tree_desc)(unsafe.Pointer((*Ttree_desc)(unsafe.Pointer(desc)).Fstat_desc)).Felems /* iterate over heap elements */ max_code = -int32(1) /* new node being created */ /* Construct the initial heap, with least frequent element in * heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n + 1]. * heap[0] is not used. */ (*Tdeflate_state)(unsafe.Pointer(s)).Fheap_len = 0 /* new node being created */ /* Construct the initial heap, with least frequent element in * heap[SMALLEST]. The sons of heap[n] are heap[2*n] and heap[2*n + 1]. * heap[0] is not used. */ (*Tdeflate_state)(unsafe.Pointer(s)).Fheap_max = libc.Int32FromInt32(2)*(libc.Int32FromInt32(m_LITERALS)+libc.Int32FromInt32(1)+libc.Int32FromInt32(m_LENGTH_CODES)) + libc.Int32FromInt32(1) n = 0 for { if !(n < elems) { break } if int32(*(*Tush)(unsafe.Pointer(tree + uintptr(n)*4))) != 0 { v3 = s + 5300 *(*int32)(unsafe.Pointer(v3))++ v2 = *(*int32)(unsafe.Pointer(v3)) v4 = n max_code = v4 *(*int32)(unsafe.Pointer(s + 3008 + uintptr(v2)*4)) = v4 *(*Tuch)(unsafe.Pointer(s + 5308 + uintptr(n))) = uint8(0) } else { *(*Tush)(unsafe.Pointer(tree + uintptr(n)*4 + 2)) = uint16(0) } goto _1 _1: n++ } /* The pkzip format requires that at least one distance code exists, * and that at least one bit should be sent even if there is only one * possible code. So to avoid special checks later on we force at least * two codes of non zero frequency. */ for (*Tdeflate_state)(unsafe.Pointer(s)).Fheap_len < int32(2) { if max_code < int32(2) { max_code++ v7 = max_code v6 = v7 } else { v6 = 0 } v5 = v6 v9 = s + 5300 *(*int32)(unsafe.Pointer(v9))++ v8 = *(*int32)(unsafe.Pointer(v9)) *(*int32)(unsafe.Pointer(s + 3008 + uintptr(v8)*4)) = v5 node = v5 *(*Tush)(unsafe.Pointer(tree + uintptr(node)*4)) = uint16(1) *(*Tuch)(unsafe.Pointer(s + 5308 + uintptr(node))) = uint8(0) (*Tdeflate_state)(unsafe.Pointer(s)).Fopt_len-- if stree != 0 { *(*Tulg)(unsafe.Pointer(s + 5920)) -= uint64(*(*Tush)(unsafe.Pointer(stree + uintptr(node)*4 + 2))) } /* node is 0 or 1 so it does not have extra bits */ } (*Ttree_desc)(unsafe.Pointer(desc)).Fmax_code = max_code /* The elements heap[heap_len/2 + 1 .. heap_len] are leaves of the tree, * establish sub-heaps of increasing lengths: */ n = (*Tdeflate_state)(unsafe.Pointer(s)).Fheap_len / int32(2) for { if !(n >= int32(1)) { break } _pqdownheap(tls, s, tree, n) goto _10 _10: n-- } /* Construct the Huffman tree by repeatedly combining the least two * frequent nodes. */ node = elems /* next internal node of the tree */ for cond := true; cond; cond = (*Tdeflate_state)(unsafe.Pointer(s)).Fheap_len >= int32(2) { n = *(*int32)(unsafe.Pointer(s + 3008 + 1*4)) v12 = s + 5300 v11 = *(*int32)(unsafe.Pointer(v12)) *(*int32)(unsafe.Pointer(v12))-- *(*int32)(unsafe.Pointer(s + 3008 + 1*4)) = *(*int32)(unsafe.Pointer(s + 3008 + uintptr(v11)*4)) _pqdownheap(tls, s, tree, int32(m_SMALLEST)) /* n = node of least frequency */ m = *(*int32)(unsafe.Pointer(s + 3008 + 1*4)) /* m = node of next least frequency */ v14 = s + 5304 *(*int32)(unsafe.Pointer(v14))-- v13 = *(*int32)(unsafe.Pointer(v14)) *(*int32)(unsafe.Pointer(s + 3008 + uintptr(v13)*4)) = n /* keep the nodes sorted by frequency */ v16 = s + 5304 *(*int32)(unsafe.Pointer(v16))-- v15 = *(*int32)(unsafe.Pointer(v16)) *(*int32)(unsafe.Pointer(s + 3008 + uintptr(v15)*4)) = m /* Create a new node father of n and m */ *(*Tush)(unsafe.Pointer(tree + uintptr(node)*4)) = uint16(int32(*(*Tush)(unsafe.Pointer(tree + uintptr(n)*4))) + int32(*(*Tush)(unsafe.Pointer(tree + uintptr(m)*4)))) if int32(*(*Tuch)(unsafe.Pointer(s + 5308 + uintptr(n)))) >= int32(*(*Tuch)(unsafe.Pointer(s + 5308 + uintptr(m)))) { v17 = int32(*(*Tuch)(unsafe.Pointer(s + 5308 + uintptr(n)))) } else { v17 = int32(*(*Tuch)(unsafe.Pointer(s + 5308 + uintptr(m)))) } *(*Tuch)(unsafe.Pointer(s + 5308 + uintptr(node))) = uint8(v17 + libc.Int32FromInt32(1)) v18 = uint16(uint16(node)) *(*Tush)(unsafe.Pointer(tree + uintptr(m)*4 + 2)) = v18 *(*Tush)(unsafe.Pointer(tree + uintptr(n)*4 + 2)) = v18 /* and insert the new node in the heap */ v19 = node node++ *(*int32)(unsafe.Pointer(s + 3008 + 1*4)) = v19 _pqdownheap(tls, s, tree, int32(m_SMALLEST)) } v21 = s + 5304 *(*int32)(unsafe.Pointer(v21))-- v20 = *(*int32)(unsafe.Pointer(v21)) *(*int32)(unsafe.Pointer(s + 3008 + uintptr(v20)*4)) = *(*int32)(unsafe.Pointer(s + 3008 + 1*4)) /* At this point, the fields freq and dad are set. We can now * generate the bit lengths. */ _gen_bitlen(tls, s, desc) /* The field len is now set, we can generate the bit codes */ _gen_codes(tls, tree, max_code, s+2976) } // C documentation // // /* =========================================================================== // * Scan a literal or distance tree to determine the frequencies of the codes // * in the bit length tree. // */ func _scan_tree(tls *libc.TLS, s uintptr, tree uintptr, max_code int32) { var count, curlen, max_count, min_count, n, nextlen, prevlen, v2 int32 var p3 uintptr _, _, _, _, _, _, _, _, _ = count, curlen, max_count, min_count, n, nextlen, prevlen, v2, p3 /* iterates over all tree elements */ prevlen = -int32(1) /* length of current code */ nextlen = int32(*(*Tush)(unsafe.Pointer(tree + 2))) /* length of next code */ count = 0 /* repeat count of the current code */ max_count = int32(7) /* max repeat count */ min_count = int32(4) /* min repeat count */ if nextlen == 0 { max_count = int32(138) min_count = libc.Int32FromInt32(3) } *(*Tush)(unsafe.Pointer(tree + uintptr(max_code+int32(1))*4 + 2)) = libc.Uint16FromInt32(0xffff) /* guard */ n = 0 for { if !(n <= max_code) { break } curlen = nextlen nextlen = int32(*(*Tush)(unsafe.Pointer(tree + uintptr(n+int32(1))*4 + 2))) count++ v2 = count if v2 < max_count && curlen == nextlen { goto _1 } else { if count < min_count { p3 = s + 2748 + uintptr(curlen)*4 *(*Tush)(unsafe.Pointer(p3)) = Tush(int32(*(*Tush)(unsafe.Pointer(p3))) + count) } else { if curlen != 0 { if curlen != prevlen { *(*Tush)(unsafe.Pointer(s + 2748 + uintptr(curlen)*4))++ } *(*Tush)(unsafe.Pointer(s + 2748 + 16*4))++ } else { if count <= int32(10) { *(*Tush)(unsafe.Pointer(s + 2748 + 17*4))++ } else { *(*Tush)(unsafe.Pointer(s + 2748 + 18*4))++ } } } } count = 0 prevlen = curlen if nextlen == 0 { max_count = int32(138) min_count = libc.Int32FromInt32(3) } else { if curlen == nextlen { max_count = int32(6) min_count = libc.Int32FromInt32(3) } else { max_count = int32(7) min_count = libc.Int32FromInt32(4) } } goto _1 _1: n++ } } // C documentation // // /* =========================================================================== // * Send a literal or distance tree in compressed form, using the codes in // * bl_tree. // */ func _send_tree(tls *libc.TLS, s uintptr, tree uintptr, max_code int32) { var count, curlen, len1, len11, len2, len3, len4, len5, len6, len7, max_count, min_count, n, nextlen, prevlen, val, val1, val2, val3, val4, val5, val6, val7, v2, v3 int32 var v12, v14, v18, v20, v24, v26, v30, v32, v36, v38, v42, v44, v48, v50, v6, v8 Tulg var v13, v15, v19, v21, v25, v27, v31, v33, v37, v39, v43, v45, v49, v51, v7, v9, p10, p11, p16, p17, p22, p23, p28, p29, p34, p35, p40, p41, p46, p47, p5, p52 uintptr _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = count, curlen, len1, len11, len2, len3, len4, len5, len6, len7, max_count, min_count, n, nextlen, prevlen, val, val1, val2, val3, val4, val5, val6, val7, v12, v13, v14, v15, v18, v19, v2, v20, v21, v24, v25, v26, v27, v3, v30, v31, v32, v33, v36, v37, v38, v39, v42, v43, v44, v45, v48, v49, v50, v51, v6, v7, v8, v9, p10, p11, p16, p17, p22, p23, p28, p29, p34, p35, p40, p41, p46, p47, p5, p52 /* iterates over all tree elements */ prevlen = -int32(1) /* length of current code */ nextlen = int32(*(*Tush)(unsafe.Pointer(tree + 2))) /* length of next code */ count = 0 /* repeat count of the current code */ max_count = int32(7) /* max repeat count */ min_count = int32(4) /* min repeat count */ /* tree[max_code + 1].Len = -1; */ /* guard already set */ if nextlen == 0 { max_count = int32(138) min_count = libc.Int32FromInt32(3) } n = 0 for { if !(n <= max_code) { break } curlen = nextlen nextlen = int32(*(*Tush)(unsafe.Pointer(tree + uintptr(n+int32(1))*4 + 2))) count++ v2 = count if v2 < max_count && curlen == nextlen { goto _1 } else { if count < min_count { for { len1 = int32(*(*Tush)(unsafe.Pointer(s + 2748 + uintptr(curlen)*4 + 2))) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len1 { val = int32(*(*Tush)(unsafe.Pointer(s + 2748 + uintptr(curlen)*4))) p5 = s + 5936 *(*Tush)(unsafe.Pointer(p5)) = Tush(int32(*(*Tush)(unsafe.Pointer(p5))) | int32(uint16(uint16(val)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v7 = s + 40 v6 = *(*Tulg)(unsafe.Pointer(v7)) *(*Tulg)(unsafe.Pointer(v7))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v6))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v9 = s + 40 v8 = *(*Tulg)(unsafe.Pointer(v9)) *(*Tulg)(unsafe.Pointer(v9))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v8))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len1 - int32(m_Buf_size) } else { p10 = s + 5936 *(*Tush)(unsafe.Pointer(p10)) = Tush(int32(*(*Tush)(unsafe.Pointer(p10))) | int32(*(*Tush)(unsafe.Pointer(s + 2748 + uintptr(curlen)*4)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len1 } goto _4 _4: count-- v3 = count if !(v3 != 0) { break } } } else { if curlen != 0 { if curlen != prevlen { len11 = int32(*(*Tush)(unsafe.Pointer(s + 2748 + uintptr(curlen)*4 + 2))) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len11 { val1 = int32(*(*Tush)(unsafe.Pointer(s + 2748 + uintptr(curlen)*4))) p11 = s + 5936 *(*Tush)(unsafe.Pointer(p11)) = Tush(int32(*(*Tush)(unsafe.Pointer(p11))) | int32(uint16(uint16(val1)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v13 = s + 40 v12 = *(*Tulg)(unsafe.Pointer(v13)) *(*Tulg)(unsafe.Pointer(v13))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v12))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v15 = s + 40 v14 = *(*Tulg)(unsafe.Pointer(v15)) *(*Tulg)(unsafe.Pointer(v15))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v14))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val1))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len11 - int32(m_Buf_size) } else { p16 = s + 5936 *(*Tush)(unsafe.Pointer(p16)) = Tush(int32(*(*Tush)(unsafe.Pointer(p16))) | int32(*(*Tush)(unsafe.Pointer(s + 2748 + uintptr(curlen)*4)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len11 } count-- } len2 = int32(*(*Tush)(unsafe.Pointer(s + 2748 + 16*4 + 2))) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len2 { val2 = int32(*(*Tush)(unsafe.Pointer(s + 2748 + 16*4))) p17 = s + 5936 *(*Tush)(unsafe.Pointer(p17)) = Tush(int32(*(*Tush)(unsafe.Pointer(p17))) | int32(uint16(uint16(val2)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v19 = s + 40 v18 = *(*Tulg)(unsafe.Pointer(v19)) *(*Tulg)(unsafe.Pointer(v19))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v18))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v21 = s + 40 v20 = *(*Tulg)(unsafe.Pointer(v21)) *(*Tulg)(unsafe.Pointer(v21))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v20))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val2))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len2 - int32(m_Buf_size) } else { p22 = s + 5936 *(*Tush)(unsafe.Pointer(p22)) = Tush(int32(*(*Tush)(unsafe.Pointer(p22))) | int32(*(*Tush)(unsafe.Pointer(s + 2748 + 16*4)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len2 } len3 = int32(2) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len3 { val3 = count - int32(3) p23 = s + 5936 *(*Tush)(unsafe.Pointer(p23)) = Tush(int32(*(*Tush)(unsafe.Pointer(p23))) | int32(uint16(uint16(val3)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v25 = s + 40 v24 = *(*Tulg)(unsafe.Pointer(v25)) *(*Tulg)(unsafe.Pointer(v25))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v24))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v27 = s + 40 v26 = *(*Tulg)(unsafe.Pointer(v27)) *(*Tulg)(unsafe.Pointer(v27))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v26))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val3))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len3 - int32(m_Buf_size) } else { p28 = s + 5936 *(*Tush)(unsafe.Pointer(p28)) = Tush(int32(*(*Tush)(unsafe.Pointer(p28))) | int32(uint16(count-libc.Int32FromInt32(3)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len3 } } else { if count <= int32(10) { len4 = int32(*(*Tush)(unsafe.Pointer(s + 2748 + 17*4 + 2))) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len4 { val4 = int32(*(*Tush)(unsafe.Pointer(s + 2748 + 17*4))) p29 = s + 5936 *(*Tush)(unsafe.Pointer(p29)) = Tush(int32(*(*Tush)(unsafe.Pointer(p29))) | int32(uint16(uint16(val4)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v31 = s + 40 v30 = *(*Tulg)(unsafe.Pointer(v31)) *(*Tulg)(unsafe.Pointer(v31))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v30))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v33 = s + 40 v32 = *(*Tulg)(unsafe.Pointer(v33)) *(*Tulg)(unsafe.Pointer(v33))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v32))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val4))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len4 - int32(m_Buf_size) } else { p34 = s + 5936 *(*Tush)(unsafe.Pointer(p34)) = Tush(int32(*(*Tush)(unsafe.Pointer(p34))) | int32(*(*Tush)(unsafe.Pointer(s + 2748 + 17*4)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len4 } len5 = int32(3) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len5 { val5 = count - int32(3) p35 = s + 5936 *(*Tush)(unsafe.Pointer(p35)) = Tush(int32(*(*Tush)(unsafe.Pointer(p35))) | int32(uint16(uint16(val5)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v37 = s + 40 v36 = *(*Tulg)(unsafe.Pointer(v37)) *(*Tulg)(unsafe.Pointer(v37))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v36))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v39 = s + 40 v38 = *(*Tulg)(unsafe.Pointer(v39)) *(*Tulg)(unsafe.Pointer(v39))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v38))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val5))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len5 - int32(m_Buf_size) } else { p40 = s + 5936 *(*Tush)(unsafe.Pointer(p40)) = Tush(int32(*(*Tush)(unsafe.Pointer(p40))) | int32(uint16(count-libc.Int32FromInt32(3)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len5 } } else { len6 = int32(*(*Tush)(unsafe.Pointer(s + 2748 + 18*4 + 2))) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len6 { val6 = int32(*(*Tush)(unsafe.Pointer(s + 2748 + 18*4))) p41 = s + 5936 *(*Tush)(unsafe.Pointer(p41)) = Tush(int32(*(*Tush)(unsafe.Pointer(p41))) | int32(uint16(uint16(val6)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v43 = s + 40 v42 = *(*Tulg)(unsafe.Pointer(v43)) *(*Tulg)(unsafe.Pointer(v43))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v42))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v45 = s + 40 v44 = *(*Tulg)(unsafe.Pointer(v45)) *(*Tulg)(unsafe.Pointer(v45))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v44))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val6))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len6 - int32(m_Buf_size) } else { p46 = s + 5936 *(*Tush)(unsafe.Pointer(p46)) = Tush(int32(*(*Tush)(unsafe.Pointer(p46))) | int32(*(*Tush)(unsafe.Pointer(s + 2748 + 18*4)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len6 } len7 = int32(7) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len7 { val7 = count - int32(11) p47 = s + 5936 *(*Tush)(unsafe.Pointer(p47)) = Tush(int32(*(*Tush)(unsafe.Pointer(p47))) | int32(uint16(uint16(val7)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v49 = s + 40 v48 = *(*Tulg)(unsafe.Pointer(v49)) *(*Tulg)(unsafe.Pointer(v49))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v48))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v51 = s + 40 v50 = *(*Tulg)(unsafe.Pointer(v51)) *(*Tulg)(unsafe.Pointer(v51))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v50))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val7))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len7 - int32(m_Buf_size) } else { p52 = s + 5936 *(*Tush)(unsafe.Pointer(p52)) = Tush(int32(*(*Tush)(unsafe.Pointer(p52))) | int32(uint16(count-libc.Int32FromInt32(11)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len7 } } } } } count = 0 prevlen = curlen if nextlen == 0 { max_count = int32(138) min_count = libc.Int32FromInt32(3) } else { if curlen == nextlen { max_count = int32(6) min_count = libc.Int32FromInt32(3) } else { max_count = int32(7) min_count = libc.Int32FromInt32(4) } } goto _1 _1: n++ } } // C documentation // // /* =========================================================================== // * Construct the Huffman tree for the bit lengths and return the index in // * bl_order of the last bit length code to send. // */ func _build_bl_tree(tls *libc.TLS, s uintptr) (r int32) { var max_blindex int32 _ = max_blindex /* index of last bit length code of non zero freq */ /* Determine the bit length frequencies for literal and distance trees */ _scan_tree(tls, s, s+212, (*Tdeflate_state)(unsafe.Pointer(s)).Fl_desc.Fmax_code) _scan_tree(tls, s, s+2504, (*Tdeflate_state)(unsafe.Pointer(s)).Fd_desc.Fmax_code) /* Build the bit length tree: */ _build_tree(tls, s, s+2952) /* opt_len now includes the length of the tree representations, except the * lengths of the bit lengths codes and the 5 + 5 + 4 bits for the counts. */ /* Determine the number of bit length codes to send. The pkzip format * requires that at least 4 bit length codes be sent. (appnote.txt says * 3 but the actual value used is 4.) */ max_blindex = libc.Int32FromInt32(m_BL_CODES) - libc.Int32FromInt32(1) for { if !(max_blindex >= int32(3)) { break } if int32(*(*Tush)(unsafe.Pointer(s + 2748 + uintptr(_bl_order[max_blindex])*4 + 2))) != 0 { break } goto _1 _1: max_blindex-- } /* Update opt_len to include the bit length tree and counts */ *(*Tulg)(unsafe.Pointer(s + 5912)) += uint64(3)*(uint64(uint64(max_blindex))+uint64(1)) + uint64(5) + uint64(5) + uint64(4) return max_blindex } // C documentation // // /* =========================================================================== // * Send the header for a block using dynamic Huffman trees: the counts, the // * lengths of the bit length codes, the literal tree and the distance tree. // * IN assertion: lcodes >= 257, dcodes >= 1, blcodes >= 4. // */ func _send_all_trees(tls *libc.TLS, s uintptr, lcodes int32, dcodes int32, blcodes int32) { var len1, len11, len2, len3, rank, val, val1, val2, val3 int32 var v10, v14, v16, v2, v21, v23, v4, v8 Tulg var v11, v15, v17, v22, v24, v3, v5, v9, p1, p12, p13, p18, p20, p25, p6, p7 uintptr _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = len1, len11, len2, len3, rank, val, val1, val2, val3, v10, v11, v14, v15, v16, v17, v2, v21, v22, v23, v24, v3, v4, v5, v8, v9, p1, p12, p13, p18, p20, p25, p6, p7 /* index in bl_order */ len1 = int32(5) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len1 { val = lcodes - int32(257) p1 = s + 5936 *(*Tush)(unsafe.Pointer(p1)) = Tush(int32(*(*Tush)(unsafe.Pointer(p1))) | int32(uint16(uint16(val)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v3 = s + 40 v2 = *(*Tulg)(unsafe.Pointer(v3)) *(*Tulg)(unsafe.Pointer(v3))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v2))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v5 = s + 40 v4 = *(*Tulg)(unsafe.Pointer(v5)) *(*Tulg)(unsafe.Pointer(v5))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v4))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len1 - int32(m_Buf_size) } else { p6 = s + 5936 *(*Tush)(unsafe.Pointer(p6)) = Tush(int32(*(*Tush)(unsafe.Pointer(p6))) | int32(uint16(lcodes-libc.Int32FromInt32(257)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len1 } /* not +255 as stated in appnote.txt */ len11 = int32(5) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len11 { val1 = dcodes - int32(1) p7 = s + 5936 *(*Tush)(unsafe.Pointer(p7)) = Tush(int32(*(*Tush)(unsafe.Pointer(p7))) | int32(uint16(uint16(val1)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v9 = s + 40 v8 = *(*Tulg)(unsafe.Pointer(v9)) *(*Tulg)(unsafe.Pointer(v9))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v8))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v11 = s + 40 v10 = *(*Tulg)(unsafe.Pointer(v11)) *(*Tulg)(unsafe.Pointer(v11))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v10))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val1))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len11 - int32(m_Buf_size) } else { p12 = s + 5936 *(*Tush)(unsafe.Pointer(p12)) = Tush(int32(*(*Tush)(unsafe.Pointer(p12))) | int32(uint16(dcodes-libc.Int32FromInt32(1)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len11 } len2 = int32(4) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len2 { val2 = blcodes - int32(4) p13 = s + 5936 *(*Tush)(unsafe.Pointer(p13)) = Tush(int32(*(*Tush)(unsafe.Pointer(p13))) | int32(uint16(uint16(val2)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v15 = s + 40 v14 = *(*Tulg)(unsafe.Pointer(v15)) *(*Tulg)(unsafe.Pointer(v15))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v14))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v17 = s + 40 v16 = *(*Tulg)(unsafe.Pointer(v17)) *(*Tulg)(unsafe.Pointer(v17))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v16))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val2))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len2 - int32(m_Buf_size) } else { p18 = s + 5936 *(*Tush)(unsafe.Pointer(p18)) = Tush(int32(*(*Tush)(unsafe.Pointer(p18))) | int32(uint16(blcodes-libc.Int32FromInt32(4)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len2 } /* not -3 as stated in appnote.txt */ rank = 0 for { if !(rank < blcodes) { break } len3 = int32(3) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len3 { val3 = int32(*(*Tush)(unsafe.Pointer(s + 2748 + uintptr(_bl_order[rank])*4 + 2))) p20 = s + 5936 *(*Tush)(unsafe.Pointer(p20)) = Tush(int32(*(*Tush)(unsafe.Pointer(p20))) | int32(uint16(uint16(val3)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v22 = s + 40 v21 = *(*Tulg)(unsafe.Pointer(v22)) *(*Tulg)(unsafe.Pointer(v22))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v21))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v24 = s + 40 v23 = *(*Tulg)(unsafe.Pointer(v24)) *(*Tulg)(unsafe.Pointer(v24))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v23))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val3))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len3 - int32(m_Buf_size) } else { p25 = s + 5936 *(*Tush)(unsafe.Pointer(p25)) = Tush(int32(*(*Tush)(unsafe.Pointer(p25))) | int32(*(*Tush)(unsafe.Pointer(s + 2748 + uintptr(_bl_order[rank])*4 + 2)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len3 } goto _19 _19: rank++ } _send_tree(tls, s, s+212, lcodes-int32(1)) /* literal tree */ _send_tree(tls, s, s+2504, dcodes-int32(1)) /* distance tree */ } // C documentation // // /* =========================================================================== // * Send a stored block // */ func x__tr_stored_block(tls *libc.TLS, s uintptr, buf uintptr, stored_len Tulg, last int32) { var len1, val int32 var v10, v12, v14, v3, v5, v8, p1, p6 uintptr var v11, v13, v2, v4, v7, v9 Tulg _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = len1, val, v10, v11, v12, v13, v14, v2, v3, v4, v5, v7, v8, v9, p1, p6 len1 = int32(3) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len1 { val = libc.Int32FromInt32(m_STORED_BLOCK)<> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len1 - int32(m_Buf_size) } else { p6 = s + 5936 *(*Tush)(unsafe.Pointer(p6)) = Tush(int32(*(*Tush)(unsafe.Pointer(p6))) | int32(uint16(libc.Int32FromInt32(m_STORED_BLOCK)<> libc.Int32FromInt32(8)) v12 = s + 40 v11 = *(*Tulg)(unsafe.Pointer(v12)) *(*Tulg)(unsafe.Pointer(v12))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v11))) = uint8(int32(uint16(^stored_len)) & libc.Int32FromInt32(0xff)) v14 = s + 40 v13 = *(*Tulg)(unsafe.Pointer(v14)) *(*Tulg)(unsafe.Pointer(v14))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v13))) = uint8(int32(uint16(^stored_len)) >> libc.Int32FromInt32(8)) if stored_len != 0 { libc.Xmemcpy(tls, (*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf+uintptr((*Tdeflate_state)(unsafe.Pointer(s)).Fpending), buf, stored_len) } *(*Tulg)(unsafe.Pointer(s + 40)) += stored_len } // C documentation // // /* =========================================================================== // * Flush the bits in the bit buffer to pending output (leaves at most 7 bits) // */ func x__tr_flush_bits(tls *libc.TLS, s uintptr) { _bi_flush(tls, s) } // C documentation // // /* =========================================================================== // * Send one empty static block to give enough lookahead for inflate. // * This takes 10 bits, of which 7 may remain in the bit buffer. // */ func x__tr_align(tls *libc.TLS, s uintptr) { var len1, len11, val, val1 int32 var v10, v2, v4, v8 Tulg var v11, v3, v5, v9, p1, p12, p6, p7 uintptr _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = len1, len11, val, val1, v10, v11, v2, v3, v4, v5, v8, v9, p1, p12, p6, p7 len1 = int32(3) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len1 { val = libc.Int32FromInt32(m_STATIC_TREES) << libc.Int32FromInt32(1) p1 = s + 5936 *(*Tush)(unsafe.Pointer(p1)) = Tush(int32(*(*Tush)(unsafe.Pointer(p1))) | int32(uint16(uint16(val)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v3 = s + 40 v2 = *(*Tulg)(unsafe.Pointer(v3)) *(*Tulg)(unsafe.Pointer(v3))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v2))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v5 = s + 40 v4 = *(*Tulg)(unsafe.Pointer(v5)) *(*Tulg)(unsafe.Pointer(v5))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v4))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len1 - int32(m_Buf_size) } else { p6 = s + 5936 *(*Tush)(unsafe.Pointer(p6)) = Tush(int32(*(*Tush)(unsafe.Pointer(p6))) | int32(uint16(libc.Int32FromInt32(m_STATIC_TREES)< libc.Int32FromInt32(m_Buf_size)-len11 { val1 = int32(*(*Tush)(unsafe.Pointer(uintptr(unsafe.Pointer(&_static_ltree)) + 256*4))) p7 = s + 5936 *(*Tush)(unsafe.Pointer(p7)) = Tush(int32(*(*Tush)(unsafe.Pointer(p7))) | int32(uint16(uint16(val1)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v9 = s + 40 v8 = *(*Tulg)(unsafe.Pointer(v9)) *(*Tulg)(unsafe.Pointer(v9))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v8))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v11 = s + 40 v10 = *(*Tulg)(unsafe.Pointer(v11)) *(*Tulg)(unsafe.Pointer(v11))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v10))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val1))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len11 - int32(m_Buf_size) } else { p12 = s + 5936 *(*Tush)(unsafe.Pointer(p12)) = Tush(int32(*(*Tush)(unsafe.Pointer(p12))) | int32(*(*Tush)(unsafe.Pointer(uintptr(unsafe.Pointer(&_static_ltree)) + 256*4)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len11 } _bi_flush(tls, s) } // C documentation // // /* =========================================================================== // * Send the block data compressed using the given Huffman trees // */ func _compress_block(tls *libc.TLS, s uintptr, ltree uintptr, dtree uintptr) { var code, dist, sx, v1, v2, v3 uint32 var extra, lc, len1, len11, len2, len3, len4, len5, val, val1, val2, val3, val4, val5, v22 int32 var v11, v13, v17, v19, v24, v26, v30, v32, v36, v38, v5, v7 Tulg var v12, v14, v18, v20, v25, v27, v31, v33, v37, v39, v6, v8, p10, p15, p16, p21, p23, p28, p29, p34, p35, p4, p40, p9 uintptr _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = code, dist, extra, lc, len1, len11, len2, len3, len4, len5, sx, val, val1, val2, val3, val4, val5, v1, v11, v12, v13, v14, v17, v18, v19, v2, v20, v22, v24, v25, v26, v27, v3, v30, v31, v32, v33, v36, v37, v38, v39, v5, v6, v7, v8, p10, p15, p16, p21, p23, p28, p29, p34, p35, p4, p40, p9 /* match length or unmatched char (if dist == 0) */ sx = uint32(0) /* number of extra bits to send */ if (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next != uint32(0) { for cond := true; cond; cond = sx < (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next { v1 = sx sx++ dist = uint32(int32(*(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v1)))) & int32(0xff)) v2 = sx sx++ dist += uint32(int32(*(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v2))))&libc.Int32FromInt32(0xff)) << int32(8) v3 = sx sx++ lc = int32(*(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v3)))) if dist == uint32(0) { len1 = int32(*(*Tush)(unsafe.Pointer(ltree + uintptr(lc)*4 + 2))) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len1 { val = int32(*(*Tush)(unsafe.Pointer(ltree + uintptr(lc)*4))) p4 = s + 5936 *(*Tush)(unsafe.Pointer(p4)) = Tush(int32(*(*Tush)(unsafe.Pointer(p4))) | int32(uint16(uint16(val)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v6 = s + 40 v5 = *(*Tulg)(unsafe.Pointer(v6)) *(*Tulg)(unsafe.Pointer(v6))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v5))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v8 = s + 40 v7 = *(*Tulg)(unsafe.Pointer(v8)) *(*Tulg)(unsafe.Pointer(v8))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v7))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len1 - int32(m_Buf_size) } else { p9 = s + 5936 *(*Tush)(unsafe.Pointer(p9)) = Tush(int32(*(*Tush)(unsafe.Pointer(p9))) | int32(*(*Tush)(unsafe.Pointer(ltree + uintptr(lc)*4)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len1 } /* send a literal byte */ } else { /* Here, lc is the match length - MIN_MATCH */ code = uint32(x__length_code[lc]) len11 = int32(*(*Tush)(unsafe.Pointer(ltree + uintptr(code+uint32(m_LITERALS)+uint32(1))*4 + 2))) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len11 { val1 = int32(*(*Tush)(unsafe.Pointer(ltree + uintptr(code+uint32(m_LITERALS)+uint32(1))*4))) p10 = s + 5936 *(*Tush)(unsafe.Pointer(p10)) = Tush(int32(*(*Tush)(unsafe.Pointer(p10))) | int32(uint16(uint16(val1)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v12 = s + 40 v11 = *(*Tulg)(unsafe.Pointer(v12)) *(*Tulg)(unsafe.Pointer(v12))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v11))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v14 = s + 40 v13 = *(*Tulg)(unsafe.Pointer(v14)) *(*Tulg)(unsafe.Pointer(v14))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v13))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val1))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len11 - int32(m_Buf_size) } else { p15 = s + 5936 *(*Tush)(unsafe.Pointer(p15)) = Tush(int32(*(*Tush)(unsafe.Pointer(p15))) | int32(*(*Tush)(unsafe.Pointer(ltree + uintptr(code+uint32(m_LITERALS)+uint32(1))*4)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len11 } /* send length code */ extra = _extra_lbits[code] if extra != 0 { lc -= _base_length[code] len2 = extra if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len2 { val2 = lc p16 = s + 5936 *(*Tush)(unsafe.Pointer(p16)) = Tush(int32(*(*Tush)(unsafe.Pointer(p16))) | int32(uint16(uint16(val2)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v18 = s + 40 v17 = *(*Tulg)(unsafe.Pointer(v18)) *(*Tulg)(unsafe.Pointer(v18))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v17))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v20 = s + 40 v19 = *(*Tulg)(unsafe.Pointer(v20)) *(*Tulg)(unsafe.Pointer(v20))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v19))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val2))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len2 - int32(m_Buf_size) } else { p21 = s + 5936 *(*Tush)(unsafe.Pointer(p21)) = Tush(int32(*(*Tush)(unsafe.Pointer(p21))) | int32(uint16(lc))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len2 } /* send the extra length bits */ } dist-- /* dist is now the match distance - 1 */ if dist < uint32(256) { v22 = int32(x__dist_code[dist]) } else { v22 = int32(x__dist_code[uint32(256)+dist>>int32(7)]) } code = uint32(v22) len3 = int32(*(*Tush)(unsafe.Pointer(dtree + uintptr(code)*4 + 2))) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len3 { val3 = int32(*(*Tush)(unsafe.Pointer(dtree + uintptr(code)*4))) p23 = s + 5936 *(*Tush)(unsafe.Pointer(p23)) = Tush(int32(*(*Tush)(unsafe.Pointer(p23))) | int32(uint16(uint16(val3)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v25 = s + 40 v24 = *(*Tulg)(unsafe.Pointer(v25)) *(*Tulg)(unsafe.Pointer(v25))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v24))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v27 = s + 40 v26 = *(*Tulg)(unsafe.Pointer(v27)) *(*Tulg)(unsafe.Pointer(v27))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v26))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val3))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len3 - int32(m_Buf_size) } else { p28 = s + 5936 *(*Tush)(unsafe.Pointer(p28)) = Tush(int32(*(*Tush)(unsafe.Pointer(p28))) | int32(*(*Tush)(unsafe.Pointer(dtree + uintptr(code)*4)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len3 } /* send the distance code */ extra = _extra_dbits[code] if extra != 0 { dist -= uint32(_base_dist[code]) len4 = extra if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len4 { val4 = int32(int32(dist)) p29 = s + 5936 *(*Tush)(unsafe.Pointer(p29)) = Tush(int32(*(*Tush)(unsafe.Pointer(p29))) | int32(uint16(uint16(val4)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v31 = s + 40 v30 = *(*Tulg)(unsafe.Pointer(v31)) *(*Tulg)(unsafe.Pointer(v31))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v30))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v33 = s + 40 v32 = *(*Tulg)(unsafe.Pointer(v33)) *(*Tulg)(unsafe.Pointer(v33))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v32))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val4))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len4 - int32(m_Buf_size) } else { p34 = s + 5936 *(*Tush)(unsafe.Pointer(p34)) = Tush(int32(*(*Tush)(unsafe.Pointer(p34))) | int32(uint16(dist))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len4 } /* send the extra distance bits */ } } /* literal or match pair ? */ /* Check that the overlay between pending_buf and sym_buf is ok: */ } } len5 = int32(*(*Tush)(unsafe.Pointer(ltree + 256*4 + 2))) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len5 { val5 = int32(*(*Tush)(unsafe.Pointer(ltree + 256*4))) p35 = s + 5936 *(*Tush)(unsafe.Pointer(p35)) = Tush(int32(*(*Tush)(unsafe.Pointer(p35))) | int32(uint16(uint16(val5)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) v37 = s + 40 v36 = *(*Tulg)(unsafe.Pointer(v37)) *(*Tulg)(unsafe.Pointer(v37))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v36))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) & libc.Int32FromInt32(0xff)) v39 = s + 40 v38 = *(*Tulg)(unsafe.Pointer(v39)) *(*Tulg)(unsafe.Pointer(v39))++ *(*TBytef)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fpending_buf + uintptr(v38))) = uint8(int32((*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf) >> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val5))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len5 - int32(m_Buf_size) } else { p40 = s + 5936 *(*Tush)(unsafe.Pointer(p40)) = Tush(int32(*(*Tush)(unsafe.Pointer(p40))) | int32(*(*Tush)(unsafe.Pointer(ltree + 256*4)))<<(*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid) *(*int32)(unsafe.Pointer(s + 5940)) += len5 } } // C documentation // // /* =========================================================================== // * Check if the data type is TEXT or BINARY, using the following algorithm: // * - TEXT if the two conditions below are satisfied: // * a) There are no non-portable control characters belonging to the // * "block list" (0..6, 14..25, 28..31). // * b) There is at least one printable character belonging to the // * "allow list" (9 {TAB}, 10 {LF}, 13 {CR}, 32..255). // * - BINARY otherwise. // * - The following partially-portable control characters form a // * "gray list" that is ignored in this detection algorithm: // * (7 {BEL}, 8 {BS}, 11 {VT}, 12 {FF}, 26 {SUB}, 27 {ESC}). // * IN assertion: the fields Freq of dyn_ltree are set. // */ func _detect_data_type(tls *libc.TLS, s uintptr) (r int32) { var block_mask uint64 var n int32 _, _ = block_mask, n /* block_mask is the bit mask of block-listed bytes * set bits 0..6, 14..25, and 28..31 * 0xf3ffc07f = binary 11110011111111111100000001111111 */ block_mask = uint64(0xf3ffc07f) /* Check for non-textual ("block-listed") bytes. */ n = 0 for { if !(n <= int32(31)) { break } if block_mask&uint64(1) != 0 && int32(*(*Tush)(unsafe.Pointer(s + 212 + uintptr(n)*4))) != 0 { return m_Z_BINARY } goto _1 _1: n++ block_mask >>= uint64(1) } /* Check for textual ("allow-listed") bytes. */ if int32(*(*Tush)(unsafe.Pointer(s + 212 + 9*4))) != 0 || int32(*(*Tush)(unsafe.Pointer(s + 212 + 10*4))) != 0 || int32(*(*Tush)(unsafe.Pointer(s + 212 + 13*4))) != 0 { return int32(m_Z_TEXT) } n = int32(32) for { if !(n < int32(m_LITERALS)) { break } if int32(*(*Tush)(unsafe.Pointer(s + 212 + uintptr(n)*4))) != 0 { return int32(m_Z_TEXT) } goto _2 _2: n++ } /* There are no "block-listed" or "allow-listed" bytes: * this stream either is empty or has tolerated ("gray-listed") bytes only. */ return m_Z_BINARY } // C documentation // // /* =========================================================================== // * Determine the best encoding for the current block: dynamic trees, static // * trees or store, and write out the encoded block. // */ func x__tr_flush_block(tls *libc.TLS, s uintptr, buf uintptr, stored_len Tulg, last int32) { var len1, len11, max_blindex, val, val1 int32 var opt_lenb, static_lenb, v1, v11, v3, v5, v9 Tulg var v10, v12, v4, v6, p13, p2, p7, p8 uintptr _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _, _ = len1, len11, max_blindex, opt_lenb, static_lenb, val, val1, v1, v10, v11, v12, v3, v4, v5, v6, v9, p13, p2, p7, p8 /* opt_len and static_len in bytes */ max_blindex = 0 /* index of last bit length code of non zero freq */ /* Build the Huffman trees unless a stored block is forced */ if (*Tdeflate_state)(unsafe.Pointer(s)).Flevel > 0 { /* Check if the file is binary or text */ if (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Fdata_type == int32(m_Z_UNKNOWN) { (*Tz_stream)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fstrm)).Fdata_type = _detect_data_type(tls, s) } /* Construct the literal and distance trees */ _build_tree(tls, s, s+2904) _build_tree(tls, s, s+2928) /* At this point, opt_len and static_len are the total bit lengths of * the compressed block data, excluding the tree representations. */ /* Build the bit length tree for the above two trees, and get the index * in bl_order of the last bit length code to send. */ max_blindex = _build_bl_tree(tls, s) /* Determine the best encoding. Compute the block lengths in bytes. */ opt_lenb = ((*Tdeflate_state)(unsafe.Pointer(s)).Fopt_len + uint64(3) + uint64(7)) >> int32(3) static_lenb = ((*Tdeflate_state)(unsafe.Pointer(s)).Fstatic_len + uint64(3) + uint64(7)) >> int32(3) if static_lenb <= opt_lenb || (*Tdeflate_state)(unsafe.Pointer(s)).Fstrategy == int32(m_Z_FIXED) { opt_lenb = static_lenb } } else { v1 = stored_len + libc.Uint64FromInt32(5) static_lenb = v1 opt_lenb = v1 /* force a stored block */ } if stored_len+uint64(4) <= opt_lenb && buf != libc.UintptrFromInt32(0) { /* 4: two words for the lengths */ /* The test buf != NULL is only necessary if LIT_BUFSIZE > WSIZE. * Otherwise we can't have processed more than WSIZE input bytes since * the last block flush, because compression would have been * successful. If LIT_BUFSIZE <= WSIZE, it is never too late to * transform a block into a stored block. */ x__tr_stored_block(tls, s, buf, stored_len, last) } else { if static_lenb == opt_lenb { len1 = int32(3) if (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid > libc.Int32FromInt32(m_Buf_size)-len1 { val = libc.Int32FromInt32(m_STATIC_TREES)<> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len1 - int32(m_Buf_size) } else { p7 = s + 5936 *(*Tush)(unsafe.Pointer(p7)) = Tush(int32(*(*Tush)(unsafe.Pointer(p7))) | int32(uint16(libc.Int32FromInt32(m_STATIC_TREES)< libc.Int32FromInt32(m_Buf_size)-len11 { val1 = libc.Int32FromInt32(m_DYN_TREES)<> libc.Int32FromInt32(8)) (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_buf = uint16(int32(uint16(uint16(val1))) >> (int32(m_Buf_size) - (*Tdeflate_state)(unsafe.Pointer(s)).Fbi_valid)) *(*int32)(unsafe.Pointer(s + 5940)) += len11 - int32(m_Buf_size) } else { p13 = s + 5936 *(*Tush)(unsafe.Pointer(p13)) = Tush(int32(*(*Tush)(unsafe.Pointer(p13))) | int32(uint16(libc.Int32FromInt32(m_DYN_TREES)<> libc.Int32FromInt32(8)) v6 = s + 5900 v5 = *(*TuInt)(unsafe.Pointer(v6)) *(*TuInt)(unsafe.Pointer(v6))++ *(*Tuchf)(unsafe.Pointer((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_buf + uintptr(v5))) = uint8(uint8(lc)) if dist == uint32(0) { /* lc is the unmatched char */ *(*Tush)(unsafe.Pointer(s + 212 + uintptr(lc)*4))++ } else { (*Tdeflate_state)(unsafe.Pointer(s)).Fmatches++ /* Here, lc is the match length - MIN_MATCH */ dist-- /* dist = match distance - 1 */ *(*Tush)(unsafe.Pointer(s + 212 + uintptr(int32(x__length_code[lc])+int32(m_LITERALS)+int32(1))*4))++ if dist < uint32(256) { v7 = int32(x__dist_code[dist]) } else { v7 = int32(x__dist_code[uint32(256)+dist>>int32(7)]) } *(*Tush)(unsafe.Pointer(s + 2504 + uintptr(v7)*4))++ } return libc.BoolInt32((*Tdeflate_state)(unsafe.Pointer(s)).Fsym_next == (*Tdeflate_state)(unsafe.Pointer(s)).Fsym_end) } type t__mbstate_t = struct { F__count int32 F__value struct { F__wchb [0][4]int8 F__wch uint32 } } type t__fpos_t = struct { F__pos t__off_t F__state t__mbstate_t } type T_G_fpos_t = t__fpos_t type t__fpos64_t = struct { F__pos t__off64_t F__state t__mbstate_t } type T_G_fpos64_t = t__fpos64_t type T_IO_FILE = struct { F_flags int32 F_IO_read_ptr uintptr F_IO_read_end uintptr F_IO_read_base uintptr F_IO_write_base uintptr F_IO_write_ptr uintptr F_IO_write_end uintptr F_IO_buf_base uintptr F_IO_buf_end uintptr F_IO_save_base uintptr F_IO_backup_base uintptr F_IO_save_end uintptr F_markers uintptr F_chain uintptr F_fileno int32 F_flags2 int32 F_old_offset t__off_t F_cur_column uint16 F_vtable_offset int8 F_shortbuf [1]int8 F_lock uintptr F_offset t__off64_t F_codecvt uintptr F_wide_data uintptr F_freeres_list uintptr F_freeres_buf uintptr F__pad5 Tsize_t F_mode int32 F_unused2 [20]int8 } type t__FILE = struct { F_flags int32 F_IO_read_ptr uintptr F_IO_read_end uintptr F_IO_read_base uintptr F_IO_write_base uintptr F_IO_write_ptr uintptr F_IO_write_end uintptr F_IO_buf_base uintptr F_IO_buf_end uintptr F_IO_save_base uintptr F_IO_backup_base uintptr F_IO_save_end uintptr F_markers uintptr F_chain uintptr F_fileno int32 F_flags2 int32 F_old_offset t__off_t F_cur_column uint16 F_vtable_offset int8 F_shortbuf [1]int8 F_lock uintptr F_offset t__off64_t F_codecvt uintptr F_wide_data uintptr F_freeres_list uintptr F_freeres_buf uintptr F__pad5 Tsize_t F_mode int32 F_unused2 [20]int8 } type TFILE = struct { F_flags int32 F_IO_read_ptr uintptr F_IO_read_end uintptr F_IO_read_base uintptr F_IO_write_base uintptr F_IO_write_ptr uintptr F_IO_write_end uintptr F_IO_buf_base uintptr F_IO_buf_end uintptr F_IO_save_base uintptr F_IO_backup_base uintptr F_IO_save_end uintptr F_markers uintptr F_chain uintptr F_fileno int32 F_flags2 int32 F_old_offset t__off_t F_cur_column uint16 F_vtable_offset int8 F_shortbuf [1]int8 F_lock uintptr F_offset t__off64_t F_codecvt uintptr F_wide_data uintptr F_freeres_list uintptr F_freeres_buf uintptr F__pad5 Tsize_t F_mode int32 F_unused2 [20]int8 } type T_IO_lock_t = struct{} type Tfpos_t = struct { F__pos t__off_t F__state t__mbstate_t } type Tfpos64_t = struct { F__pos t__off64_t F__state t__mbstate_t } type Tflock = struct { Fl_type int16 Fl_whence int16 Fl_start t__off_t Fl_len t__off_t Fl_pid t__pid_t } type Tflock_t = struct { Fl_type int16 Fl_whence int16 Fl_start t__off_t Fl_len t__off_t Fl_pid t__pid_t } type Tflock64 = struct { Fl_type int16 Fl_whence int16 Fl_start t__off64_t Fl_len t__off64_t Fl_pid t__pid_t } type Tstat = struct { Fst_dev t__dev_t Fst_pad1 [3]int32 Fst_ino t__ino_t Fst_mode t__mode_t Fst_nlink t__nlink_t Fst_uid t__uid_t Fst_gid t__gid_t Fst_rdev t__dev_t Fst_pad2 [2]uint32 Fst_size t__off_t Fst_pad3 int32 Fst_atim Ttimespec Fst_mtim Ttimespec Fst_ctim Ttimespec Fst_blksize t__blksize_t Fst_pad4 uint32 Fst_blocks t__blkcnt_t Fst_pad5 [14]int32 } type Tstat64 = struct { Fst_dev t__dev_t Fst_pad1 [3]uint32 Fst_ino t__ino64_t Fst_mode t__mode_t Fst_nlink t__nlink_t Fst_uid t__uid_t Fst_gid t__gid_t Fst_rdev t__dev_t Fst_pad2 [3]uint32 Fst_size t__off64_t Fst_atim Ttimespec Fst_mtim Ttimespec Fst_ctim Ttimespec Fst_blksize t__blksize_t Fst_pad3 uint32 Fst_blocks t__blkcnt64_t Fst_pad4 [14]int32 } type Tgz_state = struct { Fx TgzFile_s Fmode int32 Ffd int32 Fpath uintptr Fsize uint32 Fwant uint32 Fin uintptr Fout uintptr Fdirect int32 Fhow int32 Fstart Toff64_t Feof int32 Fpast int32 Flevel int32 Fstrategy int32 Freset int32 Fskip Toff64_t Fseek int32 Ferr int32 Fmsg uintptr Fstrm Tz_stream } type Tgz_statep = uintptr func XzlibVersion(tls *libc.TLS) (r uintptr) { return __ccgo_ts } func XzlibCompileFlags(tls *libc.TLS) (r TuLong) { var flags TuLong _ = flags flags = uint64(0) switch int32(libc.Uint64FromInt64(4)) { case int32(2): case int32(4): flags += uint64(1) case int32(8): flags += uint64(2) default: flags += uint64(3) } switch int32(libc.Uint64FromInt64(8)) { case int32(2): case int32(4): flags += uint64(libc.Int32FromInt32(1) << libc.Int32FromInt32(2)) case int32(8): flags += uint64(libc.Int32FromInt32(2) << libc.Int32FromInt32(2)) default: flags += uint64(libc.Int32FromInt32(3) << libc.Int32FromInt32(2)) } switch int32(libc.Uint64FromInt64(8)) { case int32(2): case int32(4): flags += uint64(libc.Int32FromInt32(1) << libc.Int32FromInt32(4)) case int32(8): flags += uint64(libc.Int32FromInt32(2) << libc.Int32FromInt32(4)) default: flags += uint64(libc.Int32FromInt32(3) << libc.Int32FromInt32(4)) } switch int32(libc.Uint64FromInt64(8)) { case int32(2): case int32(4): flags += uint64(libc.Int32FromInt32(1) << libc.Int32FromInt32(6)) case int32(8): flags += uint64(libc.Int32FromInt32(2) << libc.Int32FromInt32(6)) default: flags += uint64(libc.Int32FromInt32(3) << libc.Int32FromInt32(6)) } /* #if defined(ASMV) || defined(ASMINF) flags += 1 << 9; #endif */ return flags } // C documentation // // /* exported to allow conversion of error code to string for compress() and // * uncompress() // */ func XzError(tls *libc.TLS, err int32) (r uintptr) { return Xz_errmsg[int32(m_Z_NEED_DICT)-err] } func Xzcalloc(tls *libc.TLS, opaque Tvoidpf, items uint32, size uint32) (r Tvoidpf) { _ = opaque return libc.Xmalloc(tls, uint64(items*size)) } func Xzcfree(tls *libc.TLS, opaque Tvoidpf, ptr Tvoidpf) { _ = opaque libc.Xfree(tls, ptr) } // C documentation // // /* =========================================================================== // Compresses the source buffer into the destination buffer. The level // parameter has the same meaning as in deflateInit. sourceLen is the byte // length of the source buffer. Upon entry, destLen is the total size of the // destination buffer, which must be at least 0.1% larger than sourceLen plus // 12 bytes. Upon exit, destLen is the actual size of the compressed buffer. // // compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough // memory, Z_BUF_ERROR if there was not enough room in the output buffer, // Z_STREAM_ERROR if the level parameter is invalid. // */ func Xcompress2(tls *libc.TLS, dest uintptr, destLen uintptr, source uintptr, sourceLen TuLong, level int32) (r int32) { bp := tls.Alloc(112) defer tls.Free(112) var err, v3, v4 int32 var left TuLong var max TuInt var v1, v2 uint32 var _ /* stream at bp+0 */ Tz_stream _, _, _, _, _, _, _ = err, left, max, v1, v2, v3, v4 max = uint32(-libc.Int32FromInt32(1)) left = *(*TuLongf)(unsafe.Pointer(destLen)) *(*TuLongf)(unsafe.Pointer(destLen)) = uint64(0) (*(*Tz_stream)(unsafe.Pointer(bp))).Fzalloc = libc.UintptrFromInt32(0) (*(*Tz_stream)(unsafe.Pointer(bp))).Fzfree = libc.UintptrFromInt32(0) (*(*Tz_stream)(unsafe.Pointer(bp))).Fopaque = libc.UintptrFromInt32(0) err = XdeflateInit_(tls, bp, level, __ccgo_ts, libc.Int32FromInt64(112)) if err != m_Z_OK { return err } (*(*Tz_stream)(unsafe.Pointer(bp))).Fnext_out = dest (*(*Tz_stream)(unsafe.Pointer(bp))).Favail_out = uint32(0) (*(*Tz_stream)(unsafe.Pointer(bp))).Fnext_in = source (*(*Tz_stream)(unsafe.Pointer(bp))).Favail_in = uint32(0) for cond := true; cond; cond = err == m_Z_OK { if (*(*Tz_stream)(unsafe.Pointer(bp))).Favail_out == uint32(0) { if left > uint64(uint64(max)) { v1 = max } else { v1 = uint32(uint32(left)) } (*(*Tz_stream)(unsafe.Pointer(bp))).Favail_out = v1 left -= uint64((*(*Tz_stream)(unsafe.Pointer(bp))).Favail_out) } if (*(*Tz_stream)(unsafe.Pointer(bp))).Favail_in == uint32(0) { if sourceLen > uint64(uint64(max)) { v2 = max } else { v2 = uint32(uint32(sourceLen)) } (*(*Tz_stream)(unsafe.Pointer(bp))).Favail_in = v2 sourceLen -= uint64((*(*Tz_stream)(unsafe.Pointer(bp))).Favail_in) } if sourceLen != 0 { v3 = m_Z_NO_FLUSH } else { v3 = int32(m_Z_FINISH) } err = Xdeflate(tls, bp, v3) } *(*TuLongf)(unsafe.Pointer(destLen)) = (*(*Tz_stream)(unsafe.Pointer(bp))).Ftotal_out XdeflateEnd(tls, bp) if err == int32(m_Z_STREAM_END) { v4 = m_Z_OK } else { v4 = err } return v4 } // C documentation // // /* =========================================================================== // */ func Xcompress(tls *libc.TLS, dest uintptr, destLen uintptr, source uintptr, sourceLen TuLong) (r int32) { return Xcompress2(tls, dest, destLen, source, sourceLen, -int32(1)) } // C documentation // // /* =========================================================================== // If the default memLevel or windowBits for deflateInit() is changed, then // this function needs to be updated. // */ func XcompressBound(tls *libc.TLS, sourceLen TuLong) (r TuLong) { return sourceLen + sourceLen>>libc.Int32FromInt32(12) + sourceLen>>libc.Int32FromInt32(14) + sourceLen>>libc.Int32FromInt32(25) + uint64(13) } // C documentation // // /* =========================================================================== // Decompresses the source buffer into the destination buffer. *sourceLen is // the byte length of the source buffer. Upon entry, *destLen is the total size // of the destination buffer, which must be large enough to hold the entire // uncompressed data. (The size of the uncompressed data must have been saved // previously by the compressor and transmitted to the decompressor by some // mechanism outside the scope of this compression library.) Upon exit, // *destLen is the size of the decompressed data and *sourceLen is the number // of source bytes consumed. Upon return, source + *sourceLen points to the // first unused input byte. // // uncompress returns Z_OK if success, Z_MEM_ERROR if there was not enough // memory, Z_BUF_ERROR if there was not enough room in the output buffer, or // Z_DATA_ERROR if the input data was corrupted, including if the input data is // an incomplete zlib stream. // */ func Xuncompress2(tls *libc.TLS, dest uintptr, destLen uintptr, source uintptr, sourceLen uintptr) (r int32) { bp := tls.Alloc(128) defer tls.Free(128) var err, v3, v4, v5 int32 var left, len1 TuLong var max TuInt var v1, v2 uint32 var _ /* buf at bp+112 */ [1]TByte var _ /* stream at bp+0 */ Tz_stream _, _, _, _, _, _, _, _, _ = err, left, len1, max, v1, v2, v3, v4, v5 max = uint32(-libc.Int32FromInt32(1)) /* for detection of incomplete stream when *destLen == 0 */ len1 = *(*TuLong)(unsafe.Pointer(sourceLen)) if *(*TuLongf)(unsafe.Pointer(destLen)) != 0 { left = *(*TuLongf)(unsafe.Pointer(destLen)) *(*TuLongf)(unsafe.Pointer(destLen)) = uint64(0) } else { left = uint64(1) dest = bp + 112 } (*(*Tz_stream)(unsafe.Pointer(bp))).Fnext_in = source (*(*Tz_stream)(unsafe.Pointer(bp))).Favail_in = uint32(0) (*(*Tz_stream)(unsafe.Pointer(bp))).Fzalloc = libc.UintptrFromInt32(0) (*(*Tz_stream)(unsafe.Pointer(bp))).Fzfree = libc.UintptrFromInt32(0) (*(*Tz_stream)(unsafe.Pointer(bp))).Fopaque = libc.UintptrFromInt32(0) err = XinflateInit_(tls, bp, __ccgo_ts, libc.Int32FromInt64(112)) if err != m_Z_OK { return err } (*(*Tz_stream)(unsafe.Pointer(bp))).Fnext_out = dest (*(*Tz_stream)(unsafe.Pointer(bp))).Favail_out = uint32(0) for cond := true; cond; cond = err == m_Z_OK { if (*(*Tz_stream)(unsafe.Pointer(bp))).Favail_out == uint32(0) { if left > uint64(uint64(max)) { v1 = max } else { v1 = uint32(uint32(left)) } (*(*Tz_stream)(unsafe.Pointer(bp))).Favail_out = v1 left -= uint64((*(*Tz_stream)(unsafe.Pointer(bp))).Favail_out) } if (*(*Tz_stream)(unsafe.Pointer(bp))).Favail_in == uint32(0) { if len1 > uint64(uint64(max)) { v2 = max } else { v2 = uint32(uint32(len1)) } (*(*Tz_stream)(unsafe.Pointer(bp))).Favail_in = v2 len1 -= uint64((*(*Tz_stream)(unsafe.Pointer(bp))).Favail_in) } err = Xinflate(tls, bp, m_Z_NO_FLUSH) } *(*TuLong)(unsafe.Pointer(sourceLen)) -= len1 + uint64((*(*Tz_stream)(unsafe.Pointer(bp))).Favail_in) if dest != bp+112 { *(*TuLongf)(unsafe.Pointer(destLen)) = (*(*Tz_stream)(unsafe.Pointer(bp))).Ftotal_out } else { if (*(*Tz_stream)(unsafe.Pointer(bp))).Ftotal_out != 0 && err == -int32(5) { left = uint64(1) } } XinflateEnd(tls, bp) if err == int32(m_Z_STREAM_END) { v3 = m_Z_OK } else { if err == int32(m_Z_NEED_DICT) { v4 = -int32(3) } else { if err == -int32(5) && left+uint64((*(*Tz_stream)(unsafe.Pointer(bp))).Favail_out) != 0 { v5 = -int32(3) } else { v5 = err } v4 = v5 } v3 = v4 } return v3 } func Xuncompress(tls *libc.TLS, dest uintptr, destLen uintptr, source uintptr, _sourceLen TuLong) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) *(*TuLong)(unsafe.Pointer(bp)) = _sourceLen return Xuncompress2(tls, dest, destLen, source, bp) } const m_GZ_READ = 7247 /* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t value -- needed when comparing unsigned to z_off64_t, which is signed (possible z_off64_t types off_t, off64_t, and long are all signed) */ // C documentation // // /* gzclose() is in a separate file so that it is linked in only if it is used. // That way the other gzclose functions can be used instead to avoid linking in // unneeded compression or decompression routines. */ func Xgzclose(tls *libc.TLS, file TgzFile) (r int32) { var state Tgz_statep var v1 int32 _, _ = state, v1 if file == libc.UintptrFromInt32(0) { return -int32(2) } state = file if (*Tgz_state)(unsafe.Pointer(state)).Fmode == int32(m_GZ_READ) { v1 = Xgzclose_r(tls, file) } else { v1 = Xgzclose_w(tls, file) } return v1 } const m_COPY = 1 const m_GZBUFSIZE = 8192 const m_GZ_APPEND = 1 const m_GZ_NONE = 0 const m_GZ_WRITE = 31153 const m_LOOK = 0 const m_O_APPEND = 8 const m_O_CREAT = 256 const m_O_EXCL = 1024 const m_O_RDONLY = 0 const m_O_TRUNC = 512 const m_O_WRONLY = 1 const m_SEEK_CUR = 1 const m_SEEK_END = 2 const m_SEEK_SET = 0 const m___INT_MAX__ = 2147483647 const m___O_CLOEXEC = 524288 const m___O_LARGEFILE = 0 /* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t value -- needed when comparing unsigned to z_off64_t, which is signed (possible z_off64_t types off_t, off64_t, and long are all signed) */ // C documentation // // /* Reset gzip file state */ func _gz_reset(tls *libc.TLS, state Tgz_statep) { (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave = uint32(0) /* no output data available */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode == int32(m_GZ_READ) { /* for reading ... */ (*Tgz_state)(unsafe.Pointer(state)).Feof = 0 /* not at end of file */ (*Tgz_state)(unsafe.Pointer(state)).Fpast = 0 /* have not read past end yet */ (*Tgz_state)(unsafe.Pointer(state)).Fhow = m_LOOK /* look for gzip header */ } else { /* for writing ... */ (*Tgz_state)(unsafe.Pointer(state)).Freset = 0 } /* no deflateReset pending */ (*Tgz_state)(unsafe.Pointer(state)).Fseek = 0 /* no seek request pending */ Xgz_error(tls, state, m_Z_OK, libc.UintptrFromInt32(0)) /* clear error */ (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos = 0 /* no uncompressed data yet */ (*Tgz_state)(unsafe.Pointer(state)).Fstrm.Favail_in = uint32(0) /* no input data yet */ } // C documentation // // /* Open a gzip file either by name or file descriptor. */ func _gz_open(tls *libc.TLS, path uintptr, fd int32, mode uintptr) (r TgzFile) { bp := tls.Alloc(16) defer tls.Free(16) var cloexec, exclusive, oflag, v1, v2, v3, v4, v5 int32 var len1 Tz_size_t var state Tgz_statep _, _, _, _, _, _, _, _, _, _ = cloexec, exclusive, len1, oflag, state, v1, v2, v3, v4, v5 cloexec = 0 exclusive = 0 /* check input */ if path == libc.UintptrFromInt32(0) { return libc.UintptrFromInt32(0) } /* allocate gzFile structure to return */ state = libc.Xmalloc(tls, uint64(240)) if state == libc.UintptrFromInt32(0) { return libc.UintptrFromInt32(0) } (*Tgz_state)(unsafe.Pointer(state)).Fsize = uint32(0) /* no buffers allocated yet */ (*Tgz_state)(unsafe.Pointer(state)).Fwant = uint32(m_GZBUFSIZE) /* requested buffer size */ (*Tgz_state)(unsafe.Pointer(state)).Fmsg = libc.UintptrFromInt32(0) /* no error message yet */ /* interpret mode */ (*Tgz_state)(unsafe.Pointer(state)).Fmode = m_GZ_NONE (*Tgz_state)(unsafe.Pointer(state)).Flevel = -int32(1) (*Tgz_state)(unsafe.Pointer(state)).Fstrategy = m_Z_DEFAULT_STRATEGY (*Tgz_state)(unsafe.Pointer(state)).Fdirect = 0 for *(*int8)(unsafe.Pointer(mode)) != 0 { if int32(*(*int8)(unsafe.Pointer(mode))) >= int32('0') && int32(*(*int8)(unsafe.Pointer(mode))) <= int32('9') { (*Tgz_state)(unsafe.Pointer(state)).Flevel = int32(*(*int8)(unsafe.Pointer(mode))) - int32('0') } else { switch int32(*(*int8)(unsafe.Pointer(mode))) { case int32('r'): (*Tgz_state)(unsafe.Pointer(state)).Fmode = int32(m_GZ_READ) case int32('w'): (*Tgz_state)(unsafe.Pointer(state)).Fmode = int32(m_GZ_WRITE) case int32('a'): (*Tgz_state)(unsafe.Pointer(state)).Fmode = int32(m_GZ_APPEND) case int32('+'): libc.Xfree(tls, state) return libc.UintptrFromInt32(0) case int32('b'): case int32('e'): cloexec = int32(1) case int32('x'): exclusive = int32(1) case int32('f'): (*Tgz_state)(unsafe.Pointer(state)).Fstrategy = int32(m_Z_FILTERED) case int32('h'): (*Tgz_state)(unsafe.Pointer(state)).Fstrategy = int32(m_Z_HUFFMAN_ONLY) case int32('R'): (*Tgz_state)(unsafe.Pointer(state)).Fstrategy = int32(m_Z_RLE) case int32('F'): (*Tgz_state)(unsafe.Pointer(state)).Fstrategy = int32(m_Z_FIXED) case int32('T'): (*Tgz_state)(unsafe.Pointer(state)).Fdirect = int32(1) default: /* could consider as an error, but just ignore */ } } mode++ } /* must provide an "r", "w", or "a" */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode == m_GZ_NONE { libc.Xfree(tls, state) return libc.UintptrFromInt32(0) } /* can't force transparent read */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode == int32(m_GZ_READ) { if (*Tgz_state)(unsafe.Pointer(state)).Fdirect != 0 { libc.Xfree(tls, state) return libc.UintptrFromInt32(0) } (*Tgz_state)(unsafe.Pointer(state)).Fdirect = int32(1) /* for empty file */ } /* save the path name for error messages */ len1 = libc.Xstrlen(tls, path) (*Tgz_state)(unsafe.Pointer(state)).Fpath = libc.Xmalloc(tls, len1+uint64(1)) if (*Tgz_state)(unsafe.Pointer(state)).Fpath == libc.UintptrFromInt32(0) { libc.Xfree(tls, state) return libc.UintptrFromInt32(0) } libc.X__builtin_snprintf(tls, (*Tgz_state)(unsafe.Pointer(state)).Fpath, len1+uint64(1), __ccgo_ts+582, libc.VaList(bp+8, path)) /* compute the flags for open() */ if cloexec != 0 { v1 = int32(m___O_CLOEXEC) } else { v1 = 0 } if (*Tgz_state)(unsafe.Pointer(state)).Fmode == int32(m_GZ_READ) { v2 = m_O_RDONLY } else { if exclusive != 0 { v3 = int32(m_O_EXCL) } else { v3 = 0 } if (*Tgz_state)(unsafe.Pointer(state)).Fmode == int32(m_GZ_WRITE) { v4 = int32(m_O_TRUNC) } else { v4 = int32(m_O_APPEND) } v2 = libc.Int32FromInt32(m_O_WRONLY) | libc.Int32FromInt32(m_O_CREAT) | v3 | v4 } oflag = m___O_LARGEFILE | v1 | v2 /* open the file with the appropriate flags (or just use fd) */ if fd > -int32(1) { v5 = fd } else { v5 = libc.Xopen(tls, path, oflag, libc.VaList(bp+8, int32(0666))) } (*Tgz_state)(unsafe.Pointer(state)).Ffd = v5 if (*Tgz_state)(unsafe.Pointer(state)).Ffd == -int32(1) { libc.Xfree(tls, (*Tgz_state)(unsafe.Pointer(state)).Fpath) libc.Xfree(tls, state) return libc.UintptrFromInt32(0) } if (*Tgz_state)(unsafe.Pointer(state)).Fmode == int32(m_GZ_APPEND) { libc.Xlseek64(tls, (*Tgz_state)(unsafe.Pointer(state)).Ffd, 0, int32(m_SEEK_END)) /* so gzoffset() is correct */ (*Tgz_state)(unsafe.Pointer(state)).Fmode = int32(m_GZ_WRITE) /* simplify later checks */ } /* save the current position for rewinding (only if reading) */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode == int32(m_GZ_READ) { (*Tgz_state)(unsafe.Pointer(state)).Fstart = libc.Xlseek64(tls, (*Tgz_state)(unsafe.Pointer(state)).Ffd, 0, int32(m_SEEK_CUR)) if (*Tgz_state)(unsafe.Pointer(state)).Fstart == int64(-int32(1)) { (*Tgz_state)(unsafe.Pointer(state)).Fstart = 0 } } /* initialize stream */ _gz_reset(tls, state) /* return stream */ return state } // C documentation // // /* -- see zlib.h -- */ func Xgzopen(tls *libc.TLS, path uintptr, mode uintptr) (r TgzFile) { return _gz_open(tls, path, -int32(1), mode) } // C documentation // // /* -- see zlib.h -- */ func Xgzopen64(tls *libc.TLS, path uintptr, mode uintptr) (r TgzFile) { return _gz_open(tls, path, -int32(1), mode) } // C documentation // // /* -- see zlib.h -- */ func Xgzdopen(tls *libc.TLS, fd int32, mode uintptr) (r TgzFile) { bp := tls.Alloc(16) defer tls.Free(16) var gz TgzFile var path, v1 uintptr var v2 bool _, _, _, _ = gz, path, v1, v2 if v2 = fd == -int32(1); !v2 { v1 = libc.Xmalloc(tls, libc.Uint64FromInt32(7)+libc.Uint64FromInt32(3)*libc.Uint64FromInt64(4)) path = v1 } if v2 || v1 == libc.UintptrFromInt32(0) { return libc.UintptrFromInt32(0) } libc.X__builtin_snprintf(tls, path, libc.Uint64FromInt32(7)+libc.Uint64FromInt32(3)*libc.Uint64FromInt64(4), __ccgo_ts+585, libc.VaList(bp+8, fd)) gz = _gz_open(tls, path, fd, mode) libc.Xfree(tls, path) return gz } /* -- see zlib.h -- */ // C documentation // // /* -- see zlib.h -- */ func Xgzbuffer(tls *libc.TLS, file TgzFile, size uint32) (r int32) { var state Tgz_statep _ = state /* get internal structure and check integrity */ if file == libc.UintptrFromInt32(0) { return -int32(1) } state = file if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_READ) && (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_WRITE) { return -int32(1) } /* make sure we haven't already allocated memory */ if (*Tgz_state)(unsafe.Pointer(state)).Fsize != uint32(0) { return -int32(1) } /* check and set requested size */ if size<= 0 { ret = libc.Xlseek64(tls, (*Tgz_state)(unsafe.Pointer(state)).Ffd, offset-int64((*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave), int32(m_SEEK_CUR)) if ret == int64(-int32(1)) { return int64(-int32(1)) } (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave = uint32(0) (*Tgz_state)(unsafe.Pointer(state)).Feof = 0 (*Tgz_state)(unsafe.Pointer(state)).Fpast = 0 (*Tgz_state)(unsafe.Pointer(state)).Fseek = 0 Xgz_error(tls, state, m_Z_OK, libc.UintptrFromInt32(0)) (*Tgz_state)(unsafe.Pointer(state)).Fstrm.Favail_in = uint32(0) (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos += offset return (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos } /* calculate skip amount, rewinding if needed for back seek when reading */ if offset < 0 { if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_READ) { /* writing -- can't go backwards */ return int64(-int32(1)) } offset += (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos if offset < 0 { /* before start of file! */ return int64(-int32(1)) } if Xgzrewind(tls, file) == -int32(1) { /* rewind, then skip to offset */ return int64(-int32(1)) } } /* if reading, skip what's in output buffer (one less gzgetc() check) */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode == int32(m_GZ_READ) { if libc.Bool(libc.Bool(uint64(4) == uint64(8)) && (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave > uint32(m___INT_MAX__)) || int64((*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave) > offset { v1 = uint32(uint32(offset)) } else { v1 = (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave } n = v1 (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave -= n (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext += uintptr(n) (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos += int64(int64(n)) offset -= int64(int64(n)) } /* request skip (if not zero) */ if offset != 0 { (*Tgz_state)(unsafe.Pointer(state)).Fseek = int32(1) (*Tgz_state)(unsafe.Pointer(state)).Fskip = offset } return (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos + offset } // C documentation // // /* -- see zlib.h -- */ func Xgzseek(tls *libc.TLS, file TgzFile, offset Toff_t, whence int32) (r Toff_t) { var ret Toff64_t var v1 int64 _, _ = ret, v1 ret = Xgzseek64(tls, file, offset, whence) if ret == ret { v1 = ret } else { v1 = int64(-int32(1)) } return v1 } // C documentation // // /* -- see zlib.h -- */ func Xgztell64(tls *libc.TLS, file TgzFile) (r Toff64_t) { var state Tgz_statep var v1 int64 _, _ = state, v1 /* get internal structure and check integrity */ if file == libc.UintptrFromInt32(0) { return int64(-int32(1)) } state = file if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_READ) && (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_WRITE) { return int64(-int32(1)) } /* return position */ if (*Tgz_state)(unsafe.Pointer(state)).Fseek != 0 { v1 = (*Tgz_state)(unsafe.Pointer(state)).Fskip } else { v1 = 0 } return (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos + v1 } // C documentation // // /* -- see zlib.h -- */ func Xgztell(tls *libc.TLS, file TgzFile) (r Toff_t) { var ret Toff64_t var v1 int64 _, _ = ret, v1 ret = Xgztell64(tls, file) if ret == ret { v1 = ret } else { v1 = int64(-int32(1)) } return v1 } // C documentation // // /* -- see zlib.h -- */ func Xgzoffset64(tls *libc.TLS, file TgzFile) (r Toff64_t) { var offset Toff64_t var state Tgz_statep _, _ = offset, state /* get internal structure and check integrity */ if file == libc.UintptrFromInt32(0) { return int64(-int32(1)) } state = file if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_READ) && (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_WRITE) { return int64(-int32(1)) } /* compute and return effective offset in file */ offset = libc.Xlseek64(tls, (*Tgz_state)(unsafe.Pointer(state)).Ffd, 0, int32(m_SEEK_CUR)) if offset == int64(-int32(1)) { return int64(-int32(1)) } if (*Tgz_state)(unsafe.Pointer(state)).Fmode == int32(m_GZ_READ) { /* reading */ offset -= int64((*Tgz_state)(unsafe.Pointer(state)).Fstrm.Favail_in) } /* don't count buffered input */ return offset } // C documentation // // /* -- see zlib.h -- */ func Xgzoffset(tls *libc.TLS, file TgzFile) (r Toff_t) { var ret Toff64_t var v1 int64 _, _ = ret, v1 ret = Xgzoffset64(tls, file) if ret == ret { v1 = ret } else { v1 = int64(-int32(1)) } return v1 } // C documentation // // /* -- see zlib.h -- */ func Xgzeof(tls *libc.TLS, file TgzFile) (r int32) { var state Tgz_statep var v1 int32 _, _ = state, v1 /* get internal structure and check integrity */ if file == libc.UintptrFromInt32(0) { return 0 } state = file if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_READ) && (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_WRITE) { return 0 } /* return end-of-file state */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode == int32(m_GZ_READ) { v1 = (*Tgz_state)(unsafe.Pointer(state)).Fpast } else { v1 = 0 } return v1 } // C documentation // // /* -- see zlib.h -- */ func Xgzerror(tls *libc.TLS, file TgzFile, errnum uintptr) (r uintptr) { var state Tgz_statep var v1, v2 uintptr _, _, _ = state, v1, v2 /* get internal structure and check integrity */ if file == libc.UintptrFromInt32(0) { return libc.UintptrFromInt32(0) } state = file if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_READ) && (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_WRITE) { return libc.UintptrFromInt32(0) } /* return error information */ if errnum != libc.UintptrFromInt32(0) { *(*int32)(unsafe.Pointer(errnum)) = (*Tgz_state)(unsafe.Pointer(state)).Ferr } if (*Tgz_state)(unsafe.Pointer(state)).Ferr == -int32(4) { v1 = __ccgo_ts + 593 } else { if (*Tgz_state)(unsafe.Pointer(state)).Fmsg == libc.UintptrFromInt32(0) { v2 = __ccgo_ts + 492 } else { v2 = (*Tgz_state)(unsafe.Pointer(state)).Fmsg } v1 = v2 } return v1 } // C documentation // // /* -- see zlib.h -- */ func Xgzclearerr(tls *libc.TLS, file TgzFile) { var state Tgz_statep _ = state /* get internal structure and check integrity */ if file == libc.UintptrFromInt32(0) { return } state = file if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_READ) && (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_WRITE) { return } /* clear error and end-of-file */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode == int32(m_GZ_READ) { (*Tgz_state)(unsafe.Pointer(state)).Feof = 0 (*Tgz_state)(unsafe.Pointer(state)).Fpast = 0 } Xgz_error(tls, state, m_Z_OK, libc.UintptrFromInt32(0)) } // C documentation // // /* Create an error message in allocated memory and set state->err and // state->msg accordingly. Free any previous error message already there. Do // not try to free or allocate space if the error is Z_MEM_ERROR (out of // memory). Simply save the error message as a static string. If there is an // allocation failure constructing the error message, then convert the error to // out of memory. */ func Xgz_error(tls *libc.TLS, state Tgz_statep, err int32, msg uintptr) { bp := tls.Alloc(32) defer tls.Free(32) var v1 uintptr _ = v1 /* free previously allocated message and clear */ if (*Tgz_state)(unsafe.Pointer(state)).Fmsg != libc.UintptrFromInt32(0) { if (*Tgz_state)(unsafe.Pointer(state)).Ferr != -int32(4) { libc.Xfree(tls, (*Tgz_state)(unsafe.Pointer(state)).Fmsg) } (*Tgz_state)(unsafe.Pointer(state)).Fmsg = libc.UintptrFromInt32(0) } /* if fatal, set state->x.have to 0 so that the gzgetc() macro fails */ if err != m_Z_OK && err != -int32(5) { (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave = uint32(0) } /* set error code, and if no message, then done */ (*Tgz_state)(unsafe.Pointer(state)).Ferr = err if msg == libc.UintptrFromInt32(0) { return } /* for an out of memory error, return literal string when requested */ if err == -int32(4) { return } /* construct error message with path */ v1 = libc.Xmalloc(tls, libc.Xstrlen(tls, (*Tgz_state)(unsafe.Pointer(state)).Fpath)+libc.Xstrlen(tls, msg)+uint64(3)) (*Tgz_state)(unsafe.Pointer(state)).Fmsg = v1 if v1 == libc.UintptrFromInt32(0) { (*Tgz_state)(unsafe.Pointer(state)).Ferr = -int32(4) return } libc.X__builtin_snprintf(tls, (*Tgz_state)(unsafe.Pointer(state)).Fmsg, libc.Xstrlen(tls, (*Tgz_state)(unsafe.Pointer(state)).Fpath)+libc.Xstrlen(tls, msg)+uint64(3), __ccgo_ts+607, libc.VaList(bp+8, (*Tgz_state)(unsafe.Pointer(state)).Fpath, __ccgo_ts+614, msg)) } const m_GZIP = 2 /* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t value -- needed when comparing unsigned to z_off64_t, which is signed (possible z_off64_t types off_t, off64_t, and long are all signed) */ // C documentation // // /* Use read() to load a buffer -- return -1 on error, otherwise 0. Read from // state->fd, and update state->eof, state->err, and state->msg as appropriate. // This function needs to loop on read(), since read() is not guaranteed to // read the number of bytes requested, depending on the type of descriptor. */ func _gz_load(tls *libc.TLS, state Tgz_statep, buf uintptr, len1 uint32, have uintptr) (r int32) { var get, max uint32 var ret int32 _, _, _ = get, max, ret max = uint32(-libc.Int32FromInt32(1))>>libc.Int32FromInt32(2) + libc.Uint32FromInt32(1) *(*uint32)(unsafe.Pointer(have)) = uint32(0) for cond := true; cond; cond = *(*uint32)(unsafe.Pointer(have)) < len1 { get = len1 - *(*uint32)(unsafe.Pointer(have)) if get > max { get = max } ret = int32(libc.Xread(tls, (*Tgz_state)(unsafe.Pointer(state)).Ffd, buf+uintptr(*(*uint32)(unsafe.Pointer(have))), uint64(uint64(get)))) if ret <= 0 { break } *(*uint32)(unsafe.Pointer(have)) += uint32(uint32(ret)) } if ret < 0 { Xgz_error(tls, state, -int32(1), libc.Xstrerror(tls, *(*int32)(unsafe.Pointer(libc.X__errno_location(tls))))) return -int32(1) } if ret == 0 { (*Tgz_state)(unsafe.Pointer(state)).Feof = int32(1) } return 0 } // C documentation // // /* Load up input buffer and set eof flag if last data loaded -- return -1 on // error, 0 otherwise. Note that the eof flag is set when the end of the input // file is reached, even though there may be unused data in the buffer. Once // that data has been used, no more attempts will be made to read the file. // If strm->avail_in != 0, then the current data is moved to the beginning of // the input buffer, and then the remainder of the buffer is loaded with the // available data from the input file. */ func _gz_avail(tls *libc.TLS, state Tgz_statep) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) var n, v1 uint32 var p, q, v3, v4 uintptr var strm Tz_streamp var _ /* got at bp+0 */ uint32 _, _, _, _, _, _, _ = n, p, q, strm, v1, v3, v4 strm = state + 128 if (*Tgz_state)(unsafe.Pointer(state)).Ferr != m_Z_OK && (*Tgz_state)(unsafe.Pointer(state)).Ferr != -int32(5) { return -int32(1) } if (*Tgz_state)(unsafe.Pointer(state)).Feof == 0 { if (*Tz_stream)(unsafe.Pointer(strm)).Favail_in != 0 { /* copy what's there to the start */ p = (*Tgz_state)(unsafe.Pointer(state)).Fin q = (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in n = (*Tz_stream)(unsafe.Pointer(strm)).Favail_in for { v3 = p p++ v4 = q q++ *(*uint8)(unsafe.Pointer(v3)) = *(*uint8)(unsafe.Pointer(v4)) goto _2 _2: n-- v1 = n if !(v1 != 0) { break } } } if _gz_load(tls, state, (*Tgz_state)(unsafe.Pointer(state)).Fin+uintptr((*Tz_stream)(unsafe.Pointer(strm)).Favail_in), (*Tgz_state)(unsafe.Pointer(state)).Fsize-(*Tz_stream)(unsafe.Pointer(strm)).Favail_in, bp) == -int32(1) { return -int32(1) } *(*TuInt)(unsafe.Pointer(strm + 8)) += *(*uint32)(unsafe.Pointer(bp)) (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in = (*Tgz_state)(unsafe.Pointer(state)).Fin } return 0 } // C documentation // // /* Look for gzip header, set up for inflate or copy. state->x.have must be 0. // If this is the first time in, allocate required memory. state->how will be // left unchanged if there is no more input data available, will be set to COPY // if there is no gzip header and direct copying will be performed, or it will // be set to GZIP for decompression. If direct copying, then leftover input // data from the input buffer will be copied to the output buffer. In that // case, all further file reads will be directly to either the output buffer or // a user buffer. If decompressing, the inflate state will be initialized. // gz_look() will return 0 on success or -1 on failure. */ func _gz_look(tls *libc.TLS, state Tgz_statep) (r int32) { var strm Tz_streamp _ = strm strm = state + 128 /* allocate read buffers and inflate memory */ if (*Tgz_state)(unsafe.Pointer(state)).Fsize == uint32(0) { /* allocate buffers */ (*Tgz_state)(unsafe.Pointer(state)).Fin = libc.Xmalloc(tls, uint64((*Tgz_state)(unsafe.Pointer(state)).Fwant)) (*Tgz_state)(unsafe.Pointer(state)).Fout = libc.Xmalloc(tls, uint64((*Tgz_state)(unsafe.Pointer(state)).Fwant< uint32(1) && int32(*(*TBytef)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fnext_in))) == int32(31) && int32(*(*TBytef)(unsafe.Pointer((*Tz_stream)(unsafe.Pointer(strm)).Fnext_in + 1))) == int32(139) { XinflateReset(tls, strm) (*Tgz_state)(unsafe.Pointer(state)).Fhow = int32(m_GZIP) (*Tgz_state)(unsafe.Pointer(state)).Fdirect = 0 return 0 } /* no gzip header -- if we were decoding gzip before, then this is trailing garbage. Ignore the trailing garbage and finish. */ if (*Tgz_state)(unsafe.Pointer(state)).Fdirect == 0 { (*Tz_stream)(unsafe.Pointer(strm)).Favail_in = uint32(0) (*Tgz_state)(unsafe.Pointer(state)).Feof = int32(1) (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave = uint32(0) return 0 } /* doing raw i/o, copy any leftover input to output -- this assumes that the output buffer is larger than the input buffer, which also assures space for gzungetc() */ (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext = (*Tgz_state)(unsafe.Pointer(state)).Fout libc.Xmemcpy(tls, (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext, (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in, uint64((*Tz_stream)(unsafe.Pointer(strm)).Favail_in)) (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave = (*Tz_stream)(unsafe.Pointer(strm)).Favail_in (*Tz_stream)(unsafe.Pointer(strm)).Favail_in = uint32(0) (*Tgz_state)(unsafe.Pointer(state)).Fhow = int32(m_COPY) (*Tgz_state)(unsafe.Pointer(state)).Fdirect = int32(1) return 0 } // C documentation // // /* Decompress from input to the provided next_out and avail_out in the state. // On return, state->x.have and state->x.next point to the just decompressed // data. If the gzip stream completes, state->how is reset to LOOK to look for // the next gzip stream or raw data, once state->x.have is depleted. Returns 0 // on success, -1 on failure. */ func _gz_decomp(tls *libc.TLS, state Tgz_statep) (r int32) { var had uint32 var ret int32 var strm Tz_streamp var v1 uintptr _, _, _, _ = had, ret, strm, v1 ret = m_Z_OK strm = state + 128 /* fill output buffer up to end of deflate stream */ had = (*Tz_stream)(unsafe.Pointer(strm)).Favail_out for cond := true; cond; cond = (*Tz_stream)(unsafe.Pointer(strm)).Favail_out != 0 && ret != int32(m_Z_STREAM_END) { /* get more input for inflate() */ if (*Tz_stream)(unsafe.Pointer(strm)).Favail_in == uint32(0) && _gz_avail(tls, state) == -int32(1) { return -int32(1) } if (*Tz_stream)(unsafe.Pointer(strm)).Favail_in == uint32(0) { Xgz_error(tls, state, -int32(5), __ccgo_ts+617) break } /* decompress and handle errors */ ret = Xinflate(tls, strm, m_Z_NO_FLUSH) if ret == -int32(2) || ret == int32(m_Z_NEED_DICT) { Xgz_error(tls, state, -int32(2), __ccgo_ts+640) return -int32(1) } if ret == -int32(4) { Xgz_error(tls, state, -int32(4), __ccgo_ts+593) return -int32(1) } if ret == -int32(3) { /* deflate stream invalid */ if (*Tz_stream)(unsafe.Pointer(strm)).Fmsg == libc.UintptrFromInt32(0) { v1 = __ccgo_ts + 679 } else { v1 = (*Tz_stream)(unsafe.Pointer(strm)).Fmsg } Xgz_error(tls, state, -int32(3), v1) return -int32(1) } } /* update available output */ (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave = had - (*Tz_stream)(unsafe.Pointer(strm)).Favail_out (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext = (*Tz_stream)(unsafe.Pointer(strm)).Fnext_out - uintptr((*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave) /* if the gzip stream completed successfully, look for another */ if ret == int32(m_Z_STREAM_END) { (*Tgz_state)(unsafe.Pointer(state)).Fhow = m_LOOK } /* good decompression */ return 0 } // C documentation // // /* Fetch data and put it in the output buffer. Assumes state->x.have is 0. // Data is either copied from the input file or decompressed from the input // file depending on state->how. If state->how is LOOK, then a gzip header is // looked for to determine whether to copy or decompress. Returns -1 on error, // otherwise 0. gz_fetch() will leave state->how as COPY or GZIP unless the // end of the input file has been reached and all data has been processed. */ func _gz_fetch(tls *libc.TLS, state Tgz_statep) (r int32) { var strm Tz_streamp _ = strm strm = state + 128 for cond := true; cond; cond = (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave == uint32(0) && (!((*Tgz_state)(unsafe.Pointer(state)).Feof != 0) || (*Tz_stream)(unsafe.Pointer(strm)).Favail_in != 0) { switch (*Tgz_state)(unsafe.Pointer(state)).Fhow { case m_LOOK: if _gz_look(tls, state) == -int32(1) { return -int32(1) } if (*Tgz_state)(unsafe.Pointer(state)).Fhow == m_LOOK { return 0 } case int32(m_COPY): if _gz_load(tls, state, (*Tgz_state)(unsafe.Pointer(state)).Fout, (*Tgz_state)(unsafe.Pointer(state)).Fsize< uint32(m___INT_MAX__)) || int64((*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave) > len1 { v1 = uint32(uint32(len1)) } else { v1 = (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave } n = v1 (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave -= n (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext += uintptr(n) (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos += int64(int64(n)) len1 -= int64(int64(n)) } else { if (*Tgz_state)(unsafe.Pointer(state)).Feof != 0 && (*Tgz_state)(unsafe.Pointer(state)).Fstrm.Favail_in == uint32(0) { break } else { /* get more output, looking for header if required */ if _gz_fetch(tls, state) == -int32(1) { return -int32(1) } } } } return 0 } // C documentation // // /* Read len bytes into buf from file, or less than len up to the end of the // input. Return the number of bytes read. If zero is returned, either the // end of file was reached, or there was an error. state->err must be // consulted in that case to determine which. */ func _gz_read(tls *libc.TLS, state Tgz_statep, buf Tvoidp, len1 Tz_size_t) (r Tz_size_t) { bp := tls.Alloc(16) defer tls.Free(16) var got Tz_size_t var _ /* n at bp+0 */ uint32 _ = got /* if len is zero, avoid unnecessary operations */ if len1 == uint64(0) { return uint64(0) } /* process a skip request */ if (*Tgz_state)(unsafe.Pointer(state)).Fseek != 0 { (*Tgz_state)(unsafe.Pointer(state)).Fseek = 0 if _gz_skip(tls, state, (*Tgz_state)(unsafe.Pointer(state)).Fskip) == -int32(1) { return uint64(0) } } /* get len bytes to buf, or less than len if at the end */ got = uint64(0) for cond := true; cond; cond = len1 != 0 { /* set n to the maximum amount of len that fits in an unsigned int */ *(*uint32)(unsafe.Pointer(bp)) = uint32(-libc.Int32FromInt32(1)) if uint64(*(*uint32)(unsafe.Pointer(bp))) > len1 { *(*uint32)(unsafe.Pointer(bp)) = uint32(uint32(len1)) } /* first just try copying data from the output buffer */ if (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave != 0 { if (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave < *(*uint32)(unsafe.Pointer(bp)) { *(*uint32)(unsafe.Pointer(bp)) = (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave } libc.Xmemcpy(tls, buf, (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext, uint64(*(*uint32)(unsafe.Pointer(bp)))) (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext += uintptr(*(*uint32)(unsafe.Pointer(bp))) (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave -= *(*uint32)(unsafe.Pointer(bp)) } else { if (*Tgz_state)(unsafe.Pointer(state)).Feof != 0 && (*Tgz_state)(unsafe.Pointer(state)).Fstrm.Favail_in == uint32(0) { (*Tgz_state)(unsafe.Pointer(state)).Fpast = int32(1) /* tried to read past end */ break } else { if (*Tgz_state)(unsafe.Pointer(state)).Fhow == m_LOOK || *(*uint32)(unsafe.Pointer(bp)) < (*Tgz_state)(unsafe.Pointer(state)).Fsize<how == GZIP */ (*Tgz_state)(unsafe.Pointer(state)).Fstrm.Favail_out = *(*uint32)(unsafe.Pointer(bp)) (*Tgz_state)(unsafe.Pointer(state)).Fstrm.Fnext_out = buf if _gz_decomp(tls, state) == -int32(1) { return uint64(0) } *(*uint32)(unsafe.Pointer(bp)) = (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave = uint32(0) } } } } /* update progress */ len1 -= uint64(*(*uint32)(unsafe.Pointer(bp))) buf = buf + uintptr(*(*uint32)(unsafe.Pointer(bp))) got += uint64(*(*uint32)(unsafe.Pointer(bp))) (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos += int64(*(*uint32)(unsafe.Pointer(bp))) } /* return number of bytes read into user buffer */ return got } // C documentation // // /* -- see zlib.h -- */ func Xgzread(tls *libc.TLS, file TgzFile, buf Tvoidp, len1 uint32) (r int32) { var state Tgz_statep _ = state /* get internal structure */ if file == libc.UintptrFromInt32(0) { return -int32(1) } state = file /* check that we're reading and that there's no (serious) error */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_READ) || (*Tgz_state)(unsafe.Pointer(state)).Ferr != m_Z_OK && (*Tgz_state)(unsafe.Pointer(state)).Ferr != -int32(5) { return -int32(1) } /* since an int is returned, make sure len fits in one, otherwise return with an error (this avoids a flaw in the interface) */ if int32(int32(len1)) < 0 { Xgz_error(tls, state, -int32(2), __ccgo_ts+701) return -int32(1) } /* read len or fewer bytes to buf */ len1 = uint32(_gz_read(tls, state, buf, uint64(uint64(len1)))) /* check for an error */ if len1 == uint32(0) && (*Tgz_state)(unsafe.Pointer(state)).Ferr != m_Z_OK && (*Tgz_state)(unsafe.Pointer(state)).Ferr != -int32(5) { return -int32(1) } /* return the number of bytes read (this is assured to fit in an int) */ return int32(int32(len1)) } // C documentation // // /* -- see zlib.h -- */ func Xgzfread(tls *libc.TLS, buf Tvoidp, size Tz_size_t, nitems Tz_size_t, file TgzFile) (r Tz_size_t) { var len1 Tz_size_t var state Tgz_statep var v1 uint64 _, _, _ = len1, state, v1 /* get internal structure */ if file == libc.UintptrFromInt32(0) { return uint64(0) } state = file /* check that we're reading and that there's no (serious) error */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_READ) || (*Tgz_state)(unsafe.Pointer(state)).Ferr != m_Z_OK && (*Tgz_state)(unsafe.Pointer(state)).Ferr != -int32(5) { return uint64(0) } /* compute bytes to read -- error on overflow */ len1 = nitems * size if size != 0 && len1/size != nitems { Xgz_error(tls, state, -int32(2), __ccgo_ts+732) return uint64(0) } /* read len or fewer bytes to buf, return the number of full items read */ if len1 != 0 { v1 = _gz_read(tls, state, buf, len1) / size } else { v1 = uint64(0) } return v1 } // C documentation // // /* -- see zlib.h -- */ func Xgzgetc(tls *libc.TLS, file TgzFile) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) var state Tgz_statep var v1, v2 uintptr var v3 int32 var _ /* buf at bp+0 */ [1]uint8 _, _, _, _ = state, v1, v2, v3 /* get internal structure */ if file == libc.UintptrFromInt32(0) { return -int32(1) } state = file /* check that we're reading and that there's no (serious) error */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_READ) || (*Tgz_state)(unsafe.Pointer(state)).Ferr != m_Z_OK && (*Tgz_state)(unsafe.Pointer(state)).Ferr != -int32(5) { return -int32(1) } /* try output buffer (no need to check for skip request) */ if (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave != 0 { (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave-- (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos++ v2 = state + 8 v1 = *(*uintptr)(unsafe.Pointer(v2)) *(*uintptr)(unsafe.Pointer(v2))++ return int32(*(*uint8)(unsafe.Pointer(v1))) } /* nothing there -- try gz_read() */ if _gz_read(tls, state, bp, uint64(1)) < uint64(1) { v3 = -int32(1) } else { v3 = int32((*(*[1]uint8)(unsafe.Pointer(bp)))[0]) } return v3 } func Xgzgetc_(tls *libc.TLS, file TgzFile) (r int32) { return Xgzgetc(tls, file) } // C documentation // // /* -- see zlib.h -- */ func Xgzungetc(tls *libc.TLS, c int32, file TgzFile) (r int32) { var dest, src, v1, v2 uintptr var state Tgz_statep _, _, _, _, _ = dest, src, state, v1, v2 /* get internal structure */ if file == libc.UintptrFromInt32(0) { return -int32(1) } state = file /* in case this was just opened, set up the input buffer */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode == int32(m_GZ_READ) && (*Tgz_state)(unsafe.Pointer(state)).Fhow == m_LOOK && (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave == uint32(0) { _gz_look(tls, state) } /* check that we're reading and that there's no (serious) error */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_READ) || (*Tgz_state)(unsafe.Pointer(state)).Ferr != m_Z_OK && (*Tgz_state)(unsafe.Pointer(state)).Ferr != -int32(5) { return -int32(1) } /* process a skip request */ if (*Tgz_state)(unsafe.Pointer(state)).Fseek != 0 { (*Tgz_state)(unsafe.Pointer(state)).Fseek = 0 if _gz_skip(tls, state, (*Tgz_state)(unsafe.Pointer(state)).Fskip) == -int32(1) { return -int32(1) } } /* can't push EOF */ if c < 0 { return -int32(1) } /* if output buffer empty, put byte at end (allows more pushing) */ if (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave == uint32(0) { (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave = uint32(1) (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext = (*Tgz_state)(unsafe.Pointer(state)).Fout + uintptr((*Tgz_state)(unsafe.Pointer(state)).Fsize< (*Tgz_state)(unsafe.Pointer(state)).Fout { dest-- v1 = dest src-- v2 = src *(*uint8)(unsafe.Pointer(v1)) = *(*uint8)(unsafe.Pointer(v2)) } (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext = dest } (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave++ (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext-- *(*uint8)(unsafe.Pointer((*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext)) = uint8(uint8(c)) (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos-- (*Tgz_state)(unsafe.Pointer(state)).Fpast = 0 return c } // C documentation // // /* -- see zlib.h -- */ func Xgzgets(tls *libc.TLS, file TgzFile, buf uintptr, len1 int32) (r uintptr) { var eol, str uintptr var left, n, v1 uint32 var state Tgz_statep _, _, _, _, _, _ = eol, left, n, state, str, v1 /* check parameters and get internal structure */ if file == libc.UintptrFromInt32(0) || buf == libc.UintptrFromInt32(0) || len1 < int32(1) { return libc.UintptrFromInt32(0) } state = file /* check that we're reading and that there's no (serious) error */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_READ) || (*Tgz_state)(unsafe.Pointer(state)).Ferr != m_Z_OK && (*Tgz_state)(unsafe.Pointer(state)).Ferr != -int32(5) { return libc.UintptrFromInt32(0) } /* process a skip request */ if (*Tgz_state)(unsafe.Pointer(state)).Fseek != 0 { (*Tgz_state)(unsafe.Pointer(state)).Fseek = 0 if _gz_skip(tls, state, (*Tgz_state)(unsafe.Pointer(state)).Fskip) == -int32(1) { return libc.UintptrFromInt32(0) } } /* copy output bytes up to new line or len - 1, whichever comes first -- append a terminating zero to the string (we don't check for a zero in the contents, let the user worry about that) */ str = buf left = uint32(uint32(len1)) - uint32(1) if left != 0 { for cond := true; cond; cond = left != 0 && eol == libc.UintptrFromInt32(0) { /* assure that something is in the output buffer */ if (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave == uint32(0) && _gz_fetch(tls, state) == -int32(1) { return libc.UintptrFromInt32(0) } /* error */ if (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave == uint32(0) { /* end of file */ (*Tgz_state)(unsafe.Pointer(state)).Fpast = int32(1) /* read past end */ break /* return what we have */ } /* look for end-of-line in current output buffer */ if (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave > left { v1 = left } else { v1 = (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave } n = v1 eol = libc.Xmemchr(tls, (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext, int32('\n'), uint64(uint64(n))) if eol != libc.UintptrFromInt32(0) { n = uint32(int64(int64(eol))-int64((*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext)) + uint32(1) } /* copy through end-of-line, or remainder if not found */ libc.Xmemcpy(tls, buf, (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext, uint64(uint64(n))) (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave -= n (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext += uintptr(n) (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos += int64(int64(n)) left -= n buf += uintptr(n) } } /* return terminated string, or if nothing, end of file */ if buf == str { return libc.UintptrFromInt32(0) } *(*int8)(unsafe.Pointer(buf)) = 0 return str } // C documentation // // /* -- see zlib.h -- */ func Xgzdirect(tls *libc.TLS, file TgzFile) (r int32) { var state Tgz_statep _ = state /* get internal structure */ if file == libc.UintptrFromInt32(0) { return 0 } state = file /* if the state is not known, but we can find out, then do so (this is mainly for right after a gzopen() or gzdopen()) */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode == int32(m_GZ_READ) && (*Tgz_state)(unsafe.Pointer(state)).Fhow == m_LOOK && (*Tgz_state)(unsafe.Pointer(state)).Fx.Fhave == uint32(0) { _gz_look(tls, state) } /* return 1 if transparent, 0 if processing a gzip stream */ return (*Tgz_state)(unsafe.Pointer(state)).Fdirect } // C documentation // // /* -- see zlib.h -- */ func Xgzclose_r(tls *libc.TLS, file TgzFile) (r int32) { var err, ret, v1, v2 int32 var state Tgz_statep _, _, _, _, _ = err, ret, state, v1, v2 /* get internal structure */ if file == libc.UintptrFromInt32(0) { return -int32(2) } state = file /* check that we're reading */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_READ) { return -int32(2) } /* free memory and close file */ if (*Tgz_state)(unsafe.Pointer(state)).Fsize != 0 { XinflateEnd(tls, state+128) libc.Xfree(tls, (*Tgz_state)(unsafe.Pointer(state)).Fout) libc.Xfree(tls, (*Tgz_state)(unsafe.Pointer(state)).Fin) } if (*Tgz_state)(unsafe.Pointer(state)).Ferr == -int32(5) { v1 = -int32(5) } else { v1 = m_Z_OK } err = v1 Xgz_error(tls, state, m_Z_OK, libc.UintptrFromInt32(0)) libc.Xfree(tls, (*Tgz_state)(unsafe.Pointer(state)).Fpath) ret = libc.Xclose(tls, (*Tgz_state)(unsafe.Pointer(state)).Ffd) libc.Xfree(tls, state) if ret != 0 { v2 = -int32(1) } else { v2 = err } return v2 } /* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t value -- needed when comparing unsigned to z_off64_t, which is signed (possible z_off64_t types off_t, off64_t, and long are all signed) */ // C documentation // // /* Initialize state for writing a gzip file. Mark initialization by setting // state->size to non-zero. Return -1 on a memory allocation failure, or 0 on // success. */ func _gz_init(tls *libc.TLS, state Tgz_statep) (r int32) { var ret int32 var strm Tz_streamp _, _ = ret, strm strm = state + 128 /* allocate input buffer (double size for gzprintf) */ (*Tgz_state)(unsafe.Pointer(state)).Fin = libc.Xmalloc(tls, uint64((*Tgz_state)(unsafe.Pointer(state)).Fwant<direct is true, then simply write // to the output file without compressing, and ignore flush. */ func _gz_comp(tls *libc.TLS, state Tgz_statep, flush int32) (r int32) { var have, max, put, v1, v2 uint32 var ret, writ int32 var strm Tz_streamp _, _, _, _, _, _, _, _ = have, max, put, ret, strm, writ, v1, v2 max = uint32(-libc.Int32FromInt32(1))>>libc.Int32FromInt32(2) + libc.Uint32FromInt32(1) strm = state + 128 /* allocate memory if this is the first time through */ if (*Tgz_state)(unsafe.Pointer(state)).Fsize == uint32(0) && _gz_init(tls, state) == -int32(1) { return -int32(1) } /* write directly if requested */ if (*Tgz_state)(unsafe.Pointer(state)).Fdirect != 0 { for (*Tz_stream)(unsafe.Pointer(strm)).Favail_in != 0 { if (*Tz_stream)(unsafe.Pointer(strm)).Favail_in > max { v1 = max } else { v1 = (*Tz_stream)(unsafe.Pointer(strm)).Favail_in } put = v1 writ = int32(libc.Xwrite(tls, (*Tgz_state)(unsafe.Pointer(state)).Ffd, (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in, uint64(uint64(put)))) if writ < 0 { Xgz_error(tls, state, -int32(1), libc.Xstrerror(tls, *(*int32)(unsafe.Pointer(libc.X__errno_location(tls))))) return -int32(1) } *(*TuInt)(unsafe.Pointer(strm + 8)) -= uint32(uint32(writ)) *(*uintptr)(unsafe.Pointer(strm)) += uintptr(writ) } return 0 } /* check for a pending reset */ if (*Tgz_state)(unsafe.Pointer(state)).Freset != 0 { /* don't start a new gzip member unless there is data to write */ if (*Tz_stream)(unsafe.Pointer(strm)).Favail_in == uint32(0) { return 0 } XdeflateReset(tls, strm) (*Tgz_state)(unsafe.Pointer(state)).Freset = 0 } /* run deflate() on provided input until it produces no more output */ ret = m_Z_OK for cond := true; cond; cond = have != 0 { /* write out current buffer contents if full, or if flushing, but if doing Z_FINISH then don't write until we get to Z_STREAM_END */ if (*Tz_stream)(unsafe.Pointer(strm)).Favail_out == uint32(0) || flush != m_Z_NO_FLUSH && (flush != int32(m_Z_FINISH) || ret == int32(m_Z_STREAM_END)) { for (*Tz_stream)(unsafe.Pointer(strm)).Fnext_out > (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext { if int64((*Tz_stream)(unsafe.Pointer(strm)).Fnext_out)-int64((*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext) > int64(int32(int32(max))) { v2 = max } else { v2 = uint32(int64((*Tz_stream)(unsafe.Pointer(strm)).Fnext_out) - int64((*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext)) } put = v2 writ = int32(libc.Xwrite(tls, (*Tgz_state)(unsafe.Pointer(state)).Ffd, (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext, uint64(uint64(put)))) if writ < 0 { Xgz_error(tls, state, -int32(1), libc.Xstrerror(tls, *(*int32)(unsafe.Pointer(libc.X__errno_location(tls))))) return -int32(1) } (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext += uintptr(writ) } if (*Tz_stream)(unsafe.Pointer(strm)).Favail_out == uint32(0) { (*Tz_stream)(unsafe.Pointer(strm)).Favail_out = (*Tgz_state)(unsafe.Pointer(state)).Fsize (*Tz_stream)(unsafe.Pointer(strm)).Fnext_out = (*Tgz_state)(unsafe.Pointer(state)).Fout (*Tgz_state)(unsafe.Pointer(state)).Fx.Fnext = (*Tgz_state)(unsafe.Pointer(state)).Fout } } /* compress */ have = (*Tz_stream)(unsafe.Pointer(strm)).Favail_out ret = Xdeflate(tls, strm, flush) if ret == -int32(2) { Xgz_error(tls, state, -int32(2), __ccgo_ts+796) return -int32(1) } have -= (*Tz_stream)(unsafe.Pointer(strm)).Favail_out } /* if that completed a deflate stream, allow another to start */ if flush == int32(m_Z_FINISH) { (*Tgz_state)(unsafe.Pointer(state)).Freset = int32(1) } /* all done, no errors */ return 0 } // C documentation // // /* Compress len zeros to output. Return -1 on a write error or memory // allocation failure by gz_comp(), or 0 on success. */ func _gz_zero(tls *libc.TLS, state Tgz_statep, len1 Toff64_t) (r int32) { var first int32 var n, v1 uint32 var strm Tz_streamp _, _, _, _ = first, n, strm, v1 strm = state + 128 /* consume whatever's left in the input buffer */ if (*Tz_stream)(unsafe.Pointer(strm)).Favail_in != 0 && _gz_comp(tls, state, m_Z_NO_FLUSH) == -int32(1) { return -int32(1) } /* compress len zeros (len guaranteed > 0) */ first = int32(1) for len1 != 0 { if libc.Bool(libc.Bool(uint64(4) == uint64(8)) && (*Tgz_state)(unsafe.Pointer(state)).Fsize > uint32(m___INT_MAX__)) || int64((*Tgz_state)(unsafe.Pointer(state)).Fsize) > len1 { v1 = uint32(uint32(len1)) } else { v1 = (*Tgz_state)(unsafe.Pointer(state)).Fsize } n = v1 if first != 0 { libc.Xmemset(tls, (*Tgz_state)(unsafe.Pointer(state)).Fin, 0, uint64(uint64(n))) first = 0 } (*Tz_stream)(unsafe.Pointer(strm)).Favail_in = n (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in = (*Tgz_state)(unsafe.Pointer(state)).Fin (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos += int64(int64(n)) if _gz_comp(tls, state, m_Z_NO_FLUSH) == -int32(1) { return -int32(1) } len1 -= int64(int64(n)) } return 0 } // C documentation // // /* Write len bytes from buf to file. Return the number of bytes written. If // the returned value is less than len, then there was an error. */ func _gz_write(tls *libc.TLS, state Tgz_statep, buf Tvoidpc, len1 Tz_size_t) (r Tz_size_t) { var copy1, have, n uint32 var put Tz_size_t _, _, _, _ = copy1, have, n, put put = len1 /* if len is zero, avoid unnecessary operations */ if len1 == uint64(0) { return uint64(0) } /* allocate memory if this is the first time through */ if (*Tgz_state)(unsafe.Pointer(state)).Fsize == uint32(0) && _gz_init(tls, state) == -int32(1) { return uint64(0) } /* check for seek request */ if (*Tgz_state)(unsafe.Pointer(state)).Fseek != 0 { (*Tgz_state)(unsafe.Pointer(state)).Fseek = 0 if _gz_zero(tls, state, (*Tgz_state)(unsafe.Pointer(state)).Fskip) == -int32(1) { return uint64(0) } } /* for small len, copy to input buffer, otherwise compress directly */ if len1 < uint64((*Tgz_state)(unsafe.Pointer(state)).Fsize) { /* copy to input buffer, compress when full */ for cond := true; cond; cond = len1 != 0 { if (*Tgz_state)(unsafe.Pointer(state)).Fstrm.Favail_in == uint32(0) { (*Tgz_state)(unsafe.Pointer(state)).Fstrm.Fnext_in = (*Tgz_state)(unsafe.Pointer(state)).Fin } have = uint32(int64((*Tgz_state)(unsafe.Pointer(state)).Fstrm.Fnext_in+uintptr((*Tgz_state)(unsafe.Pointer(state)).Fstrm.Favail_in)) - int64((*Tgz_state)(unsafe.Pointer(state)).Fin)) copy1 = (*Tgz_state)(unsafe.Pointer(state)).Fsize - have if uint64(uint64(copy1)) > len1 { copy1 = uint32(uint32(len1)) } libc.Xmemcpy(tls, (*Tgz_state)(unsafe.Pointer(state)).Fin+uintptr(have), buf, uint64(uint64(copy1))) (*Tgz_state)(unsafe.Pointer(state)).Fstrm.Favail_in += copy1 (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos += int64(int64(copy1)) buf = buf + uintptr(copy1) len1 -= uint64(uint64(copy1)) if len1 != 0 && _gz_comp(tls, state, m_Z_NO_FLUSH) == -int32(1) { return uint64(0) } } } else { /* consume whatever's left in the input buffer */ if (*Tgz_state)(unsafe.Pointer(state)).Fstrm.Favail_in != 0 && _gz_comp(tls, state, m_Z_NO_FLUSH) == -int32(1) { return uint64(0) } /* directly compress user buffer to file */ (*Tgz_state)(unsafe.Pointer(state)).Fstrm.Fnext_in = buf for cond := true; cond; cond = len1 != 0 { n = uint32(-libc.Int32FromInt32(1)) if uint64(uint64(n)) > len1 { n = uint32(uint32(len1)) } (*Tgz_state)(unsafe.Pointer(state)).Fstrm.Favail_in = n (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos += int64(int64(n)) if _gz_comp(tls, state, m_Z_NO_FLUSH) == -int32(1) { return uint64(0) } len1 -= uint64(uint64(n)) } } /* input was all buffered or compressed */ return put } // C documentation // // /* -- see zlib.h -- */ func Xgzwrite(tls *libc.TLS, file TgzFile, buf Tvoidpc, len1 uint32) (r int32) { var state Tgz_statep _ = state /* get internal structure */ if file == libc.UintptrFromInt32(0) { return 0 } state = file /* check that we're writing and that there's no error */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_WRITE) || (*Tgz_state)(unsafe.Pointer(state)).Ferr != m_Z_OK { return 0 } /* since an int is returned, make sure len fits in one, otherwise return with an error (this avoids a flaw in the interface) */ if int32(int32(len1)) < 0 { Xgz_error(tls, state, -int32(3), __ccgo_ts+835) return 0 } /* write len bytes from buf (the return value will fit in an int) */ return int32(_gz_write(tls, state, buf, uint64(uint64(len1)))) } // C documentation // // /* -- see zlib.h -- */ func Xgzfwrite(tls *libc.TLS, buf Tvoidpc, size Tz_size_t, nitems Tz_size_t, file TgzFile) (r Tz_size_t) { var len1 Tz_size_t var state Tgz_statep var v1 uint64 _, _, _ = len1, state, v1 /* get internal structure */ if file == libc.UintptrFromInt32(0) { return uint64(0) } state = file /* check that we're writing and that there's no error */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_WRITE) || (*Tgz_state)(unsafe.Pointer(state)).Ferr != m_Z_OK { return uint64(0) } /* compute bytes to read -- error on overflow */ len1 = nitems * size if size != 0 && len1/size != nitems { Xgz_error(tls, state, -int32(2), __ccgo_ts+732) return uint64(0) } /* write len bytes to buf, return the number of full items written */ if len1 != 0 { v1 = _gz_write(tls, state, buf, len1) / size } else { v1 = uint64(0) } return v1 } // C documentation // // /* -- see zlib.h -- */ func Xgzputc(tls *libc.TLS, file TgzFile, c int32) (r int32) { bp := tls.Alloc(16) defer tls.Free(16) var have uint32 var state Tgz_statep var strm Tz_streamp var _ /* buf at bp+0 */ [1]uint8 _, _, _ = have, state, strm /* get internal structure */ if file == libc.UintptrFromInt32(0) { return -int32(1) } state = file strm = state + 128 /* check that we're writing and that there's no error */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_WRITE) || (*Tgz_state)(unsafe.Pointer(state)).Ferr != m_Z_OK { return -int32(1) } /* check for seek request */ if (*Tgz_state)(unsafe.Pointer(state)).Fseek != 0 { (*Tgz_state)(unsafe.Pointer(state)).Fseek = 0 if _gz_zero(tls, state, (*Tgz_state)(unsafe.Pointer(state)).Fskip) == -int32(1) { return -int32(1) } } /* try writing to input buffer for speed (state->size == 0 if buffer not initialized) */ if (*Tgz_state)(unsafe.Pointer(state)).Fsize != 0 { if (*Tz_stream)(unsafe.Pointer(strm)).Favail_in == uint32(0) { (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in = (*Tgz_state)(unsafe.Pointer(state)).Fin } have = uint32(int64((*Tz_stream)(unsafe.Pointer(strm)).Fnext_in+uintptr((*Tz_stream)(unsafe.Pointer(strm)).Favail_in)) - int64((*Tgz_state)(unsafe.Pointer(state)).Fin)) if have < (*Tgz_state)(unsafe.Pointer(state)).Fsize { *(*uint8)(unsafe.Pointer((*Tgz_state)(unsafe.Pointer(state)).Fin + uintptr(have))) = uint8(uint8(c)) (*Tz_stream)(unsafe.Pointer(strm)).Favail_in++ (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos++ return c & int32(0xff) } } /* no room in buffer or not initialized, use gz_write() */ (*(*[1]uint8)(unsafe.Pointer(bp)))[0] = uint8(uint8(c)) if _gz_write(tls, state, bp, uint64(1)) != uint64(1) { return -int32(1) } return c & int32(0xff) } // C documentation // // /* -- see zlib.h -- */ func Xgzputs(tls *libc.TLS, file TgzFile, s uintptr) (r int32) { var len1, put Tz_size_t var state Tgz_statep var v1 int32 _, _, _, _ = len1, put, state, v1 /* get internal structure */ if file == libc.UintptrFromInt32(0) { return -int32(1) } state = file /* check that we're writing and that there's no error */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_WRITE) || (*Tgz_state)(unsafe.Pointer(state)).Ferr != m_Z_OK { return -int32(1) } /* write string */ len1 = libc.Xstrlen(tls, s) if int32(int32(len1)) < 0 || uint64(uint32(uint32(len1))) != len1 { Xgz_error(tls, state, -int32(2), __ccgo_ts+872) return -int32(1) } put = _gz_write(tls, state, s, len1) if put < len1 { v1 = -int32(1) } else { v1 = int32(int32(len1)) } return v1 } /* Copyright (C) 1989-2020 Free Software Foundation, Inc. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. Under Section 7 of GPL version 3, you are granted additional permissions described in the GCC Runtime Library Exception, version 3.1, as published by the Free Software Foundation. You should have received a copy of the GNU General Public License and a copy of the GCC Runtime Library Exception along with this program; see the files COPYING3 and COPYING.RUNTIME respectively. If not, see . */ /* * ISO C Standard: 7.15 Variable arguments */ // C documentation // // /* -- see zlib.h -- */ func Xgzvprintf(tls *libc.TLS, file TgzFile, format uintptr, va Tva_list) (r int32) { var left uint32 var len1 int32 var next uintptr var state Tgz_statep var strm Tz_streamp _, _, _, _, _ = left, len1, next, state, strm /* get internal structure */ if file == libc.UintptrFromInt32(0) { return -int32(2) } state = file strm = state + 128 /* check that we're writing and that there's no error */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_WRITE) || (*Tgz_state)(unsafe.Pointer(state)).Ferr != m_Z_OK { return -int32(2) } /* make sure we have some buffer space */ if (*Tgz_state)(unsafe.Pointer(state)).Fsize == uint32(0) && _gz_init(tls, state) == -int32(1) { return (*Tgz_state)(unsafe.Pointer(state)).Ferr } /* check for seek request */ if (*Tgz_state)(unsafe.Pointer(state)).Fseek != 0 { (*Tgz_state)(unsafe.Pointer(state)).Fseek = 0 if _gz_zero(tls, state, (*Tgz_state)(unsafe.Pointer(state)).Fskip) == -int32(1) { return (*Tgz_state)(unsafe.Pointer(state)).Ferr } } /* do the printf() into the input buffer, put length in len -- the input buffer is double-sized just for this function, so there is guaranteed to be state->size bytes available after the current contents */ if (*Tz_stream)(unsafe.Pointer(strm)).Favail_in == uint32(0) { (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in = (*Tgz_state)(unsafe.Pointer(state)).Fin } next = (*Tgz_state)(unsafe.Pointer(state)).Fin + uintptr(int64((*Tz_stream)(unsafe.Pointer(strm)).Fnext_in)-int64((*Tgz_state)(unsafe.Pointer(state)).Fin)) + uintptr((*Tz_stream)(unsafe.Pointer(strm)).Favail_in) *(*int8)(unsafe.Pointer(next + uintptr((*Tgz_state)(unsafe.Pointer(state)).Fsize-uint32(1)))) = 0 len1 = libc.X__builtin_vsnprintf(tls, next, uint64((*Tgz_state)(unsafe.Pointer(state)).Fsize), format, va) /* check that printf() results fit in buffer */ if len1 == 0 || uint32(uint32(len1)) >= (*Tgz_state)(unsafe.Pointer(state)).Fsize || int32(*(*int8)(unsafe.Pointer(next + uintptr((*Tgz_state)(unsafe.Pointer(state)).Fsize-uint32(1))))) != 0 { return 0 } /* update buffer and position, compress first half if past that */ *(*TuInt)(unsafe.Pointer(strm + 8)) += uint32(uint32(len1)) (*Tgz_state)(unsafe.Pointer(state)).Fx.Fpos += int64(int64(len1)) if (*Tz_stream)(unsafe.Pointer(strm)).Favail_in >= (*Tgz_state)(unsafe.Pointer(state)).Fsize { left = (*Tz_stream)(unsafe.Pointer(strm)).Favail_in - (*Tgz_state)(unsafe.Pointer(state)).Fsize (*Tz_stream)(unsafe.Pointer(strm)).Favail_in = (*Tgz_state)(unsafe.Pointer(state)).Fsize if _gz_comp(tls, state, m_Z_NO_FLUSH) == -int32(1) { return (*Tgz_state)(unsafe.Pointer(state)).Ferr } libc.Xmemmove(tls, (*Tgz_state)(unsafe.Pointer(state)).Fin, (*Tgz_state)(unsafe.Pointer(state)).Fin+uintptr((*Tgz_state)(unsafe.Pointer(state)).Fsize), uint64(uint64(left))) (*Tz_stream)(unsafe.Pointer(strm)).Fnext_in = (*Tgz_state)(unsafe.Pointer(state)).Fin (*Tz_stream)(unsafe.Pointer(strm)).Favail_in = left } return len1 } func Xgzprintf(tls *libc.TLS, file TgzFile, format uintptr, va1 uintptr) (r int32) { var ret int32 var va Tva_list _, _ = ret, va va = va1 ret = Xgzvprintf(tls, file, format, va) _ = va return ret } // C documentation // // /* -- see zlib.h -- */ func Xgzflush(tls *libc.TLS, file TgzFile, flush int32) (r int32) { var state Tgz_statep _ = state /* get internal structure */ if file == libc.UintptrFromInt32(0) { return -int32(2) } state = file /* check that we're writing and that there's no error */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_WRITE) || (*Tgz_state)(unsafe.Pointer(state)).Ferr != m_Z_OK { return -int32(2) } /* check flush parameter */ if flush < 0 || flush > int32(m_Z_FINISH) { return -int32(2) } /* check for seek request */ if (*Tgz_state)(unsafe.Pointer(state)).Fseek != 0 { (*Tgz_state)(unsafe.Pointer(state)).Fseek = 0 if _gz_zero(tls, state, (*Tgz_state)(unsafe.Pointer(state)).Fskip) == -int32(1) { return (*Tgz_state)(unsafe.Pointer(state)).Ferr } } /* compress remaining data with requested flush */ _gz_comp(tls, state, flush) return (*Tgz_state)(unsafe.Pointer(state)).Ferr } // C documentation // // /* -- see zlib.h -- */ func Xgzsetparams(tls *libc.TLS, file TgzFile, level int32, strategy int32) (r int32) { var state Tgz_statep var strm Tz_streamp _, _ = state, strm /* get internal structure */ if file == libc.UintptrFromInt32(0) { return -int32(2) } state = file strm = state + 128 /* check that we're writing and that there's no error */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_WRITE) || (*Tgz_state)(unsafe.Pointer(state)).Ferr != m_Z_OK || (*Tgz_state)(unsafe.Pointer(state)).Fdirect != 0 { return -int32(2) } /* if no change is requested, then do nothing */ if level == (*Tgz_state)(unsafe.Pointer(state)).Flevel && strategy == (*Tgz_state)(unsafe.Pointer(state)).Fstrategy { return m_Z_OK } /* check for seek request */ if (*Tgz_state)(unsafe.Pointer(state)).Fseek != 0 { (*Tgz_state)(unsafe.Pointer(state)).Fseek = 0 if _gz_zero(tls, state, (*Tgz_state)(unsafe.Pointer(state)).Fskip) == -int32(1) { return (*Tgz_state)(unsafe.Pointer(state)).Ferr } } /* change compression parameters for subsequent input */ if (*Tgz_state)(unsafe.Pointer(state)).Fsize != 0 { /* flush previous input with previous parameters before changing */ if (*Tz_stream)(unsafe.Pointer(strm)).Favail_in != 0 && _gz_comp(tls, state, int32(m_Z_BLOCK)) == -int32(1) { return (*Tgz_state)(unsafe.Pointer(state)).Ferr } XdeflateParams(tls, strm, level, strategy) } (*Tgz_state)(unsafe.Pointer(state)).Flevel = level (*Tgz_state)(unsafe.Pointer(state)).Fstrategy = strategy return m_Z_OK } // C documentation // // /* -- see zlib.h -- */ func Xgzclose_w(tls *libc.TLS, file TgzFile) (r int32) { var ret int32 var state Tgz_statep _, _ = ret, state ret = m_Z_OK /* get internal structure */ if file == libc.UintptrFromInt32(0) { return -int32(2) } state = file /* check that we're writing */ if (*Tgz_state)(unsafe.Pointer(state)).Fmode != int32(m_GZ_WRITE) { return -int32(2) } /* check for seek request */ if (*Tgz_state)(unsafe.Pointer(state)).Fseek != 0 { (*Tgz_state)(unsafe.Pointer(state)).Fseek = 0 if _gz_zero(tls, state, (*Tgz_state)(unsafe.Pointer(state)).Fskip) == -int32(1) { ret = (*Tgz_state)(unsafe.Pointer(state)).Ferr } } /* flush, free memory, and close file */ if _gz_comp(tls, state, int32(m_Z_FINISH)) == -int32(1) { ret = (*Tgz_state)(unsafe.Pointer(state)).Ferr } if (*Tgz_state)(unsafe.Pointer(state)).Fsize != 0 { if !((*Tgz_state)(unsafe.Pointer(state)).Fdirect != 0) { XdeflateEnd(tls, state+128) libc.Xfree(tls, (*Tgz_state)(unsafe.Pointer(state)).Fout) } libc.Xfree(tls, (*Tgz_state)(unsafe.Pointer(state)).Fin) } Xgz_error(tls, state, m_Z_OK, libc.UintptrFromInt32(0)) libc.Xfree(tls, (*Tgz_state)(unsafe.Pointer(state)).Fpath) if libc.Xclose(tls, (*Tgz_state)(unsafe.Pointer(state)).Ffd) == -int32(1) { ret = -int32(1) } libc.Xfree(tls, state) return ret } func __ccgo_fp(f interface{}) uintptr { type iface [2]uintptr return (*iface)(unsafe.Pointer(&f))[1] } var x__dist_code = [512]Tuch{ 1: uint8(1), 2: uint8(2), 3: uint8(3), 4: uint8(4), 5: uint8(4), 6: uint8(5), 7: uint8(5), 8: uint8(6), 9: uint8(6), 10: uint8(6), 11: uint8(6), 12: uint8(7), 13: uint8(7), 14: uint8(7), 15: uint8(7), 16: uint8(8), 17: uint8(8), 18: uint8(8), 19: uint8(8), 20: uint8(8), 21: uint8(8), 22: uint8(8), 23: uint8(8), 24: uint8(9), 25: uint8(9), 26: uint8(9), 27: uint8(9), 28: uint8(9), 29: uint8(9), 30: uint8(9), 31: uint8(9), 32: uint8(10), 33: uint8(10), 34: uint8(10), 35: uint8(10), 36: uint8(10), 37: uint8(10), 38: uint8(10), 39: uint8(10), 40: uint8(10), 41: uint8(10), 42: uint8(10), 43: uint8(10), 44: uint8(10), 45: uint8(10), 46: uint8(10), 47: uint8(10), 48: uint8(11), 49: uint8(11), 50: uint8(11), 51: uint8(11), 52: uint8(11), 53: uint8(11), 54: uint8(11), 55: uint8(11), 56: uint8(11), 57: uint8(11), 58: uint8(11), 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uint8(23), 118: uint8(23), 119: uint8(23), 120: uint8(23), 121: uint8(23), 122: uint8(23), 123: uint8(23), 124: uint8(23), 125: uint8(23), 126: uint8(23), 127: uint8(23), 128: uint8(24), 129: uint8(24), 130: uint8(24), 131: uint8(24), 132: uint8(24), 133: uint8(24), 134: uint8(24), 135: uint8(24), 136: uint8(24), 137: uint8(24), 138: uint8(24), 139: uint8(24), 140: uint8(24), 141: uint8(24), 142: uint8(24), 143: uint8(24), 144: uint8(24), 145: uint8(24), 146: uint8(24), 147: uint8(24), 148: uint8(24), 149: uint8(24), 150: uint8(24), 151: uint8(24), 152: uint8(24), 153: uint8(24), 154: uint8(24), 155: uint8(24), 156: uint8(24), 157: uint8(24), 158: uint8(24), 159: uint8(24), 160: uint8(25), 161: uint8(25), 162: uint8(25), 163: uint8(25), 164: uint8(25), 165: uint8(25), 166: uint8(25), 167: uint8(25), 168: uint8(25), 169: uint8(25), 170: uint8(25), 171: uint8(25), 172: uint8(25), 173: uint8(25), 174: uint8(25), 175: uint8(25), 176: uint8(25), 177: uint8(25), 178: uint8(25), 179: uint8(25), 180: uint8(25), 181: uint8(25), 182: uint8(25), 183: uint8(25), 184: uint8(25), 185: uint8(25), 186: uint8(25), 187: uint8(25), 188: uint8(25), 189: uint8(25), 190: uint8(25), 191: uint8(25), 192: uint8(26), 193: uint8(26), 194: uint8(26), 195: uint8(26), 196: uint8(26), 197: uint8(26), 198: uint8(26), 199: uint8(26), 200: uint8(26), 201: uint8(26), 202: uint8(26), 203: uint8(26), 204: uint8(26), 205: uint8(26), 206: uint8(26), 207: uint8(26), 208: uint8(26), 209: uint8(26), 210: uint8(26), 211: uint8(26), 212: uint8(26), 213: uint8(26), 214: uint8(26), 215: uint8(26), 216: uint8(26), 217: uint8(26), 218: uint8(26), 219: uint8(26), 220: uint8(26), 221: uint8(26), 222: uint8(26), 223: uint8(26), 224: uint8(27), 225: uint8(27), 226: uint8(27), 227: uint8(27), 228: uint8(27), 229: uint8(27), 230: uint8(27), 231: uint8(27), 232: uint8(27), 233: uint8(27), 234: uint8(27), 235: uint8(27), 236: uint8(27), 237: uint8(27), 238: uint8(27), 239: uint8(27), 240: uint8(27), 241: uint8(27), 242: uint8(27), 243: uint8(27), 244: uint8(27), 245: uint8(27), 246: uint8(27), 247: uint8(27), 248: uint8(27), 249: uint8(27), 250: uint8(27), 251: uint8(27), 252: uint8(27), 253: uint8(27), 254: uint8(27), 255: uint8(28), } var Xdeflate_copyright = [66]int8{' ', 'd', 'e', 'f', 'l', 'a', 't', 'e', ' ', '1', '.', '3', ' ', 'C', 'o', 'p', 'y', 'r', 'i', 'g', 'h', 't', ' ', '1', '9', '9', '5', '-', '2', '0', '2', '3', ' ', 'J', 'e', 'a', 'n', '-', 'l', 'o', 'u', 'p', ' ', 'G', 'a', 'i', 'l', 'l', 'y', ' ', 'a', 'n', 'd', ' ', 'M', 'a', 'r', 'k', ' ', 'A', 'd', 'l', 'e', 'r', ' '} var Xinflate_copyright = [45]int8{' ', 'i', 'n', 'f', 'l', 'a', 't', 'e', ' ', '1', '.', '3', ' ', 'C', 'o', 'p', 'y', 'r', 'i', 'g', 'h', 't', ' ', '1', '9', '9', '5', '-', '2', '0', '2', '3', ' ', 'M', 'a', 'r', 'k', ' ', 'A', 'd', 'l', 'e', 'r', ' '} /* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t value -- needed when comparing unsigned to z_off64_t, which is signed (possible z_off64_t types off_t, off64_t, and long are all signed) */ var Xz_errmsg = [10]uintptr{ 0: __ccgo_ts + 465, 1: __ccgo_ts + 481, 2: __ccgo_ts + 492, 3: __ccgo_ts + 493, 4: __ccgo_ts + 504, 5: __ccgo_ts + 517, 6: __ccgo_ts + 528, 7: __ccgo_ts + 548, 8: __ccgo_ts + 561, 9: __ccgo_ts + 492, } var __ccgo_ts = (*reflect.StringHeader)(unsafe.Pointer(&__ccgo_ts1)).Data var __ccgo_ts1 = "1.3\x00invalid block type\x00invalid stored block lengths\x00too many length or distance symbols\x00invalid code lengths set\x00invalid bit length repeat\x00invalid code -- missing end-of-block\x00invalid literal/lengths set\x00invalid distances set\x00invalid literal/length code\x00invalid distance code\x00invalid distance too far back\x00incorrect header check\x00unknown compression method\x00invalid window size\x00unknown header flags set\x00header crc mismatch\x00incorrect data check\x00incorrect length check\x00need dictionary\x00stream end\x00\x00file error\x00stream error\x00data error\x00insufficient memory\x00buffer error\x00incompatible version\x00%s\x00\x00out of memory\x00%s%s%s\x00: \x00unexpected end of file\x00internal error: inflate stream corrupt\x00compressed data error\x00request does not fit in an int\x00request does not fit in a size_t\x00out of room to push characters\x00internal error: deflate stream corrupt\x00requested length does not fit in int\x00string length does not fit in int\x00"