The Android Open Source Project | cfb3b27 | 2009-03-03 19:29:20 -0800 | [diff] [blame] | 1 | |
| 2 | /*-------------------------------------------------------------*/ |
| 3 | /*--- Public header file for the library. ---*/ |
| 4 | /*--- bzlib.h ---*/ |
| 5 | /*-------------------------------------------------------------*/ |
| 6 | |
| 7 | /* ------------------------------------------------------------------ |
| 8 | This file is part of bzip2/libbzip2, a program and library for |
| 9 | lossless, block-sorting data compression. |
| 10 | |
Elliott Hughes | 8645cf6 | 2021-12-08 15:07:46 -0800 | [diff] [blame] | 11 | bzip2/libbzip2 version 1.0.8 of 13 July 2019 |
| 12 | Copyright (C) 1996-2019 Julian Seward <jseward@acm.org> |
The Android Open Source Project | cfb3b27 | 2009-03-03 19:29:20 -0800 | [diff] [blame] | 13 | |
| 14 | Please read the WARNING, DISCLAIMER and PATENTS sections in the |
| 15 | README file. |
| 16 | |
| 17 | This program is released under the terms of the license contained |
| 18 | in the file LICENSE. |
| 19 | ------------------------------------------------------------------ */ |
| 20 | |
| 21 | |
| 22 | #ifndef _BZLIB_H |
| 23 | #define _BZLIB_H |
| 24 | |
| 25 | #ifdef __cplusplus |
| 26 | extern "C" { |
| 27 | #endif |
| 28 | |
| 29 | #define BZ_RUN 0 |
| 30 | #define BZ_FLUSH 1 |
| 31 | #define BZ_FINISH 2 |
| 32 | |
| 33 | #define BZ_OK 0 |
| 34 | #define BZ_RUN_OK 1 |
| 35 | #define BZ_FLUSH_OK 2 |
| 36 | #define BZ_FINISH_OK 3 |
| 37 | #define BZ_STREAM_END 4 |
| 38 | #define BZ_SEQUENCE_ERROR (-1) |
| 39 | #define BZ_PARAM_ERROR (-2) |
| 40 | #define BZ_MEM_ERROR (-3) |
| 41 | #define BZ_DATA_ERROR (-4) |
| 42 | #define BZ_DATA_ERROR_MAGIC (-5) |
| 43 | #define BZ_IO_ERROR (-6) |
| 44 | #define BZ_UNEXPECTED_EOF (-7) |
| 45 | #define BZ_OUTBUFF_FULL (-8) |
| 46 | #define BZ_CONFIG_ERROR (-9) |
| 47 | |
| 48 | typedef |
| 49 | struct { |
| 50 | char *next_in; |
| 51 | unsigned int avail_in; |
| 52 | unsigned int total_in_lo32; |
| 53 | unsigned int total_in_hi32; |
| 54 | |
| 55 | char *next_out; |
| 56 | unsigned int avail_out; |
| 57 | unsigned int total_out_lo32; |
| 58 | unsigned int total_out_hi32; |
| 59 | |
| 60 | void *state; |
| 61 | |
| 62 | void *(*bzalloc)(void *,int,int); |
| 63 | void (*bzfree)(void *,void *); |
| 64 | void *opaque; |
| 65 | } |
| 66 | bz_stream; |
| 67 | |
| 68 | |
| 69 | #ifndef BZ_IMPORT |
| 70 | #define BZ_EXPORT |
| 71 | #endif |
| 72 | |
| 73 | #ifndef BZ_NO_STDIO |
| 74 | /* Need a definitition for FILE */ |
| 75 | #include <stdio.h> |
| 76 | #endif |
| 77 | |
| 78 | #ifdef _WIN32 |
| 79 | # include <windows.h> |
| 80 | # ifdef small |
| 81 | /* windows.h define small to char */ |
| 82 | # undef small |
| 83 | # endif |
| 84 | # ifdef BZ_EXPORT |
| 85 | # define BZ_API(func) WINAPI func |
| 86 | # define BZ_EXTERN extern |
| 87 | # else |
| 88 | /* import windows dll dynamically */ |
| 89 | # define BZ_API(func) (WINAPI * func) |
| 90 | # define BZ_EXTERN |
| 91 | # endif |
| 92 | #else |
| 93 | # define BZ_API(func) func |
| 94 | # define BZ_EXTERN extern |
| 95 | #endif |
| 96 | |
| 97 | |
| 98 | /*-- Core (low-level) library functions --*/ |
| 99 | |
| 100 | BZ_EXTERN int BZ_API(BZ2_bzCompressInit) ( |
| 101 | bz_stream* strm, |
| 102 | int blockSize100k, |
| 103 | int verbosity, |
| 104 | int workFactor |
| 105 | ); |
| 106 | |
| 107 | BZ_EXTERN int BZ_API(BZ2_bzCompress) ( |
| 108 | bz_stream* strm, |
| 109 | int action |
| 110 | ); |
| 111 | |
| 112 | BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) ( |
| 113 | bz_stream* strm |
| 114 | ); |
| 115 | |
| 116 | BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) ( |
| 117 | bz_stream *strm, |
| 118 | int verbosity, |
| 119 | int small |
| 120 | ); |
| 121 | |
| 122 | BZ_EXTERN int BZ_API(BZ2_bzDecompress) ( |
| 123 | bz_stream* strm |
| 124 | ); |
| 125 | |
| 126 | BZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) ( |
| 127 | bz_stream *strm |
| 128 | ); |
| 129 | |
| 130 | |
| 131 | |
| 132 | /*-- High(er) level library functions --*/ |
| 133 | |
| 134 | #ifndef BZ_NO_STDIO |
| 135 | #define BZ_MAX_UNUSED 5000 |
| 136 | |
| 137 | typedef void BZFILE; |
| 138 | |
| 139 | BZ_EXTERN BZFILE* BZ_API(BZ2_bzReadOpen) ( |
| 140 | int* bzerror, |
| 141 | FILE* f, |
| 142 | int verbosity, |
| 143 | int small, |
| 144 | void* unused, |
| 145 | int nUnused |
| 146 | ); |
| 147 | |
| 148 | BZ_EXTERN void BZ_API(BZ2_bzReadClose) ( |
| 149 | int* bzerror, |
| 150 | BZFILE* b |
| 151 | ); |
| 152 | |
| 153 | BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) ( |
| 154 | int* bzerror, |
| 155 | BZFILE* b, |
| 156 | void** unused, |
| 157 | int* nUnused |
| 158 | ); |
| 159 | |
| 160 | BZ_EXTERN int BZ_API(BZ2_bzRead) ( |
| 161 | int* bzerror, |
| 162 | BZFILE* b, |
| 163 | void* buf, |
| 164 | int len |
| 165 | ); |
| 166 | |
| 167 | BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) ( |
| 168 | int* bzerror, |
| 169 | FILE* f, |
| 170 | int blockSize100k, |
| 171 | int verbosity, |
| 172 | int workFactor |
| 173 | ); |
| 174 | |
| 175 | BZ_EXTERN void BZ_API(BZ2_bzWrite) ( |
| 176 | int* bzerror, |
| 177 | BZFILE* b, |
| 178 | void* buf, |
| 179 | int len |
| 180 | ); |
| 181 | |
| 182 | BZ_EXTERN void BZ_API(BZ2_bzWriteClose) ( |
| 183 | int* bzerror, |
| 184 | BZFILE* b, |
| 185 | int abandon, |
| 186 | unsigned int* nbytes_in, |
| 187 | unsigned int* nbytes_out |
| 188 | ); |
| 189 | |
| 190 | BZ_EXTERN void BZ_API(BZ2_bzWriteClose64) ( |
| 191 | int* bzerror, |
| 192 | BZFILE* b, |
| 193 | int abandon, |
| 194 | unsigned int* nbytes_in_lo32, |
| 195 | unsigned int* nbytes_in_hi32, |
| 196 | unsigned int* nbytes_out_lo32, |
| 197 | unsigned int* nbytes_out_hi32 |
| 198 | ); |
| 199 | #endif |
| 200 | |
| 201 | |
| 202 | /*-- Utility functions --*/ |
| 203 | |
| 204 | BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) ( |
| 205 | char* dest, |
| 206 | unsigned int* destLen, |
| 207 | char* source, |
| 208 | unsigned int sourceLen, |
| 209 | int blockSize100k, |
| 210 | int verbosity, |
| 211 | int workFactor |
| 212 | ); |
| 213 | |
| 214 | BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) ( |
| 215 | char* dest, |
| 216 | unsigned int* destLen, |
| 217 | char* source, |
| 218 | unsigned int sourceLen, |
| 219 | int small, |
| 220 | int verbosity |
| 221 | ); |
| 222 | |
| 223 | |
| 224 | /*-- |
| 225 | Code contributed by Yoshioka Tsuneo (tsuneo@rr.iij4u.or.jp) |
| 226 | to support better zlib compatibility. |
| 227 | This code is not _officially_ part of libbzip2 (yet); |
| 228 | I haven't tested it, documented it, or considered the |
| 229 | threading-safeness of it. |
| 230 | If this code breaks, please contact both Yoshioka and me. |
| 231 | --*/ |
| 232 | |
| 233 | BZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) ( |
| 234 | void |
| 235 | ); |
| 236 | |
| 237 | #ifndef BZ_NO_STDIO |
| 238 | BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) ( |
| 239 | const char *path, |
| 240 | const char *mode |
| 241 | ); |
| 242 | |
| 243 | BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) ( |
| 244 | int fd, |
| 245 | const char *mode |
| 246 | ); |
| 247 | |
| 248 | BZ_EXTERN int BZ_API(BZ2_bzread) ( |
| 249 | BZFILE* b, |
| 250 | void* buf, |
| 251 | int len |
| 252 | ); |
| 253 | |
| 254 | BZ_EXTERN int BZ_API(BZ2_bzwrite) ( |
| 255 | BZFILE* b, |
| 256 | void* buf, |
| 257 | int len |
| 258 | ); |
| 259 | |
| 260 | BZ_EXTERN int BZ_API(BZ2_bzflush) ( |
| 261 | BZFILE* b |
| 262 | ); |
| 263 | |
| 264 | BZ_EXTERN void BZ_API(BZ2_bzclose) ( |
| 265 | BZFILE* b |
| 266 | ); |
| 267 | |
| 268 | BZ_EXTERN const char * BZ_API(BZ2_bzerror) ( |
| 269 | BZFILE *b, |
| 270 | int *errnum |
| 271 | ); |
| 272 | #endif |
| 273 | |
| 274 | #ifdef __cplusplus |
| 275 | } |
| 276 | #endif |
| 277 | |
| 278 | #endif |
| 279 | |
| 280 | /*-------------------------------------------------------------*/ |
| 281 | /*--- end bzlib.h ---*/ |
| 282 | /*-------------------------------------------------------------*/ |