1 /* 2 * This file is a modified version of bzlib.h from the bzip2-1.0.2 3 * distribution which can be found at http://sources.redhat.com/bzip2/ 4 */ 5 6 /*-------------------------------------------------------------*/ 7 /*--- Public header file for the library. ---*/ 8 /*--- bzlib.h ---*/ 9 /*-------------------------------------------------------------*/ 10 11 /*-- 12 This file is a part of bzip2 and/or libbzip2, a program and 13 library for lossless, block-sorting data compression. 14 15 Copyright (C) 1996-2002 Julian R Seward. All rights reserved. 16 17 Redistribution and use in source and binary forms, with or without 18 modification, are permitted provided that the following conditions 19 are met: 20 21 1. Redistributions of source code must retain the above copyright 22 notice, this list of conditions and the following disclaimer. 23 24 2. The origin of this software must not be misrepresented; you must 25 not claim that you wrote the original software. If you use this 26 software in a product, an acknowledgment in the product 27 documentation would be appreciated but is not required. 28 29 3. Altered source versions must be plainly marked as such, and must 30 not be misrepresented as being the original software. 31 32 4. The name of the author may not be used to endorse or promote 33 products derived from this software without specific prior written 34 permission. 35 36 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 37 OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 38 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 39 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 40 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 41 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 42 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 43 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 44 WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 45 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 46 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 47 48 Julian Seward, Cambridge, UK. 49 jseward@acm.org 50 bzip2/libbzip2 version 1.0 of 21 March 2000 51 52 This program is based on (at least) the work of: 53 Mike Burrows 54 David Wheeler 55 Peter Fenwick 56 Alistair Moffat 57 Radford Neal 58 Ian H. Witten 59 Robert Sedgewick 60 Jon L. Bentley 61 62 For more information on these sources, see the manual. 63 --*/ 64 65 66 #ifndef _BZLIB_H 67 #define _BZLIB_H 68 69 /* Configure for U-Boot environment */ 70 #define BZ_NO_STDIO 71 72 #ifndef CONFIG_SANDBOX 73 #define BZ_NO_COMPRESS 74 #endif 75 /* End of configuration for U-Boot environment */ 76 77 #ifdef __cplusplus 78 extern "C" { 79 #endif 80 81 #define BZ_RUN 0 82 #define BZ_FLUSH 1 83 #define BZ_FINISH 2 84 85 #define BZ_OK 0 86 #define BZ_RUN_OK 1 87 #define BZ_FLUSH_OK 2 88 #define BZ_FINISH_OK 3 89 #define BZ_STREAM_END 4 90 #define BZ_SEQUENCE_ERROR (-1) 91 #define BZ_PARAM_ERROR (-2) 92 #define BZ_MEM_ERROR (-3) 93 #define BZ_DATA_ERROR (-4) 94 #define BZ_DATA_ERROR_MAGIC (-5) 95 #define BZ_IO_ERROR (-6) 96 #define BZ_UNEXPECTED_EOF (-7) 97 #define BZ_OUTBUFF_FULL (-8) 98 #define BZ_CONFIG_ERROR (-9) 99 100 typedef 101 struct { 102 char *next_in; 103 unsigned int avail_in; 104 unsigned int total_in_lo32; 105 unsigned int total_in_hi32; 106 107 char *next_out; 108 unsigned int avail_out; 109 unsigned int total_out_lo32; 110 unsigned int total_out_hi32; 111 112 void *state; 113 114 void *(*bzalloc)(void *,int,int); 115 void (*bzfree)(void *,void *); 116 void *opaque; 117 } 118 bz_stream; 119 120 121 #ifndef BZ_IMPORT 122 #define BZ_EXPORT 123 #endif 124 125 #ifdef _WIN32 126 # include <windows.h> 127 # ifdef small 128 /* windows.h define small to char */ 129 # undef small 130 # endif 131 # ifdef BZ_EXPORT 132 # define BZ_API(func) WINAPI func 133 # define BZ_EXTERN extern 134 # else 135 /* import windows dll dynamically */ 136 # define BZ_API(func) (WINAPI * func) 137 # define BZ_EXTERN 138 # endif 139 #else 140 # define BZ_API(func) func 141 # define BZ_EXTERN extern 142 #endif 143 144 145 /*-- Core (low-level) library functions --*/ 146 147 BZ_EXTERN int BZ_API(BZ2_bzCompressInit) ( 148 bz_stream* strm, 149 int blockSize100k, 150 int verbosity, 151 int workFactor 152 ); 153 154 BZ_EXTERN int BZ_API(BZ2_bzCompress) ( 155 bz_stream* strm, 156 int action 157 ); 158 159 BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) ( 160 bz_stream* strm 161 ); 162 163 BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) ( 164 bz_stream *strm, 165 int verbosity, 166 int small 167 ); 168 169 BZ_EXTERN int BZ_API(BZ2_bzDecompress) ( 170 bz_stream* strm 171 ); 172 173 BZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) ( 174 bz_stream *strm 175 ); 176 177 178 /*-- High(er) level library functions --*/ 179 180 #ifndef BZ_NO_STDIO 181 #define BZ_MAX_UNUSED 5000 182 183 /* Need a definitition for FILE */ 184 #include <stdio.h> 185 186 typedef void BZFILE; 187 188 BZ_EXTERN BZFILE* BZ_API(BZ2_bzReadOpen) ( 189 int* bzerror, 190 FILE* f, 191 int verbosity, 192 int small, 193 void* unused, 194 int nUnused 195 ); 196 197 BZ_EXTERN void BZ_API(BZ2_bzReadClose) ( 198 int* bzerror, 199 BZFILE* b 200 ); 201 202 BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) ( 203 int* bzerror, 204 BZFILE* b, 205 void** unused, 206 int* nUnused 207 ); 208 209 BZ_EXTERN int BZ_API(BZ2_bzRead) ( 210 int* bzerror, 211 BZFILE* b, 212 void* buf, 213 int len 214 ); 215 216 BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) ( 217 int* bzerror, 218 FILE* f, 219 int blockSize100k, 220 int verbosity, 221 int workFactor 222 ); 223 224 BZ_EXTERN void BZ_API(BZ2_bzWrite) ( 225 int* bzerror, 226 BZFILE* b, 227 void* buf, 228 int len 229 ); 230 231 BZ_EXTERN void BZ_API(BZ2_bzWriteClose) ( 232 int* bzerror, 233 BZFILE* b, 234 int abandon, 235 unsigned int* nbytes_in, 236 unsigned int* nbytes_out 237 ); 238 239 BZ_EXTERN void BZ_API(BZ2_bzWriteClose64) ( 240 int* bzerror, 241 BZFILE* b, 242 int abandon, 243 unsigned int* nbytes_in_lo32, 244 unsigned int* nbytes_in_hi32, 245 unsigned int* nbytes_out_lo32, 246 unsigned int* nbytes_out_hi32 247 ); 248 #endif 249 250 251 /*-- Utility functions --*/ 252 253 BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) ( 254 char* dest, 255 unsigned int* destLen, 256 char* source, 257 unsigned int sourceLen, 258 int blockSize100k, 259 int verbosity, 260 int workFactor 261 ); 262 263 BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) ( 264 char* dest, 265 unsigned int* destLen, 266 char* source, 267 unsigned int sourceLen, 268 int small, 269 int verbosity 270 ); 271 272 273 /*-- 274 Code contributed by Yoshioka Tsuneo 275 (QWF00133@niftyserve.or.jp/tsuneo-y@is.aist-nara.ac.jp), 276 to support better zlib compatibility. 277 This code is not _officially_ part of libbzip2 (yet); 278 I haven't tested it, documented it, or considered the 279 threading-safeness of it. 280 If this code breaks, please contact both Yoshioka and me. 281 --*/ 282 283 BZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) ( 284 void 285 ); 286 287 #ifndef BZ_NO_STDIO 288 BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) ( 289 const char *path, 290 const char *mode 291 ); 292 293 BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) ( 294 int fd, 295 const char *mode 296 ); 297 298 BZ_EXTERN int BZ_API(BZ2_bzread) ( 299 BZFILE* b, 300 void* buf, 301 int len 302 ); 303 304 BZ_EXTERN int BZ_API(BZ2_bzwrite) ( 305 BZFILE* b, 306 void* buf, 307 int len 308 ); 309 310 BZ_EXTERN int BZ_API(BZ2_bzflush) ( 311 BZFILE* b 312 ); 313 314 BZ_EXTERN void BZ_API(BZ2_bzclose) ( 315 BZFILE* b 316 ); 317 318 BZ_EXTERN const char * BZ_API(BZ2_bzerror) ( 319 BZFILE *b, 320 int *errnum 321 ); 322 #endif 323 324 #ifdef __cplusplus 325 } 326 #endif 327 328 #endif 329 330 /*-------------------------------------------------------------*/ 331 /*--- end bzlib.h ---*/ 332 /*-------------------------------------------------------------*/ 333