| /* |
| * This file is a modified version of bzlib.h from the bzip2-1.0.2 |
| * distribution which can be found at http://sources.redhat.com/bzip2/ |
| */ |
| |
| /*-------------------------------------------------------------*/ |
| /*--- Public header file for the library. ---*/ |
| /*--- bzlib.h ---*/ |
| /*-------------------------------------------------------------*/ |
| |
| /*-- |
| This file is a part of bzip2 and/or libbzip2, a program and |
| library for lossless, block-sorting data compression. |
| |
| Copyright (C) 1996-2002 Julian R Seward. All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions |
| are met: |
| |
| 1. Redistributions of source code must retain the above copyright |
| notice, this list of conditions and the following disclaimer. |
| |
| 2. The origin of this software must not be misrepresented; you must |
| not claim that you wrote the original software. If you use this |
| software in a product, an acknowledgment in the product |
| documentation would be appreciated but is not required. |
| |
| 3. Altered source versions must be plainly marked as such, and must |
| not be misrepresented as being the original software. |
| |
| 4. The name of the author may not be used to endorse or promote |
| products derived from this software without specific prior written |
| permission. |
| |
| THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS |
| OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
| GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| Julian Seward, Cambridge, UK. |
| jseward@acm.org |
| bzip2/libbzip2 version 1.0 of 21 March 2000 |
| |
| This program is based on (at least) the work of: |
| Mike Burrows |
| David Wheeler |
| Peter Fenwick |
| Alistair Moffat |
| Radford Neal |
| Ian H. Witten |
| Robert Sedgewick |
| Jon L. Bentley |
| |
| For more information on these sources, see the manual. |
| --*/ |
| |
| |
| #ifndef _BZLIB_H |
| #define _BZLIB_H |
| |
| /* Configure for U-Boot environment */ |
| #define BZ_NO_STDIO |
| #define BZ_NO_COMPRESS |
| /* End of configuration for U-Boot environment */ |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define BZ_RUN 0 |
| #define BZ_FLUSH 1 |
| #define BZ_FINISH 2 |
| |
| #define BZ_OK 0 |
| #define BZ_RUN_OK 1 |
| #define BZ_FLUSH_OK 2 |
| #define BZ_FINISH_OK 3 |
| #define BZ_STREAM_END 4 |
| #define BZ_SEQUENCE_ERROR (-1) |
| #define BZ_PARAM_ERROR (-2) |
| #define BZ_MEM_ERROR (-3) |
| #define BZ_DATA_ERROR (-4) |
| #define BZ_DATA_ERROR_MAGIC (-5) |
| #define BZ_IO_ERROR (-6) |
| #define BZ_UNEXPECTED_EOF (-7) |
| #define BZ_OUTBUFF_FULL (-8) |
| #define BZ_CONFIG_ERROR (-9) |
| |
| typedef |
| struct { |
| char *next_in; |
| unsigned int avail_in; |
| unsigned int total_in_lo32; |
| unsigned int total_in_hi32; |
| |
| char *next_out; |
| unsigned int avail_out; |
| unsigned int total_out_lo32; |
| unsigned int total_out_hi32; |
| |
| void *state; |
| |
| void *(*bzalloc)(void *,int,int); |
| void (*bzfree)(void *,void *); |
| void *opaque; |
| } |
| bz_stream; |
| |
| |
| #ifndef BZ_IMPORT |
| #define BZ_EXPORT |
| #endif |
| |
| #ifdef _WIN32 |
| # include <windows.h> |
| # ifdef small |
| /* windows.h define small to char */ |
| # undef small |
| # endif |
| # ifdef BZ_EXPORT |
| # define BZ_API(func) WINAPI func |
| # define BZ_EXTERN extern |
| # else |
| /* import windows dll dynamically */ |
| # define BZ_API(func) (WINAPI * func) |
| # define BZ_EXTERN |
| # endif |
| #else |
| # define BZ_API(func) func |
| # define BZ_EXTERN extern |
| #endif |
| |
| |
| /*-- Core (low-level) library functions --*/ |
| |
| BZ_EXTERN int BZ_API(BZ2_bzCompressInit) ( |
| bz_stream* strm, |
| int blockSize100k, |
| int verbosity, |
| int workFactor |
| ); |
| |
| BZ_EXTERN int BZ_API(BZ2_bzCompress) ( |
| bz_stream* strm, |
| int action |
| ); |
| |
| BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) ( |
| bz_stream* strm |
| ); |
| |
| BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) ( |
| bz_stream *strm, |
| int verbosity, |
| int small |
| ); |
| |
| BZ_EXTERN int BZ_API(BZ2_bzDecompress) ( |
| bz_stream* strm |
| ); |
| |
| BZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) ( |
| bz_stream *strm |
| ); |
| |
| |
| |
| /*-- High(er) level library functions --*/ |
| |
| #ifndef BZ_NO_STDIO |
| #define BZ_MAX_UNUSED 5000 |
| |
| /* Need a definitition for FILE */ |
| #include <stdio.h> |
| |
| typedef void BZFILE; |
| |
| BZ_EXTERN BZFILE* BZ_API(BZ2_bzReadOpen) ( |
| int* bzerror, |
| FILE* f, |
| int verbosity, |
| int small, |
| void* unused, |
| int nUnused |
| ); |
| |
| BZ_EXTERN void BZ_API(BZ2_bzReadClose) ( |
| int* bzerror, |
| BZFILE* b |
| ); |
| |
| BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) ( |
| int* bzerror, |
| BZFILE* b, |
| void** unused, |
| int* nUnused |
| ); |
| |
| BZ_EXTERN int BZ_API(BZ2_bzRead) ( |
| int* bzerror, |
| BZFILE* b, |
| void* buf, |
| int len |
| ); |
| |
| BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) ( |
| int* bzerror, |
| FILE* f, |
| int blockSize100k, |
| int verbosity, |
| int workFactor |
| ); |
| |
| BZ_EXTERN void BZ_API(BZ2_bzWrite) ( |
| int* bzerror, |
| BZFILE* b, |
| void* buf, |
| int len |
| ); |
| |
| BZ_EXTERN void BZ_API(BZ2_bzWriteClose) ( |
| int* bzerror, |
| BZFILE* b, |
| int abandon, |
| unsigned int* nbytes_in, |
| unsigned int* nbytes_out |
| ); |
| |
| BZ_EXTERN void BZ_API(BZ2_bzWriteClose64) ( |
| int* bzerror, |
| BZFILE* b, |
| int abandon, |
| unsigned int* nbytes_in_lo32, |
| unsigned int* nbytes_in_hi32, |
| unsigned int* nbytes_out_lo32, |
| unsigned int* nbytes_out_hi32 |
| ); |
| #endif |
| |
| |
| /*-- Utility functions --*/ |
| |
| BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) ( |
| char* dest, |
| unsigned int* destLen, |
| char* source, |
| unsigned int sourceLen, |
| int blockSize100k, |
| int verbosity, |
| int workFactor |
| ); |
| |
| BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) ( |
| char* dest, |
| unsigned int* destLen, |
| char* source, |
| unsigned int sourceLen, |
| int small, |
| int verbosity |
| ); |
| |
| |
| /*-- |
| Code contributed by Yoshioka Tsuneo |
| (QWF00133@niftyserve.or.jp/tsuneo-y@is.aist-nara.ac.jp), |
| to support better zlib compatibility. |
| This code is not _officially_ part of libbzip2 (yet); |
| I haven't tested it, documented it, or considered the |
| threading-safeness of it. |
| If this code breaks, please contact both Yoshioka and me. |
| --*/ |
| |
| BZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) ( |
| void |
| ); |
| |
| #ifndef BZ_NO_STDIO |
| BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) ( |
| const char *path, |
| const char *mode |
| ); |
| |
| BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) ( |
| int fd, |
| const char *mode |
| ); |
| |
| BZ_EXTERN int BZ_API(BZ2_bzread) ( |
| BZFILE* b, |
| void* buf, |
| int len |
| ); |
| |
| BZ_EXTERN int BZ_API(BZ2_bzwrite) ( |
| BZFILE* b, |
| void* buf, |
| int len |
| ); |
| |
| BZ_EXTERN int BZ_API(BZ2_bzflush) ( |
| BZFILE* b |
| ); |
| |
| BZ_EXTERN void BZ_API(BZ2_bzclose) ( |
| BZFILE* b |
| ); |
| |
| BZ_EXTERN const char * BZ_API(BZ2_bzerror) ( |
| BZFILE *b, |
| int *errnum |
| ); |
| #endif |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |
| |
| /*-------------------------------------------------------------*/ |
| /*--- end bzlib.h ---*/ |
| /*-------------------------------------------------------------*/ |