/* * 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 # 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 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 ---*/ /*-------------------------------------------------------------*/