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/*-------------------------------------------------------------*/ /*--- Public header file for the library. ---*/ /*--- bzlib.h ---*/ /*-------------------------------------------------------------*/ /* ------------------------------------------------------------------ This file is part of bzip2/libbzip2, a program and library for lossless, block-sorting data compression. bzip2/libbzip2 version 1.0.6 of 6 September 2010 Copyright (C) 1996-2010 Julian Seward <jseward@bzip.org> Please read the WARNING, DISCLAIMER and PATENTS sections in the README file. This program is released under the terms of the license contained in the file LICENSE. ------------------------------------------------------------------ */ #ifndef _BZLIB_H #define _BZLIB_H #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 #ifndef BZ_NO_STDIO /* Need a definitition for FILE */ #include <stdio.h> #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 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 (tsuneo@rr.iij4u.or.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 ---*/ /*-------------------------------------------------------------*/