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/*-------------------------------------------------------------*/

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/*--- Public header file for the library. ---*/

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/*--- bzlib.h ---*/

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/*-------------------------------------------------------------*/

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/* ------------------------------------------------------------------

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This file is part of bzip2/libbzip2, a program and library for

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lossless, block-sorting data compression.

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bzip2/libbzip2 version 1.0.8 of 13 July 2019

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Please read the WARNING, DISCLAIMER and PATENTS sections in the

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README file.

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This program is released under the terms of the license contained

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in the file LICENSE.

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------------------------------------------------------------------ */

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#ifndef _BZLIB_H

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#define _BZLIB_H

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#ifdef __cplusplus

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extern "C" {

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#endif

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#define BZ_RUN 0

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#define BZ_FLUSH 1

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#define BZ_FINISH 2

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#define BZ_OK 0

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#define BZ_RUN_OK 1

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#define BZ_FLUSH_OK 2

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#define BZ_FINISH_OK 3

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#define BZ_STREAM_END 4

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#define BZ_SEQUENCE_ERROR (-1)

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#define BZ_PARAM_ERROR (-2)

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#define BZ_MEM_ERROR (-3)

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#define BZ_DATA_ERROR (-4)

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#define BZ_DATA_ERROR_MAGIC (-5)

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#define BZ_IO_ERROR (-6)

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#define BZ_UNEXPECTED_EOF (-7)

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#define BZ_OUTBUFF_FULL (-8)

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#define BZ_CONFIG_ERROR (-9)

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typedef

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struct {

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char *next_in;

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unsigned int avail_in;

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unsigned int total_in_lo32;

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unsigned int total_in_hi32;

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char *next_out;

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unsigned int avail_out;

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unsigned int total_out_lo32;

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unsigned int total_out_hi32;

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void *state;

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void *(*bzalloc)(void *,int,int);

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void (*bzfree)(void *,void *);

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void *opaque;

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}

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bz_stream;

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#ifndef BZ_IMPORT

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#define BZ_EXPORT

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#endif

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#ifndef BZ_NO_STDIO

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/* Need a definitition for FILE */

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#include <stdio.h>

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#endif

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#ifdef _WIN32

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# include <windows.h>

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# ifdef small

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/* windows.h define small to char */

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# undef small

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# endif

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# ifdef BZ_EXPORT

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# define BZ_API(func) WINAPI func

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# define BZ_EXTERN extern

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# else

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/* import windows dll dynamically */

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# define BZ_API(func) (WINAPI * func)

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# define BZ_EXTERN

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# endif

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#else

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# define BZ_API(func) func

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# define BZ_EXTERN extern

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#endif

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/*-- Core (low-level) library functions --*/

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BZ_EXTERN int BZ_API(BZ2_bzCompressInit) (

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bz_stream* strm,

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int blockSize100k,

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int verbosity,

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int workFactor

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);

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BZ_EXTERN int BZ_API(BZ2_bzCompress) (

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bz_stream* strm,

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int action

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);

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BZ_EXTERN int BZ_API(BZ2_bzCompressEnd) (

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bz_stream* strm

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);

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BZ_EXTERN int BZ_API(BZ2_bzDecompressInit) (

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bz_stream *strm,

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int verbosity,

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int small

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);

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BZ_EXTERN int BZ_API(BZ2_bzDecompress) (

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bz_stream* strm

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);

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BZ_EXTERN int BZ_API(BZ2_bzDecompressEnd) (

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bz_stream *strm

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);

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/*-- High(er) level library functions --*/

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#ifndef BZ_NO_STDIO

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#define BZ_MAX_UNUSED 5000

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typedef void BZFILE;

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BZ_EXTERN BZFILE* BZ_API(BZ2_bzReadOpen) (

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int* bzerror,

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FILE* f,

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int verbosity,

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int small,

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void* unused,

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int nUnused

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);

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BZ_EXTERN void BZ_API(BZ2_bzReadClose) (

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int* bzerror,

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BZFILE* b

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);

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BZ_EXTERN void BZ_API(BZ2_bzReadGetUnused) (

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int* bzerror,

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BZFILE* b,

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void** unused,

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int* nUnused

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);

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BZ_EXTERN int BZ_API(BZ2_bzRead) (

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int* bzerror,

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BZFILE* b,

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void* buf,

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int len

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);

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BZ_EXTERN BZFILE* BZ_API(BZ2_bzWriteOpen) (

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int* bzerror,

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FILE* f,

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int blockSize100k,

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int verbosity,

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int workFactor

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);

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BZ_EXTERN void BZ_API(BZ2_bzWrite) (

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int* bzerror,

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BZFILE* b,

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void* buf,

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int len

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);

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BZ_EXTERN void BZ_API(BZ2_bzWriteClose) (

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int* bzerror,

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BZFILE* b,

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int abandon,

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unsigned int* nbytes_in,

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unsigned int* nbytes_out

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);

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BZ_EXTERN void BZ_API(BZ2_bzWriteClose64) (

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int* bzerror,

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BZFILE* b,

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int abandon,

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unsigned int* nbytes_in_lo32,

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unsigned int* nbytes_in_hi32,

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unsigned int* nbytes_out_lo32,

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unsigned int* nbytes_out_hi32

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);

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#endif

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/*-- Utility functions --*/

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BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffCompress) (

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char* dest,

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unsigned int* destLen,

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char* source,

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unsigned int sourceLen,

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int blockSize100k,

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int verbosity,

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int workFactor

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);

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BZ_EXTERN int BZ_API(BZ2_bzBuffToBuffDecompress) (

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char* dest,

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unsigned int* destLen,

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char* source,

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unsigned int sourceLen,

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int small,

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int verbosity

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);

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/*--

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Code contributed by Yoshioka Tsuneo (tsuneo@rr.iij4u.or.jp)

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to support better zlib compatibility.

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This code is not _officially_ part of libbzip2 (yet);

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I haven't tested it, documented it, or considered the

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threading-safeness of it.

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If this code breaks, please contact both Yoshioka and me.

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--*/

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BZ_EXTERN const char * BZ_API(BZ2_bzlibVersion) (

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void

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);

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#ifndef BZ_NO_STDIO

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BZ_EXTERN BZFILE * BZ_API(BZ2_bzopen) (

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const char *path,

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const char *mode

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);

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BZ_EXTERN BZFILE * BZ_API(BZ2_bzdopen) (

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int fd,

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const char *mode

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);

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BZ_EXTERN int BZ_API(BZ2_bzread) (

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BZFILE* b,

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void* buf,

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int len

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);

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BZ_EXTERN int BZ_API(BZ2_bzwrite) (

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BZFILE* b,

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void* buf,

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int len

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);

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BZ_EXTERN int BZ_API(BZ2_bzflush) (

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BZFILE* b

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);

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BZ_EXTERN void BZ_API(BZ2_bzclose) (

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BZFILE* b

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);

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BZ_EXTERN const char * BZ_API(BZ2_bzerror) (

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BZFILE *b,

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int *errnum

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);

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#endif

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#ifdef __cplusplus

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}

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#endif

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#endif

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/*-------------------------------------------------------------*/

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/*--- end bzlib.h ---*/

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/*-------------------------------------------------------------*/

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