mirror of
https://github.com/emmanuel-marty/lzsa.git
synced 2024-11-29 05:49:20 +00:00
87 lines
3.8 KiB
C
87 lines
3.8 KiB
C
/*
|
|
* expand_streaming.h - streaming decompression definitions
|
|
*
|
|
* Copyright (C) 2019 Emmanuel Marty
|
|
*
|
|
* This software is provided 'as-is', without any express or implied
|
|
* warranty. In no event will the authors be held liable for any damages
|
|
* arising from the use of this software.
|
|
*
|
|
* Permission is granted to anyone to use this software for any purpose,
|
|
* including commercial applications, and to alter it and redistribute it
|
|
* freely, subject to the following restrictions:
|
|
*
|
|
* 1. 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.
|
|
* 2. Altered source versions must be plainly marked as such, and must not be
|
|
* misrepresented as being the original software.
|
|
* 3. This notice may not be removed or altered from any source distribution.
|
|
*/
|
|
|
|
/*
|
|
* Uses the libdivsufsort library Copyright (c) 2003-2008 Yuta Mori
|
|
*
|
|
* Inspired by LZ4 by Yann Collet. https://github.com/lz4/lz4
|
|
* With help, ideas, optimizations and speed measurements by spke <zxintrospec@gmail.com>
|
|
* With ideas from Lizard by Przemyslaw Skibinski and Yann Collet. https://github.com/inikep/lizard
|
|
* Also with ideas from smallz4 by Stephan Brumme. https://create.stephan-brumme.com/smallz4/
|
|
*
|
|
*/
|
|
|
|
#ifndef _EXPAND_STREAMING_H
|
|
#define _EXPAND_STREAMING_H
|
|
|
|
#include "stream.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* Forward declaration */
|
|
typedef enum _lzsa_status_t lzsa_status_t;
|
|
|
|
/*-------------- File API -------------- */
|
|
|
|
/**
|
|
* Decompress file
|
|
*
|
|
* @param pszInFilename name of input(compressed) file to decompress
|
|
* @param pszOutFilename name of output(decompressed) file to generate
|
|
* @param pszDictionaryFilename name of dictionary file, or NULL for none
|
|
* @param nFlags compression flags (LZSA_FLAG_RAW_BLOCK to decompress a raw block, or 0)
|
|
* @param nFormatVersion default version of format to use (1-2). This is used when decompressing a raw block, otherwise the version is extracted from the source file
|
|
* @param pOriginalSize pointer to returned output(decompressed) size, updated when this function is successful
|
|
* @param pCompressedSize pointer to returned input(compressed) size, updated when this function is successful
|
|
*
|
|
* @return LZSA_OK for success, or an error value from lzsa_status_t
|
|
*/
|
|
lzsa_status_t lzsa_decompress_file(const char *pszInFilename, const char *pszOutFilename, const char *pszDictionaryFilename, const unsigned int nFlags, int nFormatVersion,
|
|
long long *pOriginalSize, long long *pCompressedSize);
|
|
|
|
/*-------------- Streaming API -------------- */
|
|
|
|
/**
|
|
* Decompress stream
|
|
*
|
|
* @param pInStream input(compressed) stream to decompress
|
|
* @param pOutStream output(decompressed) stream to write to
|
|
* @param pDictionaryData dictionary contents, or NULL for none
|
|
* @param nDictionaryDataSize size of dictionary contents, or 0
|
|
* @param nFlags compression flags (LZSA_FLAG_RAW_BLOCK to decompress a raw block, or 0)
|
|
* @param nFormatVersion default version of format to use (1-2). This is used when decompressing a raw block, otherwise the version is extracted from the source file
|
|
* @param pOriginalSize pointer to returned output(decompressed) size, updated when this function is successful
|
|
* @param pCompressedSize pointer to returned input(compressed) size, updated when this function is successful
|
|
*
|
|
* @return LZSA_OK for success, or an error value from lzsa_status_t
|
|
*/
|
|
lzsa_status_t lzsa_decompress_stream(lzsa_stream_t *pInStream, lzsa_stream_t *pOutStream, const void *pDictionaryData, int nDictionaryDataSize, const unsigned int nFlags, int nFormatVersion,
|
|
long long *pOriginalSize, long long *pCompressedSize);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _EXPAND_STREAMING_H */
|