lzsa/src/expand_inmem.h

71 lines
2.5 KiB
C

/*
* expand_inmem.h - in-memory 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_INMEM_H
#define _EXPAND_INMEM_H
#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* Get maximum decompressed size of compressed data
*
* @param pFileData compressed data
* @param nFileSize compressed size in bytes
*
* @return maximum decompressed size
*/
size_t lzsa_get_max_decompressed_size_inmem(const unsigned char *pFileData, size_t nFileSize);
/**
* Decompress data in memory
*
* @param pFileData compressed data
* @param pOutBuffer buffer for decompressed data
* @param nFileSize compressed size in bytes
* @param nMaxOutBufferSize maximum capacity of decompression buffer
* @param nFlags compression flags (LZSA_FLAG_xxx)
* @param pFormatVersion pointer to format version, updated if this function is successful
*
* @return actual decompressed size, or -1 for error
*/
size_t lzsa_decompress_inmem(unsigned char *pFileData, unsigned char *pOutBuffer, size_t nFileSize, size_t nMaxOutBufferSize, const unsigned int nFlags, int *pFormatVersion);
#ifdef __cplusplus
}
#endif
#endif /* _EXPAND_INMEM_H */