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/*
* shrink_inmem.h - in-memory compression 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 _SHRINK_INMEM_H
#define _SHRINK_INMEM_H
#include <stdlib.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* Get maximum compressed size of input(source) data
*
* @param nInputSize input(source) size in bytes
*
* @return maximum compressed size
*/
size_t lzsa_get_max_compressed_size_inmem(size_t nInputSize);
/**
* Compress memory
*
* @param pInputData pointer to input(source) data to compress
* @param pOutBuffer buffer for compressed data
* @param nInputSize input(source) size in bytes
* @param nMaxOutBufferSize maximum capacity of compression buffer
* @param nFlags compression flags (LZSA_FLAG_xxx)
* @param nMinMatchSize minimum match size
* @param nFormatVersion version of format to use (1-2)
*
* @return actual compressed size, or -1 for error
*/
size_t lzsa_compress_inmem(unsigned char *pInputData, unsigned char *pOutBuffer, size_t nInputSize, size_t nMaxOutBufferSize,
const unsigned int nFlags, const int nMinMatchSize, const int nFormatVersion);
#ifdef __cplusplus
}
#endif
#endif /* _SHRINK_INMEM_H */
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