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71 lines
2.5 KiB
C
71 lines
2.5 KiB
C
/*
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* expand_inmem.h - in-memory decompression definitions
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*
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* Copyright (C) 2019 Emmanuel Marty
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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/*
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* Uses the libdivsufsort library Copyright (c) 2003-2008 Yuta Mori
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*
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* Inspired by LZ4 by Yann Collet. https://github.com/lz4/lz4
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* With help, ideas, optimizations and speed measurements by spke <zxintrospec@gmail.com>
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* With ideas from Lizard by Przemyslaw Skibinski and Yann Collet. https://github.com/inikep/lizard
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* Also with ideas from smallz4 by Stephan Brumme. https://create.stephan-brumme.com/smallz4/
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*
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*/
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#ifndef _EXPAND_INMEM_H
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#define _EXPAND_INMEM_H
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Get maximum decompressed size of compressed data
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*
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* @param pFileData compressed data
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* @param nFileSize compressed size in bytes
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*
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* @return maximum decompressed size
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*/
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size_t lzsa_get_max_decompressed_size_inmem(const unsigned char *pFileData, size_t nFileSize);
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/**
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* Decompress data in memory
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*
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* @param pFileData compressed data
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* @param pOutBuffer buffer for decompressed data
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* @param nFileSize compressed size in bytes
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* @param nMaxOutBufferSize maximum capacity of decompression buffer
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* @param nFlags compression flags (LZSA_FLAG_xxx)
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* @param pFormatVersion pointer to format version, updated if this function is successful
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*
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* @return actual decompressed size, or -1 for error
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*/
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size_t lzsa_decompress_inmem(unsigned char *pFileData, unsigned char *pOutBuffer, size_t nFileSize, size_t nMaxOutBufferSize, const unsigned int nFlags, int *pFormatVersion);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _EXPAND_INMEM_H */
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