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70 lines
2.9 KiB
C
Executable File
70 lines
2.9 KiB
C
Executable File
/*
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* lib.h - LZSA library 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 _LIB_H
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#define _LIB_H
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#include "stream.h"
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#include "dictionary.h"
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#include "frame.h"
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#include "format.h"
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#include "shrink_context.h"
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#include "shrink_streaming.h"
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#include "shrink_inmem.h"
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#include "expand_context.h"
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#include "expand_streaming.h"
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#include "expand_inmem.h"
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/** High level status for compression and decompression */
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typedef enum _lzsa_status_t {
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LZSA_OK = 0, /**< Success */
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LZSA_ERROR_SRC, /**< Error reading input */
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LZSA_ERROR_DST, /**< Error reading output */
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LZSA_ERROR_DICTIONARY, /**< Error reading dictionary */
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LZSA_ERROR_MEMORY, /**< Out of memory */
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/* Compression-specific status codes */
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LZSA_ERROR_COMPRESSION, /**< Internal compression error */
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LZSA_ERROR_RAW_TOOLARGE, /**< Input is too large to be compressed to a raw block */
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LZSA_ERROR_RAW_UNCOMPRESSED, /**< Input is incompressible and raw blocks don't support uncompressed data */
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/* Decompression-specific status codes */
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LZSA_ERROR_FORMAT, /**< Invalid input format or magic number when decompressing */
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LZSA_ERROR_DECOMPRESSION, /**< Internal decompression error */
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} lzsa_status_t;
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/* Compression flags */
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#define LZSA_FLAG_FAVOR_RATIO (1<<0) /**< 1 to compress with the best ratio, 0 to trade some compression ratio for extra decompression speed */
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#define LZSA_FLAG_RAW_BLOCK (1<<1) /**< 1 to emit raw block */
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#endif /* _LIB_H */
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