1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/*
* 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 */
|
