blob: 7bdaad67daa3e8e53355ac7b27bc2e2cbb7fb1cd (
plain)
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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
/*
* LZMADecode.c
*
* This file is a part of LZMA compression module for NSIS.
*
* Original LZMA SDK Copyright (C) 1999-2006 Igor Pavlov
* Modifications Copyright (C) 2003-2016 Amir Szekely <kichik@netvision.net.il>
*
* Licensed under the Common Public License version 1.0 (the "License");
* you may not use this file except in compliance with the License.
*
* Licence details can be found in the file COPYING.
*
* This software is provided 'as-is', without any express or implied
* warranty.
*
* Reviewed for Unicode support by Jim Park -- 08/24/2007
*/
#ifndef __LZMADECODE_H
#define __LZMADECODE_H
/***********************
* Configuration *
***********************/
#include "../Platform.h"
/* #define _LZMA_PROB32 */
/* It can increase speed on some 32-bit CPUs,
but memory usage will be doubled in that case */
#ifdef _WIN32
# define lzmaalloc(bytes) GlobalAlloc(GPTR,bytes)
# define lzmafree GlobalFree
#endif
/***********************
* Configuration End *
***********************/
#ifdef __cplusplus
extern "C" {
#endif
#ifndef lzmaalloc
#define lzmaalloc malloc
#endif
#ifndef lzmafree
#define lzmafree free
#endif
#ifndef LZMACALL
# define LZMACALL
#endif
#ifndef UInt32
#ifdef _LZMA_UINT32_IS_ULONG
#define UInt32 unsigned long
#else
#define UInt32 unsigned int
#endif
#endif
#ifdef _LZMA_PROB32
#define CProb UInt32
#else
#define CProb unsigned short
#endif
typedef unsigned char Byte;
#define LZMA_STREAM_END 1
#define LZMA_OK 0
#define LZMA_DATA_ERROR -1
/* we don't really care what the problem is... */
/* #define LZMA_RESULT_NOT_ENOUGH_MEM -2 */
#define LZMA_NOT_ENOUGH_MEM -1
typedef struct
{
/* mode control */
int mode;
int last;
int last2;
int last3;
/* properties */
UInt32 dynamicDataSize;
UInt32 dictionarySize;
/* io */
Byte *next_in; /* next input byte */
UInt32 avail_in; /* number of bytes available at next_in */
Byte *next_out; /* next output byte should be put there */
UInt32 avail_out; /* remaining free space at next_out */
UInt32 totalOut; /* total output - not always correct when lzmaDecode returns */
/* saved state */
Byte previousByte;
Byte matchByte;
CProb *probs;
CProb *prob;
int mi;
int posState;
int temp1;
int temp2;
int temp3;
int lc;
int state;
int isPreviousMatch;
int len;
UInt32 rep0;
UInt32 rep1;
UInt32 rep2;
UInt32 rep3;
UInt32 posStateMask;
UInt32 literalPosMask;
UInt32 dictionaryPos;
/* range coder */
UInt32 range;
UInt32 code;
/* allocated buffers */
Byte *dictionary;
Byte *dynamicData;
} lzma_stream;
void LZMACALL lzmaInit(lzma_stream *);
int LZMACALL lzmaDecode(lzma_stream *);
#ifdef __cplusplus
}
#endif
#endif
|
