source: trunk/package/uboot-ifxmips/files/include/LzmaDecode.h @ 13291

Last change on this file since 13291 was 13291, checked in by thl, 7 years ago

[ifxmips] cleanup uboot package

File size: 2.6 KB
Line 
1/*
2  LzmaDecode.h
3  LZMA Decoder interface
4
5  LZMA SDK 4.40 Copyright (c) 1999-2006 Igor Pavlov (2006-05-01)
6  http://www.7-zip.org/
7
8  LZMA SDK is licensed under two licenses:
9  1) GNU Lesser General Public License (GNU LGPL)
10  2) Common Public License (CPL)
11  It means that you can select one of these two licenses and
12  follow rules of that license.
13
14  SPECIAL EXCEPTION:
15  Igor Pavlov, as the author of this code, expressly permits you to
16  statically or dynamically link your code (or bind by name) to the
17  interfaces of this file without subjecting your linked code to the
18  terms of the CPL or GNU LGPL. Any modifications or additions
19  to this file, however, are subject to the LGPL or CPL terms.
20*/
21
22#ifndef __LZMADECODE_H
23#define __LZMADECODE_H
24
25#include "LzmaTypes.h"
26
27/* #define _LZMA_IN_CB */
28/* Use callback for input data */
29
30/* #define _LZMA_OUT_READ */
31/* Use read function for output data */
32
33/* #define _LZMA_PROB32 */
34/* It can increase speed on some 32-bit CPUs,
35   but memory usage will be doubled in that case */
36
37/* #define _LZMA_LOC_OPT */
38/* Enable local speed optimizations inside code */
39
40#ifdef _LZMA_PROB32
41#define CProb UInt32
42#else
43#define CProb UInt16
44#endif
45
46#define LZMA_RESULT_OK 0
47#define LZMA_RESULT_DATA_ERROR 1
48
49#ifdef _LZMA_IN_CB
50typedef struct _ILzmaInCallback
51{
52  int (*Read)(void *object, const unsigned char **buffer, SizeT *bufferSize);
53} ILzmaInCallback;
54#endif
55
56#define LZMA_BASE_SIZE 1846
57#define LZMA_LIT_SIZE 768
58
59#define LZMA_PROPERTIES_SIZE 5
60
61typedef struct _CLzmaProperties
62{
63  int lc;
64  int lp;
65  int pb;
66  #ifdef _LZMA_OUT_READ
67  UInt32 DictionarySize;
68  #endif
69}CLzmaProperties;
70
71int LzmaDecodeProperties(CLzmaProperties *propsRes, const unsigned char *propsData, int size);
72
73#define LzmaGetNumProbs(Properties) (LZMA_BASE_SIZE + (LZMA_LIT_SIZE << ((Properties)->lc + (Properties)->lp)))
74
75#define kLzmaNeedInitId (-2)
76
77typedef struct _CLzmaDecoderState
78{
79  CLzmaProperties Properties;
80  CProb *Probs;
81
82  #ifdef _LZMA_IN_CB
83  const unsigned char *Buffer;
84  const unsigned char *BufferLim;
85  #endif
86
87  #ifdef _LZMA_OUT_READ
88  unsigned char *Dictionary;
89  UInt32 Range;
90  UInt32 Code;
91  UInt32 DictionaryPos;
92  UInt32 GlobalPos;
93  UInt32 DistanceLimit;
94  UInt32 Reps[4];
95  int State;
96  int RemainLen;
97  unsigned char TempDictionary[4];
98  #endif
99} CLzmaDecoderState;
100
101#ifdef _LZMA_OUT_READ
102#define LzmaDecoderInit(vs) { (vs)->RemainLen = kLzmaNeedInitId; }
103#endif
104
105int LzmaDecode(CLzmaDecoderState *vs,
106    #ifdef _LZMA_IN_CB
107    ILzmaInCallback *inCallback,
108    #else
109    const unsigned char *inStream, SizeT inSize, SizeT *inSizeProcessed,
110    #endif
111    unsigned char *outStream, SizeT outSize, SizeT *outSizeProcessed);
112
113#endif
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