d18cea205c
- applied some parts of patch #875485 git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@3508 212acab6-be3b-0410-9dea-997c60f758d6
109 lines
2.2 KiB
C
109 lines
2.2 KiB
C
/*
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LzmaDecode.h
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LZMA Decoder interface
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LZMA SDK 4.01 Copyright (c) 1999-2004 Igor Pavlov (2004-02-15)
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*/
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#ifndef __LZMADECODE_H
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#define __LZMADECODE_H
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#include "../Platform.h"
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#include "../exehead/util.h"
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/* #define _LZMA_PROB32 */
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/* It can increase speed on some 32-bit CPUs,
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but memory usage will be doubled in that case */
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#define _LZMA_LOC_OPT
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/* Enable local speed optimizations inside code */
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#ifndef LZMACALL
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# define LZMACALL stdcall
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#endif
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#ifndef FORCE_INLINE
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# define FORCE_INLINE
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#endif
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#ifndef UInt32
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#ifdef _LZMA_UINT32_IS_ULONG
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#define UInt32 unsigned long
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#else
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#define UInt32 unsigned int
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#endif
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#endif
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#ifdef _LZMA_PROB32
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#define CProb UInt32
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#else
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#define CProb unsigned short
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#endif
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#define LZMA_RESULT_OK 0
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#define LZMA_RESULT_DATA_ERROR -1
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// we don't really care what the problem is...
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// #define LZMA_RESULT_NOT_ENOUGH_MEM -2
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#define LZMA_RESULT_NOT_ENOUGH_MEM LZMA_RESULT_DATA_ERROR
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#define LZMA_BASE_SIZE 1846
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#define LZMA_LIT_SIZE 768
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/*
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bufferSize = (LZMA_BASE_SIZE + (LZMA_LIT_SIZE << (lc + lp)))* sizeof(CProb)
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by default CProb is unsigned short,
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but if specify _LZMA_PROB_32, CProb will be UInt32(unsigned int)
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*/
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typedef struct
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{
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unsigned char FirstProp;
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unsigned char *DynamicData;
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UInt32 DynamicDataSize;
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unsigned char *Dictionary;
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UInt32 DictionarySize;
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UInt32 DictionaryPos;
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// range coder
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UInt32 Range;
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UInt32 Code;
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int Result;
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// others
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UInt32 GlobalPos;
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UInt32 Reps[4];
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int lc;
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int lp;
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int pb;
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int State;
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int PreviousIsMatch;
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int RemainLen;
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// io
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unsigned char *next_in; /* next input byte */
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unsigned int avail_in; /* number of bytes available at next_in */
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unsigned char *next_out; /* next output byte should be put there */
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unsigned int avail_out; /* remaining free space at next_out */
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// sync
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HANDLE hThread;
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long sync_state;
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// finish
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int finished;
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int res;
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} CLZMAState, *CLZMAStateP;
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int LZMACALL LzmaDecoderInit(CLZMAStateP lzmaState);
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int LZMACALL LzmaDecode(CLZMAStateP lzmaState);
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void LZMACALL lzmaInit(CLZMAStateP lzmaState);
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int LZMACALL lzmaDecompress(CLZMAStateP lzmaState);
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#define LZMAAlloc my_GlobalAlloc
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#define LZMAFree GlobalFree
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#define LZMAMemCopy mini_memcpy
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#endif
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