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81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/* Lzma2Dec.h -- LZMA2 Decoder
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2017-04-03 : Igor Pavlov : Public domain */
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#ifndef __LZMA2_DEC_H
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#define __LZMA2_DEC_H
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#include "LzmaDec.h"
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EXTERN_C_BEGIN
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/* ---------- State Interface ---------- */
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typedef struct
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{
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CLzmaDec decoder;
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UInt32 packSize;
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UInt32 unpackSize;
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unsigned state;
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Byte control;
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Bool needInitDic;
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Bool needInitState;
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Bool needInitProp;
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} CLzma2Dec;
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#define Lzma2Dec_Construct(p) LzmaDec_Construct(&(p)->decoder)
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#define Lzma2Dec_FreeProbs(p, alloc) LzmaDec_FreeProbs(&(p)->decoder, alloc);
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#define Lzma2Dec_Free(p, alloc) LzmaDec_Free(&(p)->decoder, alloc);
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SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAllocPtr alloc);
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SRes Lzma2Dec_Allocate(CLzma2Dec *p, Byte prop, ISzAllocPtr alloc);
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void Lzma2Dec_Init(CLzma2Dec *p);
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/*
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finishMode:
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It has meaning only if the decoding reaches output limit (*destLen or dicLimit).
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LZMA_FINISH_ANY - use smallest number of input bytes
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LZMA_FINISH_END - read EndOfStream marker after decoding
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Returns:
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SZ_OK
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status:
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LZMA_STATUS_FINISHED_WITH_MARK
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LZMA_STATUS_NOT_FINISHED
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LZMA_STATUS_NEEDS_MORE_INPUT
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SZ_ERROR_DATA - Data error
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*/
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SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit,
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const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
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SRes Lzma2Dec_DecodeToBuf(CLzma2Dec *p, Byte *dest, SizeT *destLen,
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const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
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/* ---------- One Call Interface ---------- */
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/*
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finishMode:
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It has meaning only if the decoding reaches output limit (*destLen).
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LZMA_FINISH_ANY - use smallest number of input bytes
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LZMA_FINISH_END - read EndOfStream marker after decoding
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Returns:
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SZ_OK
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status:
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LZMA_STATUS_FINISHED_WITH_MARK
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LZMA_STATUS_NOT_FINISHED
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SZ_ERROR_DATA - Data error
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SZ_ERROR_MEM - Memory allocation error
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SZ_ERROR_UNSUPPORTED - Unsupported properties
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SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src).
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*/
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SRes Lzma2Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
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Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAllocPtr alloc);
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EXTERN_C_END
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#endif
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