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/* Lzma2Dec.h -- LZMA2 Decoder
2015-05-13 : Igor Pavlov : Public domain */
#ifndef __LZMA2_DEC_H
#define __LZMA2_DEC_H
#include "LzmaDec.h"
EXTERN_C_BEGIN
/* ---------- State Interface ---------- */
typedef struct
{
CLzmaDec decoder;
UInt32 packSize;
UInt32 unpackSize;
unsigned state;
Byte control;
Bool needInitDic;
Bool needInitState;
Bool needInitProp;
} CLzma2Dec;
#define Lzma2Dec_Construct(p) LzmaDec_Construct(&(p)->decoder)
#define Lzma2Dec_FreeProbs(p, alloc) LzmaDec_FreeProbs(&(p)->decoder, alloc);
#define Lzma2Dec_Free(p, alloc) LzmaDec_Free(&(p)->decoder, alloc);
SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAlloc *alloc);
SRes Lzma2Dec_Allocate(CLzma2Dec *p, Byte prop, ISzAlloc *alloc);
void Lzma2Dec_Init(CLzma2Dec *p);
/*
finishMode:
It has meaning only if the decoding reaches output limit (*destLen or dicLimit).
LZMA_FINISH_ANY - use smallest number of input bytes
LZMA_FINISH_END - read EndOfStream marker after decoding
Returns:
SZ_OK
status:
LZMA_STATUS_FINISHED_WITH_MARK
LZMA_STATUS_NOT_FINISHED
LZMA_STATUS_NEEDS_MORE_INPUT
SZ_ERROR_DATA - Data error
*/
SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit,
const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
SRes Lzma2Dec_DecodeToBuf(CLzma2Dec *p, Byte *dest, SizeT *destLen,
const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
/* ---------- One Call Interface ---------- */
/*
finishMode:
It has meaning only if the decoding reaches output limit (*destLen).
LZMA_FINISH_ANY - use smallest number of input bytes
LZMA_FINISH_END - read EndOfStream marker after decoding
Returns:
SZ_OK
status:
LZMA_STATUS_FINISHED_WITH_MARK
LZMA_STATUS_NOT_FINISHED
SZ_ERROR_DATA - Data error
SZ_ERROR_MEM - Memory allocation error
SZ_ERROR_UNSUPPORTED - Unsupported properties
SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src).
*/
SRes Lzma2Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAlloc *alloc);
EXTERN_C_END
#endif
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