repo sync | baa3858 | 2013-07-26 17:53:31 -0700 | [diff] [blame] | 1 | /* Lzma2Dec.h -- LZMA2 Decoder
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| 2 | 2009-05-03 : Igor Pavlov : Public domain */
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| 3 |
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| 4 | #ifndef __LZMA2_DEC_H
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| 5 | #define __LZMA2_DEC_H
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| 6 |
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| 7 | #include "LzmaDec.h"
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| 8 |
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| 9 | #ifdef __cplusplus
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| 10 | extern "C" {
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| 11 | #endif
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| 12 |
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| 13 | /* ---------- State Interface ---------- */
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| 14 |
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| 15 | typedef struct
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| 16 | {
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| 17 | CLzmaDec decoder;
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| 18 | UInt32 packSize;
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| 19 | UInt32 unpackSize;
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| 20 | int state;
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| 21 | Byte control;
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| 22 | Bool needInitDic;
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| 23 | Bool needInitState;
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| 24 | Bool needInitProp;
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| 25 | } CLzma2Dec;
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| 26 |
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| 27 | #define Lzma2Dec_Construct(p) LzmaDec_Construct(&(p)->decoder)
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| 28 | #define Lzma2Dec_FreeProbs(p, alloc) LzmaDec_FreeProbs(&(p)->decoder, alloc);
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| 29 | #define Lzma2Dec_Free(p, alloc) LzmaDec_Free(&(p)->decoder, alloc);
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| 30 |
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| 31 | SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAlloc *alloc);
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| 32 | SRes Lzma2Dec_Allocate(CLzma2Dec *p, Byte prop, ISzAlloc *alloc);
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| 33 | void Lzma2Dec_Init(CLzma2Dec *p);
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| 34 |
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| 35 |
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| 36 | /*
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| 37 | finishMode:
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| 38 | It has meaning only if the decoding reaches output limit (*destLen or dicLimit).
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| 39 | LZMA_FINISH_ANY - use smallest number of input bytes
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| 40 | LZMA_FINISH_END - read EndOfStream marker after decoding
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| 41 |
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| 42 | Returns:
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| 43 | SZ_OK
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| 44 | status:
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| 45 | LZMA_STATUS_FINISHED_WITH_MARK
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| 46 | LZMA_STATUS_NOT_FINISHED
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| 47 | LZMA_STATUS_NEEDS_MORE_INPUT
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| 48 | SZ_ERROR_DATA - Data error
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| 49 | */
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| 50 |
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| 51 | SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit,
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| 52 | const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
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| 53 |
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| 54 | SRes Lzma2Dec_DecodeToBuf(CLzma2Dec *p, Byte *dest, SizeT *destLen,
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| 55 | const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status);
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| 56 |
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| 57 |
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| 58 | /* ---------- One Call Interface ---------- */
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| 59 |
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| 60 | /*
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| 61 | finishMode:
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| 62 | It has meaning only if the decoding reaches output limit (*destLen).
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| 63 | LZMA_FINISH_ANY - use smallest number of input bytes
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| 64 | LZMA_FINISH_END - read EndOfStream marker after decoding
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| 65 |
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| 66 | Returns:
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| 67 | SZ_OK
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| 68 | status:
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| 69 | LZMA_STATUS_FINISHED_WITH_MARK
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| 70 | LZMA_STATUS_NOT_FINISHED
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| 71 | SZ_ERROR_DATA - Data error
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| 72 | SZ_ERROR_MEM - Memory allocation error
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| 73 | SZ_ERROR_UNSUPPORTED - Unsupported properties
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| 74 | SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src).
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| 75 | */
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| 76 |
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| 77 | SRes Lzma2Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen,
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| 78 | Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAlloc *alloc);
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| 79 |
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| 80 | #ifdef __cplusplus
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| 81 | }
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| 82 | #endif
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| 83 |
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| 84 | #endif
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