1 /* Lzma2Dec.h -- LZMA2 Decoder 2 2009-05-03 : Igor Pavlov : Public domain */ 3 4 #ifndef __LZMA2_DEC_H 5 #define __LZMA2_DEC_H 6 7 #include "LzmaDec.h" 8 9 #ifdef __cplusplus 10 extern "C" { 11 #endif 12 13 /* ---------- State Interface ---------- */ 14 15 typedef struct 16 { 17 CLzmaDec decoder; 18 UInt32 packSize; 19 UInt32 unpackSize; 20 int state; 21 Byte control; 22 Bool needInitDic; 23 Bool needInitState; 24 Bool needInitProp; 25 } CLzma2Dec; 26 27 #define Lzma2Dec_Construct(p) LzmaDec_Construct(&(p)->decoder) 28 #define Lzma2Dec_FreeProbs(p, alloc) LzmaDec_FreeProbs(&(p)->decoder, alloc); 29 #define Lzma2Dec_Free(p, alloc) LzmaDec_Free(&(p)->decoder, alloc); 30 31 SRes Lzma2Dec_AllocateProbs(CLzma2Dec *p, Byte prop, ISzAlloc *alloc); 32 SRes Lzma2Dec_Allocate(CLzma2Dec *p, Byte prop, ISzAlloc *alloc); 33 void Lzma2Dec_Init(CLzma2Dec *p); 34 35 36 /* 37 finishMode: 38 It has meaning only if the decoding reaches output limit (*destLen or dicLimit). 39 LZMA_FINISH_ANY - use smallest number of input bytes 40 LZMA_FINISH_END - read EndOfStream marker after decoding 41 42 Returns: 43 SZ_OK 44 status: 45 LZMA_STATUS_FINISHED_WITH_MARK 46 LZMA_STATUS_NOT_FINISHED 47 LZMA_STATUS_NEEDS_MORE_INPUT 48 SZ_ERROR_DATA - Data error 49 */ 50 51 SRes Lzma2Dec_DecodeToDic(CLzma2Dec *p, SizeT dicLimit, 52 const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); 53 54 SRes Lzma2Dec_DecodeToBuf(CLzma2Dec *p, Byte *dest, SizeT *destLen, 55 const Byte *src, SizeT *srcLen, ELzmaFinishMode finishMode, ELzmaStatus *status); 56 57 58 /* ---------- One Call Interface ---------- */ 59 60 /* 61 finishMode: 62 It has meaning only if the decoding reaches output limit (*destLen). 63 LZMA_FINISH_ANY - use smallest number of input bytes 64 LZMA_FINISH_END - read EndOfStream marker after decoding 65 66 Returns: 67 SZ_OK 68 status: 69 LZMA_STATUS_FINISHED_WITH_MARK 70 LZMA_STATUS_NOT_FINISHED 71 SZ_ERROR_DATA - Data error 72 SZ_ERROR_MEM - Memory allocation error 73 SZ_ERROR_UNSUPPORTED - Unsupported properties 74 SZ_ERROR_INPUT_EOF - It needs more bytes in input buffer (src). 75 */ 76 77 SRes Lzma2Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen, 78 Byte prop, ELzmaFinishMode finishMode, ELzmaStatus *status, ISzAlloc *alloc); 79 80 #ifdef __cplusplus 81 } 82 #endif 83 84 #endif 85