third_party/lzma_sdk/Lzma2Dec.h

   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