src/lib/lzmadecode.h

   1 /*
   2   LzmaDecode.h
   3   LZMA Decoder interface
   4
   5   LZMA SDK 4.40 Copyright (c) 1999-2006 Igor Pavlov (2006-05-01)
   6   http://www.7-zip.org/
   7
   8   LZMA SDK is licensed under two licenses:
   9   1) GNU Lesser General Public License (GNU LGPL)
  10   2) Common Public License (CPL)
  11   It means that you can select one of these two licenses and
  12   follow rules of that license.
  13
  14   SPECIAL EXCEPTION:
  15   Igor Pavlov, as the author of this code, expressly permits you to
  16   statically or dynamically link your code (or bind by name) to the
  17   interfaces of this file without subjecting your linked code to the
  18   terms of the CPL or GNU LGPL. Any modifications or additions
  19   to this file, however, are subject to the LGPL or CPL terms.
  20 */
  21
  22 #ifndef __LZMADECODE_H
  23 #define __LZMADECODE_H
  24
  25 #include <types.h>
  26
  27 typedef unsigned char Byte;
  28 typedef unsigned short UInt16;
  29 typedef unsigned int UInt32;
  30 typedef size_t SizeT;
  31
  32 #define CProb UInt16
  33
  34 #define LZMA_RESULT_OK 0
  35 #define LZMA_RESULT_DATA_ERROR 1
  36
  37
  38 #define LZMA_BASE_SIZE 1846
  39 #define LZMA_LIT_SIZE 768
  40
  41 #define LZMA_PROPERTIES_SIZE 5
  42
  43 typedef struct _CLzmaProperties {
  44         int lc;
  45         int lp;
  46         int pb;
  47 } CLzmaProperties;
  48
  49 int LzmaDecodeProperties(CLzmaProperties *propsRes,
  50         const unsigned char *propsData, int size);
  51
  52 #define LzmaGetNumProbs(Properties) (LZMA_BASE_SIZE + (LZMA_LIT_SIZE \
  53         << ((Properties)->lc + (Properties)->lp)))
  54
  55 #define kLzmaNeedInitId (-2)
  56
  57 typedef struct _CLzmaDecoderState {
  58         CLzmaProperties Properties;
  59         CProb *Probs;
  60 } CLzmaDecoderState;
  61
  62
  63 int LzmaDecode(CLzmaDecoderState *vs,
  64         const unsigned char *inStream, SizeT inSize, SizeT *inSizeProcessed,
  65         unsigned char *outStream, SizeT outSize, SizeT *outSizeProcessed);
  66
  67 #endif