target/linux/ar7-2.4/image/src/LzmaDecode.h

   1 /*
   2   LzmaDecode.h
   3   LZMA Decoder interface
   4
   5   LZMA SDK 4.05 Copyright (c) 1999-2004 Igor Pavlov (2004-08-25)
   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 /* #define _LZMA_IN_CB */
  26 /* Use callback for input data */
  27
  28 /* #define _LZMA_OUT_READ */
  29 /* Use read function for output data */
  30
  31 /* #define _LZMA_PROB32 */
  32 /* It can increase speed on some 32-bit CPUs,
  33    but memory usage will be doubled in that case */
  34
  35 /* #define _LZMA_LOC_OPT */
  36 /* Enable local speed optimizations inside code */
  37
  38 #ifndef UInt32
  39 #ifdef _LZMA_UINT32_IS_ULONG
  40 #define UInt32 unsigned long
  41 #else
  42 #define UInt32 unsigned int
  43 #endif
  44 #endif
  45
  46 #ifdef _LZMA_PROB32
  47 #define CProb UInt32
  48 #else
  49 #define CProb unsigned short
  50 #endif
  51
  52 #define LZMA_RESULT_OK 0
  53 #define LZMA_RESULT_DATA_ERROR 1
  54 #define LZMA_RESULT_NOT_ENOUGH_MEM 2
  55
  56 #ifdef _LZMA_IN_CB
  57 typedef struct _ILzmaInCallback
  58 {
  59   int (*Read)(void *object, unsigned char **buffer, UInt32 *bufferSize);
  60 } ILzmaInCallback;
  61 #endif
  62
  63 #define LZMA_BASE_SIZE 1846
  64 #define LZMA_LIT_SIZE 768
  65
  66 /*
  67 bufferSize = (LZMA_BASE_SIZE + (LZMA_LIT_SIZE << (lc + lp)))* sizeof(CProb)
  68 bufferSize += 100 in case of _LZMA_OUT_READ
  69 by default CProb is unsigned short,
  70 but if specify _LZMA_PROB_32, CProb will be UInt32(unsigned int)
  71 */
  72
  73 #ifdef _LZMA_OUT_READ
  74 int LzmaDecoderInit(
  75     unsigned char *buffer, UInt32 bufferSize,
  76     int lc, int lp, int pb,
  77     unsigned char *dictionary, UInt32 dictionarySize,
  78   #ifdef _LZMA_IN_CB
  79     ILzmaInCallback *inCallback
  80   #else
  81     unsigned char *inStream, UInt32 inSize
  82   #endif
  83 );
  84 #endif
  85
  86 int LzmaDecode(
  87     unsigned char *buffer,
  88   #ifndef _LZMA_OUT_READ
  89     UInt32 bufferSize,
  90     int lc, int lp, int pb,
  91   #ifdef _LZMA_IN_CB
  92     ILzmaInCallback *inCallback,
  93   #else
  94     unsigned char *inStream, UInt32 inSize,
  95   #endif
  96   #endif
  97     unsigned char *outStream, UInt32 outSize,
  98     UInt32 *outSizeProcessed);
  99
 100 #endif