release/src/linux/linux/fs/inflate_lzma/7zlzma.c

   1 #include "7z.h"
   2
   3 #ifdef _HOST_TOOL
   4 #include "stdio.h"
   5 #endif
   6
   7 #include "LZMADecoder.h"
   8
   9
  10 static LzmaDecoder   cc;
  11 ISequentialInStream  in_stream;
  12 ISequentialOutStream out_stream;
  13 int decompress_lzma_7z( unsigned char* in_data,
  14                         unsigned in_size,
  15                         unsigned char* out_data,
  16                         unsigned out_size) {
  17 //              LzmaDecoder cc;
  18         int RC;
  19         UINT64 in_size_l  = in_size;
  20         UINT64 out_size_l = out_size;
  21
  22
  23         InStreamInit(in_data, in_size);
  24
  25         OutStreamInit((char *)out_data, out_size);
  26
  27         LzmaDecoderConstructor(&cc);
  28
  29         if ((RC = LzmaDecoderReadCoderProperties(&cc)) != S_OK)
  30         {
  31                 return RC;
  32         }
  33
  34         if (LzmaDecoderCode(&cc, &in_size_l, &out_size_l) != S_OK)
  35         {
  36                 return -2;
  37         }
  38
  39         if (out_stream.size != out_size)
  40         {
  41                 return -3;
  42         }
  43
  44         if ( out_stream.overflow )
  45         {
  46             return -4;
  47         }
  48
  49         return 0;
  50 }
  51
  52 //BRCM modification
  53 #ifdef __KERNEL__
  54 EXPORT_SYMBOL(decompress_lzma_7z);
  55 #endif
  56
  57