attempt to fix build

[pcsx_rearmed.git] / deps / libchdr / deps / lzma-22.01 / src / Lzma86Dec.c

/* Lzma86Dec.c -- LZMA + x86 (BCJ) Filter Decoder\r
2016-05-16 : Igor Pavlov : Public domain */\r
\r
#include "Precomp.h"\r
\r
#include "Lzma86.h"\r
\r
#include "Alloc.h"\r
#include "Bra.h"\r
#include "LzmaDec.h"\r
\r
SRes Lzma86_GetUnpackSize(const Byte *src, SizeT srcLen, UInt64 *unpackSize)\r
{\r
  unsigned i;\r
  if (srcLen < LZMA86_HEADER_SIZE)\r
    return SZ_ERROR_INPUT_EOF;\r
  *unpackSize = 0;\r
  for (i = 0; i < sizeof(UInt64); i++)\r
    *unpackSize += ((UInt64)src[LZMA86_SIZE_OFFSET + i]) << (8 * i);\r
  return SZ_OK;\r
}\r
\r
SRes Lzma86_Decode(Byte *dest, SizeT *destLen, const Byte *src, SizeT *srcLen)\r
{\r
  SRes res;\r
  int useFilter;\r
  SizeT inSizePure;\r
  ELzmaStatus status;\r
\r
  if (*srcLen < LZMA86_HEADER_SIZE)\r
    return SZ_ERROR_INPUT_EOF;\r
\r
  useFilter = src[0];\r
\r
  if (useFilter > 1)\r
  {\r
    *destLen = 0;\r
    return SZ_ERROR_UNSUPPORTED;\r
  }\r
\r
  inSizePure = *srcLen - LZMA86_HEADER_SIZE;\r
  res = LzmaDecode(dest, destLen, src + LZMA86_HEADER_SIZE, &inSizePure,\r
      src + 1, LZMA_PROPS_SIZE, LZMA_FINISH_ANY, &status, &g_Alloc);\r
  *srcLen = inSizePure + LZMA86_HEADER_SIZE;\r
  if (res != SZ_OK)\r
    return res;\r
  if (useFilter == 1)\r
  {\r
    UInt32 x86State;\r
    x86_Convert_Init(x86State);\r
    x86_Convert(dest, *destLen, 0, &x86State, 0);\r
  }\r
  return SZ_OK;\r
}\r