diff options
| author | Ladislav Zezula <ladislav.zezula@avg.com> | 2013-11-13 07:56:31 +0100 |
|---|---|---|
| committer | Ladislav Zezula <ladislav.zezula@avg.com> | 2013-11-13 07:56:31 +0100 |
| commit | a70863499e5e9e6560477b8f4a0a594d6e62650e (patch) | |
| tree | 21118705bf1d412ed9aea0b51daf25f98b4fabad /src/SCompression.cpp | |
| parent | 66b71713c2a60e6f6ccc55245b067dad34fd6154 (diff) | |
+ Support for SQP and MPK archives
+ Makefiles fixed
Diffstat (limited to 'src/SCompression.cpp')
| -rw-r--r-- | src/SCompression.cpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/SCompression.cpp b/src/SCompression.cpp index 8e4fcac..933dc61 100644 --- a/src/SCompression.cpp +++ b/src/SCompression.cpp @@ -532,6 +532,47 @@ static int Decompress_LZMA(void * pvOutBuffer, int * pcbOutBuffer, void * pvInBu return 1; } +static int Decompress_LZMA_MPK(void * pvOutBuffer, int * pcbOutBuffer, void * pvInBuffer, int cbInBuffer) +{ + ELzmaStatus LzmaStatus; + ISzAlloc SzAlloc; + Byte * destBuffer = (Byte *)pvOutBuffer; + Byte * srcBuffer = (Byte *)pvInBuffer; + SizeT destLen = *pcbOutBuffer; + SizeT srcLen = cbInBuffer; + SRes nResult; + BYTE LZMA_Props[] = {0x5D, 0x00, 0x00, 0x00, 0x01}; + + // There must be at least 0x0E bytes in the buffer + if(srcLen <= sizeof(LZMA_Props)) + return 0; + + // Verify the props header + if(memcmp(pvInBuffer, LZMA_Props, sizeof(LZMA_Props))) + return 0; + + // Fill the callbacks in structures + SzAlloc.Alloc = LZMA_Callback_Alloc; + SzAlloc.Free = LZMA_Callback_Free; + + // Perform compression + srcLen = cbInBuffer - sizeof(LZMA_Props); + nResult = LzmaDecode(destBuffer, + &destLen, + srcBuffer + sizeof(LZMA_Props), + &srcLen, + srcBuffer, + sizeof(LZMA_Props), + LZMA_FINISH_END, + &LzmaStatus, + &SzAlloc); + if(nResult != SZ_OK) + return 0; + + *pcbOutBuffer = (unsigned int)destLen; + return 1; +} + /******************************************************************************/ /* */ /* Support functions for SPARSE compression (0x20) */ @@ -1073,3 +1114,15 @@ int WINAPI SCompDecompress2(void * pvOutBuffer, int * pcbOutBuffer, void * pvInB SetLastError(ERROR_FILE_CORRUPT); return nResult; } + +/*****************************************************************************/ +/* */ +/* File decompression for MPK archives */ +/* */ +/*****************************************************************************/ + +int SCompDecompressMpk(void * pvOutBuffer, int * pcbOutBuffer, void * pvInBuffer, int cbInBuffer) +{ + return Decompress_LZMA_MPK(pvOutBuffer, pcbOutBuffer, pvInBuffer, cbInBuffer); +} + |