diff options
author | 2015-01-11 08:10:25 +0100 | |
---|---|---|
committer | 2015-01-11 08:10:25 +0100 | |
commit | 6a23c2f3b766cf4fc7028628f76b5ff9396383f0 (patch) | |
tree | a01e16637118ae0c80f337119898bdf18f081e24 /3rdparty/lzma/CPP/7zip/Archive/Common/InStreamWithCRC.cpp | |
parent | 45ac9b351e0076c371de4c7453f59567b27b1cb6 (diff) |
Added full lzma sdk source (nw)
Diffstat (limited to '3rdparty/lzma/CPP/7zip/Archive/Common/InStreamWithCRC.cpp')
-rw-r--r-- | 3rdparty/lzma/CPP/7zip/Archive/Common/InStreamWithCRC.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/3rdparty/lzma/CPP/7zip/Archive/Common/InStreamWithCRC.cpp b/3rdparty/lzma/CPP/7zip/Archive/Common/InStreamWithCRC.cpp new file mode 100644 index 00000000000..569a56f3bee --- /dev/null +++ b/3rdparty/lzma/CPP/7zip/Archive/Common/InStreamWithCRC.cpp @@ -0,0 +1,42 @@ +// InStreamWithCRC.cpp + +#include "StdAfx.h" + +#include "InStreamWithCRC.h" + +STDMETHODIMP CSequentialInStreamWithCRC::Read(void *data, UInt32 size, UInt32 *processedSize) +{ + UInt32 realProcessedSize; + HRESULT result = _stream->Read(data, size, &realProcessedSize); + _size += realProcessedSize; + if (size > 0 && realProcessedSize == 0) + _wasFinished = true; + _crc = CrcUpdate(_crc, data, realProcessedSize); + if(processedSize != NULL) + *processedSize = realProcessedSize; + return result; +} + +STDMETHODIMP CInStreamWithCRC::Read(void *data, UInt32 size, UInt32 *processedSize) +{ + UInt32 realProcessedSize; + HRESULT result = _stream->Read(data, size, &realProcessedSize); + /* + if (size > 0 && realProcessedSize == 0) + _wasFinished = true; + */ + _size += realProcessedSize; + _crc = CrcUpdate(_crc, data, realProcessedSize); + if(processedSize != NULL) + *processedSize = realProcessedSize; + return result; +} + +STDMETHODIMP CInStreamWithCRC::Seek(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition) +{ + if (seekOrigin != STREAM_SEEK_SET || offset != 0) + return E_FAIL; + _size = 0; + _crc = CRC_INIT_VAL; + return _stream->Seek(offset, seekOrigin, newPosition); +} |