diff options
Diffstat (limited to 'CPP/7zip/Common/LimitedStreams.cpp')
-rwxr-xr-x | CPP/7zip/Common/LimitedStreams.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/CPP/7zip/Common/LimitedStreams.cpp b/CPP/7zip/Common/LimitedStreams.cpp new file mode 100755 index 00000000..af721146 --- /dev/null +++ b/CPP/7zip/Common/LimitedStreams.cpp @@ -0,0 +1,24 @@ +// LimitedStreams.cpp + +#include "StdAfx.h" + +#include "LimitedStreams.h" +#include "../../Common/Defs.h" + +STDMETHODIMP CLimitedSequentialInStream::Read(void *data, UInt32 size, UInt32 *processedSize) +{ + UInt32 realProcessedSize = 0; + UInt32 sizeToRead = (UInt32)MyMin((_size - _pos), (UInt64)size); + HRESULT result = S_OK; + if (sizeToRead > 0) + { + result = _stream->Read(data, sizeToRead, &realProcessedSize); + _pos += realProcessedSize; + if (realProcessedSize == 0) + _wasFinished = true; + } + if(processedSize != NULL) + *processedSize = realProcessedSize; + return result; +} + |