1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/other-licenses/7zstub/src/7zip/Common/LimitedStreams.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,24 @@
1.4 +// LimitedStreams.cpp
1.5 +
1.6 +#include "StdAfx.h"
1.7 +
1.8 +#include "LimitedStreams.h"
1.9 +#include "../../Common/Defs.h"
1.10 +
1.11 +void CLimitedSequentialInStream::Init(ISequentialInStream *stream, UInt64 streamSize)
1.12 +{
1.13 + _stream = stream;
1.14 + _size = streamSize;
1.15 +}
1.16 +
1.17 +STDMETHODIMP CLimitedSequentialInStream::Read(void *data, UInt32 size, UInt32 *processedSize)
1.18 +{
1.19 + UInt32 processedSizeReal;
1.20 + UInt32 sizeToRead = UInt32(MyMin(_size, UInt64(size)));
1.21 + HRESULT result = _stream->Read(data, sizeToRead, &processedSizeReal);
1.22 + _size -= processedSizeReal;
1.23 + if(processedSize != NULL)
1.24 + *processedSize = processedSizeReal;
1.25 + return result;
1.26 +}
1.27 +
