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25 lines
609 B
C++
Executable File
25 lines
609 B
C++
Executable File
// LimitedStreams.cpp
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#include "StdAfx.h"
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#include "LimitedStreams.h"
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#include "../../Common/Defs.h"
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void CLimitedSequentialInStream::Init(ISequentialInStream *stream, UInt64 streamSize)
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{
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_stream = stream;
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_size = streamSize;
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}
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STDMETHODIMP CLimitedSequentialInStream::Read(void *data, UInt32 size, UInt32 *processedSize)
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{
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UInt32 processedSizeReal;
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UInt32 sizeToRead = UInt32(MyMin(_size, UInt64(size)));
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HRESULT result = _stream->Read(data, sizeToRead, &processedSizeReal);
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_size -= processedSizeReal;
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if(processedSize != NULL)
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*processedSize = processedSizeReal;
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return result;
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}
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