25 lines
545 B
C++
25 lines
545 B
C++
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// OutStreamWithCRC.cpp
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#include "StdAfx.h"
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#include "OutStreamWithCRC.h"
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STDMETHODIMP COutStreamWithCRC::Write(const void *data, UInt32 size, UInt32 *processedSize)
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{
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UInt32 realProcessedSize;
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HRESULT result;
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if(!_stream)
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{
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realProcessedSize = size;
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result = S_OK;
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}
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else
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result = _stream->Write(data, size, &realProcessedSize);
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if (_calculate)
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_crc = CrcUpdate(_crc, data, realProcessedSize);
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_size += realProcessedSize;
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if(processedSize != NULL)
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*processedSize = realProcessedSize;
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return result;
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}
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