michael@0: // OutStreamWithCRC.cpp
michael@0: 
michael@0: #include "StdAfx.h"
michael@0: 
michael@0: #include "OutStreamWithCRC.h"
michael@0: 
michael@0: STDMETHODIMP COutStreamWithCRC::Write(const void *data, 
michael@0:     UInt32 size, UInt32 *processedSize)
michael@0: {
michael@0:   UInt32 realProcessedSize;
michael@0:   HRESULT result;
michael@0:   if(!_stream)
michael@0:   {
michael@0:     realProcessedSize = size;
michael@0:     result = S_OK;
michael@0:   }
michael@0:   else
michael@0:     result = _stream->Write(data, size, &realProcessedSize);
michael@0:   _crc.Update(data, realProcessedSize);
michael@0:   if(processedSize != NULL)
michael@0:     *processedSize = realProcessedSize;
michael@0:   return result;
michael@0: }