1 // OutStreamWithCRC.cpp

     2 

     3 #include "StdAfx.h"

     4 

     5 #include "OutStreamWithCRC.h"

     6 

     7 STDMETHODIMP COutStreamWithCRC::Write(const void *data, UInt32 size, UInt32 *processedSize)

     8 {

     9   UInt32 realProcessedSize;

    10   HRESULT result;

    11   if(!_stream)

    12   {

    13     realProcessedSize = size;

    14     result = S_OK;

    15   }

    16   else

    17     result = _stream->Write(data, size, &realProcessedSize);

    18   if (_calculate)

    19     _crc = CrcUpdate(_crc, data, realProcessedSize);

    20   _size += realProcessedSize;

    21   if(processedSize != NULL)

    22     *processedSize = realProcessedSize;

    23   return result;

    24 }