1 // LimitedStreams.cpp

     2 

     3 #include "StdAfx.h"

     4 

     5 #include "LimitedStreams.h"

     6 #include "../../Common/Defs.h"

     7 

     8 STDMETHODIMP CLimitedSequentialInStream::Read(void *data, UInt32 size, UInt32 *processedSize)

     9 {

    10   UInt32 realProcessedSize = 0;

    11   UInt32 sizeToRead = (UInt32)MyMin((_size - _pos), (UInt64)size);

    12   HRESULT result = S_OK;

    13   if (sizeToRead > 0)

    14   {

    15     result = _stream->Read(data, sizeToRead, &realProcessedSize);

    16     _pos += realProcessedSize;

    17     if (realProcessedSize == 0)

    18       _wasFinished = true;

    19   }

    20   if(processedSize != NULL)

    21     *processedSize = realProcessedSize;

    22   return result;

    23 }

    24