+
−// LimitedStreams.cpp
+
−
+
−#include "StdAfx.h"
+
−
+
−#include "LimitedStreams.h"
+
−#include "../../Common/Defs.h"
+
−
+
−STDMETHODIMP CLimitedSequentialInStream::Read(void *data, UInt32 size, UInt32 *processedSize)
+
−{
+
−  UInt32 realProcessedSize = 0;
+
−  UInt32 sizeToRead = (UInt32)MyMin((_size - _pos), (UInt64)size);
+
−  HRESULT result = S_OK;
+
−  if (sizeToRead > 0)
+
−  {
+
−    result = _stream->Read(data, sizeToRead, &realProcessedSize);
+
−    _pos += realProcessedSize;
+
−    if (realProcessedSize == 0)
+
−      _wasFinished = true;
+
−  }
+
−  if(processedSize != NULL)
+
−    *processedSize = realProcessedSize;
+
−  return result;
+
−}
+
−