// 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;

}