other-licenses/7zstub/src/CPP/7zip/Common/OffsetStream.h


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// OffsetStream.h

#ifndef __OFFSET_STREAM_H
#define __OFFSET_STREAM_H

#include "../../Common/MyCom.h"

#include "../IStream.h"

class COffsetOutStream:
  public IOutStream,
  public CMyUnknownImp
{
  UInt64 _offset;
  CMyComPtr<IOutStream> _stream;
public:
  HRESULT Init(IOutStream *stream, UInt64 offset);
  
  MY_UNKNOWN_IMP

  STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
  STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);
  STDMETHOD(SetSize)(UInt64 newSize);
};

#endif