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

   1 // OffsetStream.h
   2
   3 #ifndef __OFFSETSTREAM_H
   4 #define __OFFSETSTREAM_H
   5
   6 #include "Common/MyCom.h"
   7 #include "../IStream.h"
   8
   9 class COffsetOutStream:
  10   public IOutStream,
  11   public CMyUnknownImp
  12 {
  13   UInt64 _offset;
  14   CMyComPtr<IOutStream> _stream;
  15 public:
  16   HRESULT Init(IOutStream *stream, UInt64 offset);
  17
  18   MY_UNKNOWN_IMP
  19
  20   STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
  21   STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);
  22   STDMETHOD(SetSize)(Int64 newSize);
  23 };
  24
  25 #endif