--- /dev/null
+// DummyOutStream.h
+
+#ifndef __DUMMYOUTSTREAM_H
+#define __DUMMYOUTSTREAM_H
+
+#include "../../IStream.h"
+#include "Common/MyCom.h"
+
+class CDummyOutStream:
+ public ISequentialOutStream,
+ public CMyUnknownImp
+{
+ CMyComPtr<ISequentialOutStream> _stream;
+ UInt64 _size;
+public:
+ void SetStream(ISequentialOutStream *outStream) { _stream = outStream; }
+ void Init() { _size = 0; }
+ MY_UNKNOWN_IMP
+ STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
+ UInt64 GetSize() const { return _size; }
+};
+
+#endif