5 #include "Common/Defs.h"
6 #include "OffsetStream.h"
8 HRESULT COffsetOutStream::Init(IOutStream *stream, UInt64 offset)
12 return _stream->Seek(offset, STREAM_SEEK_SET, NULL);
15 STDMETHODIMP COffsetOutStream::Write(const void *data, UInt32 size, UInt32 *processedSize)
17 return _stream->Write(data, size, processedSize);
20 STDMETHODIMP COffsetOutStream::Seek(Int64 offset, UInt32 seekOrigin,
23 UInt64 absoluteNewPosition;
24 if (seekOrigin == STREAM_SEEK_SET)
26 HRESULT result = _stream->Seek(offset, seekOrigin, &absoluteNewPosition);
27 if (newPosition != NULL)
28 *newPosition = absoluteNewPosition - _offset;
32 STDMETHODIMP COffsetOutStream::SetSize(Int64 newSize)
34 return _stream->SetSize(_offset + newSize);