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author | 2015-01-11 08:10:25 +0100 | |
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committer | 2015-01-11 08:10:25 +0100 | |
commit | 6a23c2f3b766cf4fc7028628f76b5ff9396383f0 (patch) | |
tree | a01e16637118ae0c80f337119898bdf18f081e24 /3rdparty/lzma/CPP/7zip/Common/OffsetStream.cpp | |
parent | 45ac9b351e0076c371de4c7453f59567b27b1cb6 (diff) |
Added full lzma sdk source (nw)
Diffstat (limited to '3rdparty/lzma/CPP/7zip/Common/OffsetStream.cpp')
-rw-r--r-- | 3rdparty/lzma/CPP/7zip/Common/OffsetStream.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/3rdparty/lzma/CPP/7zip/Common/OffsetStream.cpp b/3rdparty/lzma/CPP/7zip/Common/OffsetStream.cpp new file mode 100644 index 00000000000..c5e4e6da474 --- /dev/null +++ b/3rdparty/lzma/CPP/7zip/Common/OffsetStream.cpp @@ -0,0 +1,35 @@ +// OffsetStream.cpp + +#include "StdAfx.h" + +#include "Common/Defs.h" +#include "OffsetStream.h" + +HRESULT COffsetOutStream::Init(IOutStream *stream, UInt64 offset) +{ + _offset = offset; + _stream = stream; + return _stream->Seek(offset, STREAM_SEEK_SET, NULL); +} + +STDMETHODIMP COffsetOutStream::Write(const void *data, UInt32 size, UInt32 *processedSize) +{ + return _stream->Write(data, size, processedSize); +} + +STDMETHODIMP COffsetOutStream::Seek(Int64 offset, UInt32 seekOrigin, + UInt64 *newPosition) +{ + UInt64 absoluteNewPosition; + if (seekOrigin == STREAM_SEEK_SET) + offset += _offset; + HRESULT result = _stream->Seek(offset, seekOrigin, &absoluteNewPosition); + if (newPosition != NULL) + *newPosition = absoluteNewPosition - _offset; + return result; +} + +STDMETHODIMP COffsetOutStream::SetSize(UInt64 newSize) +{ + return _stream->SetSize(_offset + newSize); +} |