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| author | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-03-29 16:04:01 +0100 |
|---|---|---|
| committer | wolfbeast <mcwerewolf@wolfbeast.com> | 2019-03-29 16:04:01 +0100 |
| commit | 88083f8c683c18f4de68a20c863a82a9da65db8f (patch) | |
| tree | 926656892d9d80260da02ea8ea71031b140c51df /other-licenses/7zstub/src/CPP/7zip/Common/OffsetStream.cpp | |
| parent | f999f544aad04069b03704d994a99352263f600b (diff) | |
| parent | 843e4ceffd6ce21a6e6db37419335eafdc543e18 (diff) | |
| download | UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.gz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.lz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.tar.xz UXP-88083f8c683c18f4de68a20c863a82a9da65db8f.zip | |
Merge branch 'master' into Sync-weave
Diffstat (limited to 'other-licenses/7zstub/src/CPP/7zip/Common/OffsetStream.cpp')
| -rw-r--r-- | other-licenses/7zstub/src/CPP/7zip/Common/OffsetStream.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/CPP/7zip/Common/OffsetStream.cpp b/other-licenses/7zstub/src/CPP/7zip/Common/OffsetStream.cpp new file mode 100644 index 000000000..3b01c7f65 --- /dev/null +++ b/other-licenses/7zstub/src/CPP/7zip/Common/OffsetStream.cpp @@ -0,0 +1,39 @@ +// 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)
+ {
+ if (offset < 0)
+ return HRESULT_WIN32_ERROR_NEGATIVE_SEEK;
+ offset += _offset;
+ }
+ HRESULT result = _stream->Seek(offset, seekOrigin, &absoluteNewPosition);
+ if (newPosition)
+ *newPosition = absoluteNewPosition - _offset;
+ return result;
+}
+
+STDMETHODIMP COffsetOutStream::SetSize(UInt64 newSize)
+{
+ return _stream->SetSize(_offset + newSize);
+}
|