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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
| commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
| tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /other-licenses/7zstub/src/CPP/7zip/Common/OffsetStream.cpp | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip | |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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 0000000000..3b01c7f651 --- /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);
+}
|