From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../7zstub/src/CPP/7zip/Common/OffsetStream.cpp | 39 ++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 other-licenses/7zstub/src/CPP/7zip/Common/OffsetStream.cpp (limited to 'other-licenses/7zstub/src/CPP/7zip/Common/OffsetStream.cpp') 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); +} -- cgit v1.2.3