office-gobmx/starmath/source/eqnolefilehdr.cxx
Mike Kaganski 1ac5353bbb Use weak reference to SfxObjectShell in SfxEventHint to avoid use-after-free
The events may be processed after the shell has been destroyed. This is
happening reliably after commit e2bfc34d14
(Reimplement OleComponentNative_Impl to use IGlobalInterfaceTable,
2024-03-11) when controlling LibreOffice from external Java scripts; but
obviously, it could happen before as well.

Now SotObject inherits from cppu::OWeakObject, instead of SvRefBase.

Change-Id: I73a3531499a3068c801c98f40de39bdf8ad90b2b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/164458
Tested-by: Mike Kaganski <mike.kaganski@collabora.com>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
2024-03-11 04:43:28 +01:00

53 lines
1.6 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "eqnolefilehdr.hxx"
#include <sot/storage.hxx>
bool GetMathTypeVersion( SotStorage* pStor, sal_uInt8 &nVersion )
{
sal_uInt8 nVer = 0;
bool bSuccess = false;
// code snippet copied from MathType::Parse
rtl::Reference<SotStorageStream> xSrc = pStor->OpenSotStream(
"Equation Native",
StreamMode::STD_READ);
if ( (!xSrc.is()) || (ERRCODE_NONE != xSrc->GetError()))
return bSuccess;
SotStorageStream *pS = xSrc.get();
pS->SetEndian( SvStreamEndian::LITTLE );
EQNOLEFILEHDR aHdr;
aHdr.Read(pS);
pS->ReadUChar( nVer );
if (!pS->GetError())
{
nVersion = nVer;
bSuccess = true;
}
return bSuccess;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */