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/* -*- 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 <filter/msfilter/dffrecordheader.hxx>
bool ReadDffRecordHeader(SvStream& rIn, DffRecordHeader& rRec)
{
rRec.nFilePos = rIn.Tell();
sal_uInt16 nTmp(0);
rIn.ReadUInt16(nTmp);
rRec.nImpVerInst = nTmp;
rRec.nRecVer = sal::static_int_cast<sal_uInt8>(nTmp & 0x000F);
rRec.nRecInstance = nTmp >> 4;
rIn.ReadUInt16(rRec.nRecType);
rIn.ReadUInt32(rRec.nRecLen);
// preserving overflow, optimally we would check
// the record size against the parent header
if (rRec.nRecLen > (SAL_MAX_UINT32 - rRec.nFilePos))
rIn.SetError(SVSTREAM_FILEFORMAT_ERROR);
return rIn.good();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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