/**************************************************************
 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/



#include "precompiled_filter.hxx"
#include <filter/msfilter/dffrecordheader.hxx>

SvStream& operator>>( SvStream& rIn, DffRecordHeader& rRec )
{
	rRec.nFilePos = rIn.Tell();
	sal_uInt16 nTmp(0);
	rIn >> nTmp;
	rRec.nImpVerInst = nTmp;
	rRec.nRecVer = sal::static_int_cast< sal_uInt8 >(nTmp & 0x000F);
	rRec.nRecInstance = nTmp >> 4;
	rIn >> rRec.nRecType;
	rIn >> rRec.nRecLen;
	if ( rRec.nRecLen > ( SAL_MAX_UINT32 - rRec.nFilePos ) )	// preserving overflow, optimal would be to check
		rIn.SetError( SVSTREAM_FILEFORMAT_ERROR );				// the record size against the parent header
	return rIn;
}

/* vim: set noet sw=4 ts=4: */