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/*
* $Id: utils.h,v 1.1.1.1 2005/06/13 16:47:40 bogdan_iancu Exp $
*
* Sdp mangler module
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of openser, a free SIP server.
*
* openser is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* openser is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* History:
* --------
* 2003-04-07 first version.
*/
#ifndef UTILS_H
#define UTILS_H
#include "../../parser/msg_parser.h" /* struct sip_msg */
/* replace a part of a sip message identified by (start address,length) with a new part
@param msg a pointer to a sip message
@param oldstr the start address of the part to be modified
@param oldlen the length of the part being modified
@param newstr the start address of the part to be added
@param oldlen the length of the part being added
@return 0 in case of success, negative on error
*/
int patch (struct sip_msg *msg, char *oldstr, unsigned int oldlen,
char *newstr, unsigned int newlen);
/*
modify the Content-Length header of a sip message
@param msg a pointer to a sip message
@param newValue the new value of Content-Length
@return 0 in case of success, negative on error
*/
int patch_content_length (struct sip_msg *msg, unsigned int newValue);
#endif
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