/*  The oSIP library implements the Session Initiation Protocol (SIP -rfc3261-)  Copyright (C) 2001,2002,2003  Aymeric MOIZARD jack@atosc.org    This library is free software; you can redistribute it and/or  modify it under the terms of the GNU Lesser General Public  License as published by the Free Software Foundation; either  version 2.1 of the License, or (at your option) any later version.    This library 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  Lesser General Public License for more details.    You should have received a copy of the GNU Lesser General Public  License along with this library; if not, write to the Free Software  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA*/#include <stdlib.h>#include <stdio.h>#include <osipparser2/osip_port.h>#include <osipparser2/osip_message.h>#ifdef __VXWORKS_OS__intosip_route_init2 (osip_route_t ** route)#elseintosip_route_init (osip_route_t ** route)#endif{  return osip_from_init ((osip_from_t **) route);}/* adds the route header to message.         *//* INPUT : const char *hvalue | value of header.    *//* OUTPUT: osip_message_t *sip | structure to save results.  *//* returns -1 on error. */intosip_message_set_route (osip_message_t * sip, const char *hvalue){  osip_route_t *route;  int i;  if (hvalue==NULL || hvalue[0]=='\0')    return 0;#ifdef __VXWORKS_OS__  i = osip_route_init2 (&route);#else  i = osip_route_init (&route);#endif  if (i != 0)    return -1;  i = osip_route_parse (route, hvalue);  if (i != 0)    {      osip_route_free (route);      return -1;    }#ifdef USE_TMP_BUFFER  sip->message_property = 2;#endif  osip_list_add (sip->routes, route, -1);  return 0;}/* returns the route header.    *//* INPUT : osip_message_t *sip | sip message.   *//* returns null on error. */intosip_message_get_route (const osip_message_t * sip, int pos, osip_route_t ** dest){  osip_route_t *route;  *dest = NULL;  if (osip_list_size (sip->routes) <= pos)    return -1;			/* does not exist */  route = (osip_route_t *) osip_list_get (sip->routes, pos);  *dest = route;  return pos;}intosip_route_parse (osip_route_t * route, const char *hvalue){  return osip_from_parse ((osip_from_t *) route, hvalue);}/* returns the route header as a string.          *//* INPUT : osip_route_t *route | route header.  *//* returns null on error. */intosip_route_to_str (const osip_route_t * route, char **dest){  /* we can't use osip_from_to_str(): route and record_route */  /* always use brackets. */  return osip_record_route_to_str ((osip_record_route_t *) route, dest);}/* deallocates a osip_route_t structure.  *//* INPUT : osip_route_t *route | route header. */voidosip_route_free (osip_route_t * route){  osip_from_free ((osip_from_t *) route);}