/*  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>intosip_record_route_init (osip_record_route_t ** record_route){  return osip_from_init ((osip_from_t **) record_route);}/* adds the record_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_record_route (osip_message_t * sip, const char *hvalue){  osip_record_route_t *record_route;  int i;  if (hvalue==NULL || hvalue[0]=='\0')    return 0;  i = osip_record_route_init (&record_route);  if (i != 0)    return -1;  i = osip_record_route_parse (record_route, hvalue);  if (i != 0)    {      osip_record_route_free (record_route);      return -1;    }#ifdef USE_TMP_BUFFER  sip->message_property = 2;#endif  osip_list_add (sip->record_routes, record_route, -1);  return 0;}/* returns the record_route header.    *//* INPUT : osip_message_t *sip | sip message.   *//* returns null on error. */intosip_message_get_record_route (const osip_message_t * sip, int pos, osip_record_route_t ** dest){  osip_record_route_t *record_route;  *dest = NULL;  if (osip_list_size (sip->record_routes) <= pos)    return -1;			/* does not exist */  record_route = (osip_record_route_t *) osip_list_get (sip->record_routes, pos);  *dest = record_route;  return pos;}intosip_record_route_parse (osip_record_route_t * record_route, const char *hvalue){  return osip_from_parse ((osip_from_t *) record_route, hvalue);}/* returns the record_route header as a string.          *//* INPUT : osip_record_route_t *record_route | record_route header.  *//* returns -1 on error. */intosip_record_route_to_str (const osip_record_route_t * record_route, char **dest){  char *url;  char *buf;  int i;  int len;  *dest = NULL;  if ((record_route == NULL) || (record_route->url == NULL))    return -1;  i = osip_uri_to_str (record_route->url, &url);  if (i != 0)    return -1;  if (record_route->displayname == NULL)    len = strlen (url) + 5;  else    len = strlen (url) + strlen (record_route->displayname) + 5;  buf = (char *) osip_malloc (len);  if (buf == NULL)    {      osip_free (url);      return -1;    }  /* route and record-route always use brackets */  if (record_route->displayname != NULL)    sprintf (buf, "%s <%s>", record_route->displayname, url);  else    sprintf (buf, "<%s>", url);  osip_free (url);  {    int pos = 0;    osip_generic_param_t *u_param;    int plen;    char *tmp;    while (!osip_list_eol (record_route->gen_params, pos))      {	u_param =	  (osip_generic_param_t *) osip_list_get (record_route->gen_params, pos);	if (u_param->gvalue == NULL)	  plen = strlen (u_param->gname) + 2;	else	  plen = strlen (u_param->gname) + strlen (u_param->gvalue) + 3;	len = len + plen;	buf = (char *) realloc (buf, len);	tmp = buf;	tmp = tmp + strlen (tmp);	if (u_param->gvalue == NULL)	  sprintf (tmp, ";%s", u_param->gname);	else	  sprintf (tmp, ";%s=%s", u_param->gname, u_param->gvalue);	pos++;      }  }  *dest = buf;  return 0;}/* deallocates a osip_record_route_t structure.  *//* INPUT : osip_record_route_t *record_route | record_route header. */voidosip_record_route_free (osip_record_route_t * record_route){  osip_from_free ((osip_from_t *) record_route);}