73ef4ff3
 Hu Chunming
提交三方库
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/*
The oSIP library implements the Session Initiation Protocol (SIP -rfc3261-)
Copyright (C) 2001-2020 Aymeric MOIZARD amoizard@antisip.com
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 <osipparser2/internal.h>
#include <osipparser2/osip_port.h>
#include <osipparser2/osip_message.h>
#include <osipparser2/osip_parser.h>
#ifndef MINISIZE
/* adds the accept header to message. */
/* INPUT : char *hvalue | value of header. */
/* OUTPUT: osip_message_t *sip | structure to save results. */
/* returns -1 on error. */
int osip_message_set_accept(osip_message_t *sip, const char *hvalue) {
osip_accept_t *accept;
int i;
i = accept_init(&accept);
if (i != 0)
return i;
i = osip_accept_parse(accept, hvalue);
if (i != 0) {
osip_accept_free(accept);
return i;
}
sip->message_property = 2;
osip_list_add(&sip->accepts, accept, -1);
return OSIP_SUCCESS;
}
int osip_message_get_accept(const osip_message_t *sip, int pos, osip_accept_t **dest) {
osip_accept_t *accept;
*dest = NULL;
if (osip_list_size(&sip->accepts) <= pos)
return OSIP_UNDEFINED_ERROR; /* does not exist */
accept = (osip_accept_t *) osip_list_get(&sip->accepts, pos);
*dest = accept;
return pos;
}
/* returns the content_type header as a string. */
/* INPUT : osip_content_type_t *content_type | content_type header. */
/* returns null on error. */
int osip_accept_to_str(const osip_accept_t *accept, char **dest) {
char *buf;
char *tmp;
size_t len = 0;
*dest = NULL;
if (accept == NULL)
return OSIP_BADPARAMETER;
if (accept->type != NULL)
len += strlen(accept->type);
if (accept->subtype != NULL)
len += strlen(accept->subtype);
if (len == 0) {
/* Empty header ! */
buf = (char *) osip_malloc(2);
if (buf == NULL)
return OSIP_NOMEM;
buf[0] = ' ';
buf[1] = '\0';
*dest = buf;
return OSIP_SUCCESS;
}
/* try to guess a long enough length */
len += 4 /* for '/', ' ', ';' and '\0' */
+ 10 * osip_list_size(&accept->gen_params);
buf = (char *) osip_malloc(len);
if (buf == NULL)
return OSIP_NOMEM;
tmp = buf;
sprintf(tmp, "%s/%s", accept->type, accept->subtype);
tmp = tmp + strlen(tmp);
{
osip_list_iterator_t it;
osip_generic_param_t *u_param = (osip_generic_param_t *) osip_list_get_first(&accept->gen_params, &it);
while (u_param != OSIP_SUCCESS) {
size_t tmp_len;
if (u_param->gvalue == NULL) {
osip_free(buf);
return OSIP_SYNTAXERROR;
}
tmp_len = strlen(buf) + 4 + strlen(u_param->gname) + strlen(u_param->gvalue) + 1;
if (len < tmp_len) {
buf = osip_realloc(buf, tmp_len);
len = tmp_len;
tmp = buf + strlen(buf);
}
snprintf(tmp, len - (tmp - buf), "; %s=%s", u_param->gname, u_param->gvalue);
tmp = tmp + strlen(tmp);
u_param = (osip_generic_param_t *) osip_list_get_next(&it);
}
}
*dest = buf;
return OSIP_SUCCESS;
}
#endif
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