Function get_route_set

modules/tm/dlg.c:293–336

* Create a copy of route set either in normal or reverse order */

 * Create a copy of route set either in normal or reverse order
 */
static inline int get_route_set(struct sip_msg* _m, rr_t** _rs, unsigned char _order)
{
	struct hdr_field* ptr;
	rr_t* last, *p, *t;

	last = 0;
	*_rs = 0;

	ptr = _m->record_route;
	while(ptr) {
		if (ptr->type == HDR_RECORDROUTE_T) {
			if (parse_rr(ptr) < 0) {
				LM_ERR("failed to parse Record-Route body\n");
				goto error;
			}

			p = (rr_t*)ptr->parsed;
			while(p) {
				if (shm_duplicate_rr(&t, p, 1/*only first*/) < 0) {
					LM_ERR("duplicating rr_t\n");
					goto error;
				}
				if (_order == NORMAL_ORDER) {
					if (!*_rs) *_rs = t;
					if (last) last->next = t;
					last = t;
				} else {
					t->next = *_rs;
					*_rs = t;
				}

				p = p->next;
			}

		}
		ptr = ptr->next;
	}

	return 0;

 error:
        shm_free_rr(_rs);
	return -1;
}


/*