Function pv_set_tm_branch_avp

modules/tm/tm.c:2238–2327

}

int pv_set_tm_branch_avp(struct sip_msg *msg, pv_param_t *param, int op,
		pv_value_t *val)
{
	int avp_name;
	int_str avp_val;
	int flags, res=0;
	unsigned short name_type;
	int idx, idxf;
	struct usr_avp **old_list=NULL;
	struct usr_avp **avp_list=NULL;

	if (!msg) {
		LM_ERR("bavp set but no msg found!\n");
		goto error;
	}

	if (!param) {
		LM_ERR("bad parameters\n");
		goto error;
	}

	avp_list = pv_get_bavp_list();
	if (!avp_list) {
		LM_DBG("cannot find the branch avp list!\n");
		return -2;
	}

	if (pv_get_avp_name(msg, param, &avp_name, &name_type)) {
		LM_ALERT("BUG in getting bavp name\n");
		goto error;
	}

	/* get the index */
	if(pv_get_spec_index(msg, param, &idx, &idxf)!=0) {
		LM_ERR("invalid index\n");
		goto error;
	}

	/* setting the avp head */
	old_list = set_avp_list(avp_list);
	if (!old_list) {
		LM_CRIT("no bavp head list found\n");
		goto error;
	}

	if(val == NULL) {
		if(op == COLONEQ_T || idxf == PV_IDX_ALL)
			destroy_avps(name_type, avp_name, 1);
		else {
			if(idx < 0) {
				LM_ERR("index with negative value\n");
				goto error;
			}
			destroy_index_avp(name_type, avp_name, idx);
		}
		/* restoring head */
		goto success;
	}