Function pv_get_tm_branch_avp

modules/tm/tm.c:2095–2236

int pv_get_tm_branch_avp(struct sip_msg *msg, pv_param_t *param,
		pv_value_t *val)
{
	int avp_name;
	int_str avp_value;
	unsigned short name_type;
	int idx, idxf, res=0;
	struct usr_avp **old_list=NULL;
	struct usr_avp **avp_list=NULL;
	struct usr_avp *avp;
	int_str avp_value0;
	struct usr_avp *avp0;
	int n=0;
	char *p;

	if (!msg || !val)
		goto error;

	avp_list = pv_get_bavp_list();
	if (!avp_list) {
		pv_get_null(msg, param, val);
		goto success;
	}

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

	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 ((avp=search_first_avp(name_type, avp_name, &avp_value, 0))==0) {
		pv_get_null(msg, param, val);
		goto success;
	}
	val->flags = PV_VAL_STR;
	if ( (idxf==0 || idxf==PV_IDX_INT) && idx==0) {
		if(avp->flags & AVP_VAL_STR) {
			val->rs = avp_value.s;
		} else {
			val->rs.s = sint2str(avp_value.n, &val->rs.len);
			val->ri = avp_value.n;