Function pv_get_msg_branch_attr

pvar.c:2315–2371

}

static int pv_get_msg_branch_attr(struct sip_msg *msg,  pv_param_t *param,
															pv_value_t *res)
{
	int idx, idxf;
	int size, n, attr_name;
	unsigned short attr_flags;
	int_str val;

	if(msg==NULL || res==NULL || param==NULL)
		return -1;

	if (pv_get_avp_name(msg, param, &attr_name, &attr_flags)!=0) {
		LM_ALERT("BUG in getting dst AVP name\n");
		return -1;
	}

	/* get the index */
	if (pv_get_spec_index(msg, param, &idx, &idxf)!=0) {
		LM_ERR("invalid index\n");
		return -1;
	}

	if (idxf==PV_IDX_ALL) {
		/* ALL - not supported */
		LM_ERR("ALL index not supported for attrs\n");
		return -1;
	}

	size = get_dset_size() + 1 /* ruri branch*/;
	/* if no branch set, consider the last one */
	if (idxf==0 && idx==0)
		idx = size - 1;

	/* numerical index */
	if (idx<0) {
		/* index from the end */
		if (-idx > size)
			return -1;
		idx = size + idx;
	}

	n = get_msg_branch_attr( idx, attr_name, &attr_flags, &val);
	if ( n<0 || attr_flags&AVP_VAL_NULL)
		return pv_get_null(msg, param, res);

	res->flags = PV_VAL_STR;

	if (attr_flags & AVP_VAL_STR) {
		res->rs = val.s;
	} else {
		res->rs.s = sint2str(val.n, &res->rs.len);
		res->ri = val.n;
		res->flags |= PV_VAL_INT|PV_TYPE_INT;
	}

	return 0;
}