Function pv_get_route

pvar.c:279–399

}

static int pv_get_route(struct sip_msg *msg, pv_param_t *param,
		pv_value_t *res)
{
	static str rn_buf;

	str s;
	int i, idx, idx_flags, len, rlen, has_name, route_stack_size_ctx;

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

	if (idx_flags == PV_IDX_ALL) {
		get_top_route_type(&s, &has_name);
		if (!has_name)
			goto unnamed_route;

		len = strlen(route_stack[route_stack_start]);
		if (pkg_str_extend(&rn_buf, s.len + 2 + len + 1) != 0) {
			LM_ERR("oom\n");
			return pv_get_null(msg, param, res);
		}

		len = sprintf(rn_buf.s, "%.*s[%s]", s.len, s.s, route_stack[route_stack_start]);
		goto print_remaining;

	unnamed_route:
		if (pkg_str_extend(&rn_buf, s.len + 1) != 0) {
			LM_ERR("oom\n");
			return pv_get_null(msg, param, res);
		}

		len = sprintf(rn_buf.s, "%.*s", s.len, s.s);

	print_remaining:
		s = str_route;

		for (i = route_stack_start+1; i < route_stack_size; i++) {
			if (!route_stack[i]) {
				if (pkg_str_extend(&rn_buf, len + 3 + s.len + 1) != 0) {
					LM_ERR("oom\n");
					return pv_get_null(msg, param, res);
				}

				len += sprintf(rn_buf.s + len, " > %.*s", s.len, s.s);
			} else if (route_stack[i][0] != '!') {
				rlen = strlen(route_stack[i]);

				if (pkg_str_extend(&rn_buf, len + s.len + 5 + rlen + 1) != 0) {
					LM_ERR("oom\n");
					return pv_get_null(msg, param, res);
				}

				len += sprintf(rn_buf.s + len, " > %.*s[%s]",
									s.len, s.s, route_stack[i]);
			} else {
				rlen = strlen(route_stack[i]);