Function set_path_vector

parser/msg_parser.c:1364–1393

* Make a private copy of the string and assign it to path_vec */

 * Make a private copy of the string and assign it to path_vec
 */
int set_path_vector(struct sip_msg *msg, str *path)
{
	if (!msg || !path) {
		LM_ERR("invalid parameter value\n");
		return -1;
	}

	/* strange/corrupt input: best to assume it's an empty URI */
	if (!path->s || path->len == 0) {
		pkg_free(msg->path_vec.s);
		memset(&msg->path_vec, 0, sizeof msg->path_vec);
		return 0;
	}

	if (msg->path_vec.s && (msg->path_vec.len >= path->len)) {
		memcpy(msg->path_vec.s, path->s, path->len);
		msg->path_vec.len = path->len;
	} else {
		msg->path_vec.s = pkg_realloc(msg->path_vec.s, path->len);
		if (!msg->path_vec.s) {
			LM_ERR("not enough pkg memory\n");
			return -1;
		}

		memcpy(msg->path_vec.s, path->s, path->len);
		msg->path_vec.len = path->len;
	}

	return 0;
}

void clear_path_vector(struct sip_msg *msg)
{