along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <stdlib.h>
+#include <string.h>
+
char *bus_label_escape(const char *s);
-char *bus_label_unescape(const char *f);
+char *bus_label_unescape_n(const char *f, size_t l);
+
+static inline char *bus_label_unescape(const char *f) {
+ return bus_label_unescape_n(f, f ? strlen(f) : 0);
+}