main: uid_to_name() might theoretically fail, handle that

2017-11-17 11:28:17 +01:00
parent 1e41242e11
commit a68aef7a95
1 changed files with 2 additions and 2 deletions
@@ -1892,8 +1892,8 @@ int main(int argc, char *argv[]) {
                _cleanup_free_ char *t;

                t = uid_to_name(getuid());
-                log_debug(PACKAGE_STRING " running in %suser mode for user "UID_FMT"/%s. (" SYSTEMD_FEATURES ")",
-                          arg_action == ACTION_TEST ? " test" : "", getuid(), t);
+                log_debug(PACKAGE_STRING " running in %suser mode for user " UID_FMT "/%s. (" SYSTEMD_FEATURES ")",
+                          arg_action == ACTION_TEST ? " test" : "", getuid(), strna(t));
        }

        if (arg_action == ACTION_RUN) {