+ if (assign) {
+ while (1) {
+ enum { GETOPT_VAL_RESCAN = 256, GETOPT_VAL_NO_RESCAN };
+ static const struct option long_options[] = {
+ { "rescan", no_argument, NULL,
+ GETOPT_VAL_RESCAN },
+ { "no-rescan", no_argument, NULL,
+ GETOPT_VAL_NO_RESCAN },
+ { NULL, 0, NULL, 0 }
+ };
+ int c = getopt_long(argc, argv, "", long_options, NULL);
+
+ if (c < 0)
+ break;
+ switch (c) {
+ case GETOPT_VAL_RESCAN:
+ rescan = 1;
+ break;
+ case GETOPT_VAL_NO_RESCAN:
+ rescan = 0;
+ break;
+ default:
+ /* Usage printed by the caller */
+ return -1;
+ }
+ }
+ } else {
+ clean_args_no_options(argc, argv, usage_str);
+ }
+
+ if (check_argc_exact(argc - optind, 3))
+ usage(usage_str);