+static char* arg_verb;
+
+static int parse_argv(int argc, char *argv[]) {
+ enum {
+ ARG_LOG_LEVEL = 0x100,
+ ARG_LOG_TARGET,
+ ARG_LOG_COLOR,
+ ARG_LOG_LOCATION,
+ };
+
+ static const struct option options[] = {
+ { "log-level", required_argument, NULL, ARG_LOG_LEVEL },
+ { "log-target", required_argument, NULL, ARG_LOG_TARGET },
+ { "log-color", optional_argument, NULL, ARG_LOG_COLOR },
+ { "log-location", optional_argument, NULL, ARG_LOG_LOCATION },
+ {}
+ };
+
+ int c, r;
+
+ assert(argc >= 1);
+ assert(argv);
+
+ opterr = 0;
+
+ while ((c = getopt_long(argc, argv, ":", options, NULL)) >= 0)
+ switch (c) {
+
+ case ARG_LOG_LEVEL:
+ r = log_set_max_level_from_string(optarg);
+ if (r < 0)
+ log_error("Failed to parse log level %s, ignoring.", optarg);
+
+ break;
+
+ case ARG_LOG_TARGET:
+ r = log_set_target_from_string(optarg);
+ if (r < 0)
+ log_error("Failed to parse log target %s, ignoring", optarg);
+
+ break;
+
+ case ARG_LOG_COLOR:
+
+ if (optarg) {
+ r = log_show_color_from_string(optarg);
+ if (r < 0)
+ log_error("Failed to parse log color setting %s, ignoring", optarg);
+ } else
+ log_show_color(true);
+
+ break;
+
+ case ARG_LOG_LOCATION:
+ if (optarg) {
+ r = log_show_location_from_string(optarg);
+ if (r < 0)
+ log_error("Failed to parse log location setting %s, ignoring", optarg);
+ } else
+ log_show_location(true);
+
+ break;
+
+ case '?':
+ log_error("Unknown option %s.", argv[optind-1]);
+ return -EINVAL;
+
+ case ':':
+ log_error("Missing argument to %s.", argv[optind-1]);
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option code.");
+ }
+
+ if (optind >= argc) {
+ log_error("Verb argument missing.");
+ return -EINVAL;
+ }
+
+ arg_verb = argv[optind];
+
+ if (optind + 1 < argc)
+ log_error("Excess arguments, ignoring");
+ return 0;
+}
+