+#include "build.h"
+
+static int help(void) {
+
+ printf("%s [OPTIONS...]\n\n"
+ "Initialize /etc/machine-id from a random source.\n\n"
+ " -h --help Show this help\n"
+ " --version Show package version\n",
+ program_invocation_short_name);
+
+ return 0;
+}
+
+static int parse_argv(int argc, char *argv[]) {
+
+ enum {
+ ARG_VERSION = 0x100
+ };
+
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "version", no_argument, NULL, ARG_VERSION },
+ {}
+ };
+
+ int c;
+
+ assert(argc >= 0);
+ assert(argv);
+
+ while ((c = getopt_long(argc, argv, "hqcv", options, NULL)) >= 0) {
+
+ switch (c) {
+
+ case 'h':
+ return help();
+
+ case ARG_VERSION:
+ puts(PACKAGE_STRING);
+ puts(SYSTEMD_FEATURES);
+ return 0;
+
+ case '?':
+ return -EINVAL;
+
+ default:
+ assert_not_reached("Unhandled option");
+ }
+ }
+
+ if (optind < argc) {
+ help();
+ return -EINVAL;
+ }
+
+ return 1;
+}