Function main

src/id.c:144–328

}

int
main (int argc, char **argv)
{
  int optc;
  int selinux_enabled = (is_selinux_enabled () > 0);
  bool smack_enabled = is_smack_enabled ();

  initialize_main (&argc, &argv);
  set_program_name (argv[0]);
  setlocale (LC_ALL, "");
  bindtextdomain (PACKAGE, LOCALEDIR);
  textdomain (PACKAGE);

  atexit (close_stdout);

  while ((optc = getopt_long (argc, argv, "agnruzGZ", longopts, NULL)) != -1)
    {
      switch (optc)
        {
        case 'a':
          /* Ignore -a, for compatibility with SVR4.  */
          break;

        case 'Z':
          /* politely decline if we're not on a SELinux/SMACK-enabled kernel. */
#ifdef HAVE_SMACK
          if (!selinux_enabled && !smack_enabled)
            error (EXIT_FAILURE, 0,
                   _("--context (-Z) works only on "
                     "an SELinux/SMACK-enabled kernel"));
#else
          if (!selinux_enabled)
            error (EXIT_FAILURE, 0,
                   _("--context (-Z) works only on an SELinux-enabled kernel"));
#endif
          just_context = true;
          break;

        case 'g':
          just_group = true;
          break;
        case 'n':
          use_name = true;
          break;
        case 'r':
          use_real = true;
          break;
        case 'u':
          just_user = true;
          break;
        case 'z':
          opt_zero = true;
          break;
        case 'G':
          just_group_list = true;
          break;
        case_GETOPT_HELP_CHAR;
        case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);