Function main

src/chroot.c:218–433

}

int
main (int argc, char **argv)
{
  int c;

  /* Input user and groups spec.  */
  char *userspec = NULL;
  char const *username = NULL;
  char const *groups = NULL;
  bool skip_chdir = false;

  /* Parsed user and group IDs.  */
  uid_t uid = -1;
  gid_t gid = -1;
  GETGROUPS_T *out_gids = NULL;
  idx_t n_gids = 0;

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

  initialize_exit_failure (EXIT_CANCELED);
  atexit (close_stdout);

  while ((c = getopt_long (argc, argv, "+", long_opts, NULL)) != -1)
    {
      switch (c)
        {
        case USERSPEC:
          {
            userspec = optarg;
            /* Treat 'user:' just like 'user'
               as we lookup the primary group by default
               (and support doing so for UIDs as well as names.  */
            idx_t userlen = strlen (userspec);
            if (userlen && userspec[userlen - 1] == ':')
              userspec[userlen - 1] = '\0';
            break;
          }

        case GROUPS:
          groups = optarg;
          break;

        case SKIP_CHDIR:
          skip_chdir = true;
          break;

        case_GETOPT_HELP_CHAR;

        case_GETOPT_VERSION_CHAR (PROGRAM_NAME, AUTHORS);

        default:
          usage (EXIT_CANCELED);
        }
    }