Exemple #1
0
void version_etc( FILE *stream, char *command_name, char *package, char *version, ... )
{
  va_list authors;
  __builtin_va_start( authors, version );
  version_etc_va( stream, command_name, package, version, authors );
  return;
}
void
parse_long_options (int argc,
                    char **argv,
                    const char *command_name,
                    const char *package,
                    const char *version,
                    void (*usage_func) (int),
                    /* const char *author1, ...*/ ...)
{
  int c;
  int saved_opterr;

  saved_opterr = opterr;

  /* Don't print an error message for unrecognized options.  */
  opterr = 0;

  if (argc == 2
      && (c = getopt_long (argc, argv, "+", long_options, NULL)) != -1)
    {
      switch (c)
        {
        case 'h':
          (*usage_func) (EXIT_SUCCESS);
          break;

        case 'v':
          {
            va_list authors;
            va_start (authors, usage_func);
            version_etc_va (stdout, command_name, package, version, authors);
            exit (0);
          }

        default:
          /* Don't process any other long-named options.  */
          break;
        }
    }

  /* Restore previous value.  */
  opterr = saved_opterr;

  /* Reset this to zero so that getopt internals get initialized from
     the probably-new parameters when/if getopt is called later.  */
  optind = 0;
}