Function main

src/pr.c:856–1152

}

int
main (int argc, char **argv)
{
  unsigned int n_files;
  bool old_options = false;
  bool old_w = false;
  bool old_s = false;
  char **file_names;

  /* Accumulate the digits of old-style options like -99.  */
  char *column_count_string = NULL;
  idx_t n_digits = 0;
  idx_t n_alloc = 0;

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

  atexit (close_stdout);

  n_files = 0;
  file_names = (argc > 1
                ? xnmalloc (argc - 1, sizeof (char *))
                : NULL);

  while (true)
    {
      int oi = -1;
      int c = getopt_long (argc, argv, short_options, long_options, &oi);
      if (c == -1)
        break;

      if (c_isdigit (c))
        {
          /* Accumulate column-count digits specified via old-style options. */
          if (n_digits + 1 >= n_alloc)
            column_count_string = xpalloc (column_count_string, &n_alloc, 2, -1,
                                           sizeof *column_count_string);
          column_count_string[n_digits++] = c;
          column_count_string[n_digits] = '\0';
          continue;
        }

      n_digits = 0;

      switch (c)
        {
        case 1:			/* Non-option argument. */
          /* long option --page dominates old '+FIRST_PAGE ...'.  */
          if (! (first_page_number == 0
                 && *optarg == '+' && first_last_page (-2, '+', optarg + 1)))
            file_names[n_files++] = optarg;
          break;

        case PAGES_OPTION:	/* --pages=FIRST_PAGE[:LAST_PAGE] */
          {			/* dominates old opt +... */