* Copyright (C) 2003 by Tito Ragusa <farmatito@tiscali.it>
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
/* no options, no getopt */
-#include <stdlib.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/ioctl.h>
#include "busybox.h"
/* From <linux/vt.h> */
int num = 0;
switch (argc) {
- case 2:
- if ((num = bb_xgetlarg(argv[1], 10, 0, INT_MAX)) == 0) {
- bb_error_msg_and_die("0: illegal VT number");
- }
+ case 2:
+ num = xatoul_range(argv[1], 1, 63);
/* Fallthrough */
- case 1:
- break;
- default:
- bb_show_usage();
+ case 1:
+ break;
+ default:
+ bb_show_usage();
}
if (-1 == ioctl(get_console_fd(), VT_DISALLOCATE, num)) {