*
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
*
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
+//usage:#define chvt_trivial_usage
+//usage: "N"
+//usage:#define chvt_full_usage "\n\n"
+//usage: "Change the foreground virtual terminal to /dev/ttyN"
+
#include "libbb.h"
int chvt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int chvt_main(int argc, char **argv)
+int chvt_main(int argc UNUSED_PARAM, char **argv)
{
- int num;
-
- if (argc != 2) {
- bb_show_usage();
- }
-
- num = xatou_range(argv[1], 1, 63);
- /* double cast suppresses "cast to ptr from int of different size" */
- console_make_active(get_console_fd(), num);
+ int num = xatou_range(single_argv(argv), 1, 63);
+ console_make_active(get_console_fd_or_die(), num);
return EXIT_SUCCESS;
}