release/src/router/busybox/console-tools/chvt.c

   1 /* vi: set sw=4 ts=4: */
   2 /*
   3  * Mini chvt implementation for busybox
   4  *
   5  * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
   6  *
   7  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
   8  */
   9
  10 //usage:#define chvt_trivial_usage
  11 //usage:       "N"
  12 //usage:#define chvt_full_usage "\n\n"
  13 //usage:       "Change the foreground virtual terminal to /dev/ttyN"
  14
  15 #include "libbb.h"
  16
  17 int chvt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  18 int chvt_main(int argc UNUSED_PARAM, char **argv)
  19 {
  20         int num = xatou_range(single_argv(argv), 1, 63);
  21         console_make_active(get_console_fd_or_die(), num);
  22         return EXIT_SUCCESS;
  23 }