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 //config:config CHVT
  10 //config:       bool "chvt (2.2 kb)"
  11 //config:       default y
  12 //config:       help
  13 //config:       This program is used to change to another terminal.
  14 //config:       Example: chvt 4 (change to terminal /dev/tty4)
  15
  16 //applet:IF_CHVT(APPLET_NOEXEC(chvt, chvt, BB_DIR_USR_BIN, BB_SUID_DROP, chvt))
  17
  18 //kbuild:lib-$(CONFIG_CHVT) += chvt.o
  19
  20 //usage:#define chvt_trivial_usage
  21 //usage:       "N"
  22 //usage:#define chvt_full_usage "\n\n"
  23 //usage:       "Change the foreground virtual terminal to /dev/ttyN"
  24
  25 #include "libbb.h"
  26
  27 int chvt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  28 int chvt_main(int argc UNUSED_PARAM, char **argv)
  29 {
  30         int num = xatou_range(single_argv(argv), 1, 63);
  31         console_make_active(get_console_fd_or_die(), num);
  32         return EXIT_SUCCESS;
  33 }