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 tarball for details. 8 */ 9 10#include "libbb.h" 11 12/* From <linux/vt.h> */ 13enum { 14 VT_ACTIVATE = 0x5606, /* make vt active */ 15 VT_WAITACTIVE = 0x5607 /* wait for vt active */ 16}; 17 18int chvt_main(int argc, char **argv); 19int chvt_main(int argc, char **argv) 20{ 21 int fd, num; 22 23 if (argc != 2) { 24 bb_show_usage(); 25 } 26 27 fd = get_console_fd(); 28 num = xatou_range(argv[1], 1, 63); 29 /* double cast suppresses "cast to ptr from int of different size */ 30 xioctl(fd, VT_ACTIVATE, (void *)(ptrdiff_t)num); 31 xioctl(fd, VT_WAITACTIVE, (void *)(ptrdiff_t)num); 32 return EXIT_SUCCESS; 33} 34