diff --git a/console-tools/chvt.c b/console-tools/chvt.c index 11e1078b7..4da0d6399 100644 --- a/console-tools/chvt.c +++ b/console-tools/chvt.c @@ -1,11 +1,25 @@ /* vi: set sw=4 ts=4: */ /* - * chvt.c - aeb - 940227 - Change virtual terminal + * Mini chvt implementation for busybox * - * busyboxed by Erik Andersen + * Copyright (C) 1999-2003 by Erik Andersen + * + * 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 */ -/* getopt not needed */ +/* no options, no getopt */ #include #include @@ -22,14 +36,18 @@ int chvt_main(int argc, char **argv) { int fd, num; - if ((argc != 2) || (**(argv + 1) == '-')) + if ((argc != 2) || (**(argv + 1) == '-')) { bb_show_usage(); + } + fd = get_console_fd(); num = atoi(argv[1]); - if (ioctl(fd, VT_ACTIVATE, num)) + if (ioctl(fd, VT_ACTIVATE, num)) { bb_perror_msg_and_die("VT_ACTIVATE"); - if (ioctl(fd, VT_WAITACTIVE, num)) + } + if (ioctl(fd, VT_WAITACTIVE, num)) { bb_perror_msg_and_die("VT_WAITACTIVE"); + } return EXIT_SUCCESS; }