1/* vi: set sw=4 ts=4: */
2/*
3 * chvt.c - aeb - 940227 - Change virtual terminal
4 *
5 * busyboxed by Erik Andersen
6 */
7
8/* getopt not needed */
9
10#include <stdio.h>
11#include <stdlib.h>
12#include <fcntl.h>
13#include <sys/types.h>
14#include <sys/ioctl.h>
15#include "busybox.h"
16
17/* From <linux/vt.h> */
18static const int VT_ACTIVATE = 0x5606;  /* make vt active */
19static const int VT_WAITACTIVE = 0x5607;  /* wait for vt active */
20
21int chvt_main(int argc, char **argv)
22{
23	int fd, num;
24
25	if ((argc != 2) || (**(argv + 1) == '-'))
26		show_usage();
27	fd = get_console_fd("/dev/console");
28	num = atoi(argv[1]);
29	if (ioctl(fd, VT_ACTIVATE, num))
30		perror_msg_and_die("VT_ACTIVATE");
31	if (ioctl(fd, VT_WAITACTIVE, num))
32		perror_msg_and_die("VT_WAITACTIVE");
33	return EXIT_SUCCESS;
34}
35
36
37/*
38Local Variables:
39c-file-style: "linux"
40c-basic-offset: 4
41tab-width: 4
42End:
43*/
44