busybox/console-tools/chvt.c

/* vi: set sw=4 ts=4: */
/*
 * Mini chvt implementation for busybox
 *
 * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
 *
 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
 */

#include "busybox.h"

/* From <linux/vt.h> */
enum {
	VT_ACTIVATE = 0x5606,   /* make vt active */
	VT_WAITACTIVE = 0x5607  /* wait for vt active */
};

int chvt_main(int argc, char **argv)
{
	int fd, num;

	if (argc != 2) {
		bb_show_usage();
	}

	fd = get_console_fd();
	num = xatoul_range(argv[1], 1, 63);
	if ((-1 == ioctl(fd, VT_ACTIVATE, num))
	|| (-1 == ioctl(fd, VT_WAITACTIVE, num))) {
		bb_perror_msg_and_die("ioctl");
	}
	return EXIT_SUCCESS;
}
1	niro	532	/* 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 "busybox.h"
11
12			/* From <linux/vt.h> */
13			enum {
14			VT_ACTIVATE = 0x5606, /* make vt active */
15			VT_WAITACTIVE = 0x5607 /* wait for vt active */
16			};
17
18			int chvt_main(int argc, char **argv)
19			{
20			int fd, num;
21
22			if (argc != 2) {
23			bb_show_usage();
24			}
25
26			fd = get_console_fd();
27			num = xatoul_range(argv[1], 1, 63);
28			if ((-1 == ioctl(fd, VT_ACTIVATE, num))
29			\|\| (-1 == ioctl(fd, VT_WAITACTIVE, num))) {
30			bb_perror_msg_and_die("ioctl");
31			}
32			return EXIT_SUCCESS;
33			}