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	/* 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	}