source: branches/stable/mindi-busybox/console-tools/chvt.c @ 821

Last change on this file since 821 was 821, checked in by Bruno Cornec, 14 years ago

Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)

File size: 796 bytes
Line 
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 <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> */
18enum {
19    VT_ACTIVATE = 0x5606,   /* make vt active */
20    VT_WAITACTIVE = 0x5607  /* wait for vt active */
21};
22
23int chvt_main(int argc, char **argv)
24{
25    int fd, num;
26
27    if (argc != 2) {
28        bb_show_usage();
29    }
30
31    fd = get_console_fd();
32    num =  bb_xgetlarg(argv[1], 10, 0, INT_MAX);
33    if ((-1 == ioctl(fd, VT_ACTIVATE, num))
34    || (-1 == ioctl(fd, VT_WAITACTIVE, num))) {
35        bb_perror_msg_and_die("ioctl");
36    }
37    return EXIT_SUCCESS;
38}
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