62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini chvt implementation for busybox
|
|
*
|
|
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
/* no options, no getopt */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <fcntl.h>
|
|
#include <sys/types.h>
|
|
#include <sys/ioctl.h>
|
|
#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 = bb_xgetlarg(argv[1], 10, 0, INT_MAX);
|
|
if((-1 == ioctl(fd, VT_ACTIVATE, num)) ||
|
|
(-1 == ioctl(fd, VT_WAITACTIVE, num))) {
|
|
bb_perror_msg_and_die("ioctl");
|
|
}
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
|
|
/*
|
|
Local Variables:
|
|
c-file-style: "linux"
|
|
c-basic-offset: 4
|
|
tab-width: 4
|
|
End:
|
|
*/
|