2000-02-08 19:58:47 +00:00
|
|
|
/* vi: set sw=4 ts=4: */
|
1999-10-25 23:32:44 +00:00
|
|
|
/*
|
2003-10-22 10:30:53 +00:00
|
|
|
* Mini chvt implementation for busybox
|
1999-10-25 23:32:44 +00:00
|
|
|
*
|
2004-03-15 08:29:22 +00:00
|
|
|
* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
|
2003-10-22 10:30:53 +00:00
|
|
|
*
|
2006-05-19 19:29:19 +00:00
|
|
|
* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
|
1999-10-25 23:32:44 +00:00
|
|
|
*/
|
2001-03-09 23:59:51 +00:00
|
|
|
|
2007-05-26 19:00:18 +00:00
|
|
|
#include "libbb.h"
|
2000-07-08 18:55:24 +00:00
|
|
|
|
|
|
|
/* From <linux/vt.h> */
|
2006-03-10 19:22:06 +00:00
|
|
|
enum {
|
|
|
|
VT_ACTIVATE = 0x5606, /* make vt active */
|
|
|
|
VT_WAITACTIVE = 0x5607 /* wait for vt active */
|
|
|
|
};
|
2000-07-08 18:55:24 +00:00
|
|
|
|
2007-10-11 10:05:36 +00:00
|
|
|
int chvt_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
2000-02-08 19:58:47 +00:00
|
|
|
int chvt_main(int argc, char **argv)
|
1999-10-25 23:32:44 +00:00
|
|
|
{
|
2000-02-08 19:58:47 +00:00
|
|
|
int fd, num;
|
1999-10-25 23:32:44 +00:00
|
|
|
|
2004-01-14 07:34:37 +00:00
|
|
|
if (argc != 2) {
|
2003-03-19 09:13:01 +00:00
|
|
|
bb_show_usage();
|
2003-10-22 10:30:53 +00:00
|
|
|
}
|
|
|
|
|
2002-09-16 06:22:25 +00:00
|
|
|
fd = get_console_fd();
|
2007-08-23 10:52:52 +00:00
|
|
|
num = xatou_range(argv[1], 1, 63);
|
|
|
|
/* double cast suppresses "cast to ptr from int of different size */
|
|
|
|
xioctl(fd, VT_ACTIVATE, (void *)(ptrdiff_t)num);
|
|
|
|
xioctl(fd, VT_WAITACTIVE, (void *)(ptrdiff_t)num);
|
2000-12-01 02:55:13 +00:00
|
|
|
return EXIT_SUCCESS;
|
1999-10-25 23:32:44 +00:00
|
|
|
}
|