34 lines
791 B
C
34 lines
791 B
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 "libbb.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) MAIN_EXTERNALLY_VISIBLE;
|
|
int chvt_main(int argc, char **argv)
|
|
{
|
|
int fd, num;
|
|
|
|
if (argc != 2) {
|
|
bb_show_usage();
|
|
}
|
|
|
|
fd = get_console_fd();
|
|
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);
|
|
return EXIT_SUCCESS;
|
|
}
|