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 "libbb.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 | int chvt_main(int argc, char **argv)
|
---|
20 | {
|
---|
21 | int fd, num;
|
---|
22 |
|
---|
23 | if (argc != 2) {
|
---|
24 | bb_show_usage();
|
---|
25 | }
|
---|
26 |
|
---|
27 | fd = get_console_fd();
|
---|
28 | num = xatou_range(argv[1], 1, 63);
|
---|
29 | /* double cast suppresses "cast to ptr from int of different size */
|
---|
30 | xioctl(fd, VT_ACTIVATE, (void *)(ptrdiff_t)num);
|
---|
31 | xioctl(fd, VT_WAITACTIVE, (void *)(ptrdiff_t)num);
|
---|
32 | return EXIT_SUCCESS;
|
---|
33 | }
|
---|
Note:
See
TracBrowser
for help on using the repository browser.