source: branches/3.2/mindi-busybox/console-tools/setlogcons.c @ 3232

Last change on this file since 3232 was 3232, checked in by bruno, 5 years ago
  • Update mindi-busybox to 1.21.1
File size: 902 bytes
Line 
1/* vi: set sw=4 ts=4: */
2/*
3 * setlogcons: Send kernel messages to the current console or to console N
4 *
5 * Copyright (C) 2006 by Jan Kiszka <jan.kiszka@web.de>
6 *
7 * Based on setlogcons (kbd-1.12) by Andries E. Brouwer
8 *
9 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
10 */
11
12//usage:#define setlogcons_trivial_usage
13//usage:       "N"
14//usage:#define setlogcons_full_usage "\n\n"
15//usage:       "Redirect the kernel output to console N (0 for current)"
16
17#include "libbb.h"
18
19int setlogcons_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
20int setlogcons_main(int argc UNUSED_PARAM, char **argv)
21{
22    struct {
23        char fn;
24        char subarg;
25    } arg = {
26        11, /* redirect kernel messages */
27        0   /* to specified console (current as default) */
28    };
29
30    if (argv[1])
31        arg.subarg = xatou_range(argv[1], 0, 63);
32
33    xioctl(xopen(VC_1, O_RDONLY), TIOCLINUX, &arg);
34
35    return EXIT_SUCCESS;
36}
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