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authorRob Landley <rob@landley.net>2006-03-27 23:23:43 +0000
committerRob Landley <rob@landley.net>2006-03-27 23:23:43 +0000
commit87848d91c7b3dba9379237ba0bad31239f16e07a (patch)
tree365577855e659e5c9e254cc93eb9073a43a518e9 /console-tools/setlogcons.c
parent28ff9668d93978c6bd7de72419bbd55bb1a092f5 (diff)
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setlogcons, from Jan Kaszka.
Diffstat (limited to 'console-tools/setlogcons.c')
-rw-r--r--console-tools/setlogcons.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/console-tools/setlogcons.c b/console-tools/setlogcons.c
new file mode 100644
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--- /dev/null
+++ b/console-tools/setlogcons.c
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1/*
2 * setlogcons: Send kernel messages to the current console or to console N
3 *
4 * Copyright (C) 2006 by Jan Kiszka <jan.kiszka@web.de>
5 *
6 * Based on setlogcons (kbd-1.12) by Andries E. Brouwer
7 *
8 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
9 */
10
11#include <stdio.h>
12#include <stdlib.h>
13#include <fcntl.h>
14#include <sys/ioctl.h>
15#include "busybox.h"
16
17extern int setlogcons_main(int argc, char **argv)
18{
19 struct {
20 char fn;
21 char subarg;
22 } arg;
23
24 arg.fn = 11; /* redirect kernel messages */
25 arg.subarg = 0; /* to specified console (current as default) */
26
27 if (argc == 2)
28 arg.subarg = atoi(argv[1]);
29
30 if (ioctl(bb_xopen("/dev/tty1", O_RDONLY), TIOCLINUX, &arg))
31 bb_perror_msg_and_die("TIOCLINUX");;
32
33 return 0;
34}