47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* setlogcons: Send kernel messages to the current console or to console N
|
|
*
|
|
* Copyright (C) 2006 by Jan Kiszka <jan.kiszka@web.de>
|
|
*
|
|
* Based on setlogcons (kbd-1.12) by Andries E. Brouwer
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
|
|
*/
|
|
//config:config SETLOGCONS
|
|
//config: bool "setlogcons"
|
|
//config: default y
|
|
//config: select PLATFORM_LINUX
|
|
//config: help
|
|
//config: This program redirects the output console of kernel messages.
|
|
|
|
//applet:IF_SETLOGCONS(APPLET(setlogcons, BB_DIR_USR_SBIN, BB_SUID_DROP))
|
|
|
|
//kbuild:lib-$(CONFIG_SETLOGCONS) += setlogcons.o
|
|
|
|
//usage:#define setlogcons_trivial_usage
|
|
//usage: "[N]"
|
|
//usage:#define setlogcons_full_usage "\n\n"
|
|
//usage: "Redirect the kernel output to console N. Default:0 (current console)"
|
|
|
|
#include "libbb.h"
|
|
|
|
int setlogcons_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
|
int setlogcons_main(int argc UNUSED_PARAM, char **argv)
|
|
{
|
|
struct {
|
|
char fn;
|
|
char subarg;
|
|
} arg = {
|
|
11, /* redirect kernel messages */
|
|
0 /* to specified console (current as default) */
|
|
};
|
|
|
|
if (argv[1])
|
|
arg.subarg = xatou_range(argv[1], 0, 63);
|
|
|
|
xioctl(xopen(VC_1, O_RDONLY), TIOCLINUX, &arg);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|