blob: b312fa76e5b701e50c0f0601a9c05188e1bbfc5e [file] [log] [blame]
/* 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 tarball for details.
*/
#include "libbb.h"
int setlogcons_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int setlogcons_main(int argc ATTRIBUTE_UNUSED, char **argv)
{
struct {
char fn;
char subarg;
} arg;
arg.fn = 11; /* redirect kernel messages */
arg.subarg = 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 0;
}