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/* vi: set sw=4 ts=4: */
/*
* setconsole.c - redirect system console output
*
* Copyright (C) 2004,2005 Enrik Berkhan <Enrik.Berkhan@inka.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <stdio.h>
#include <getopt.h>
#include "busybox.h"
static const struct option setconsole_long_options[] = {
{ "reset", 0, NULL, 'r' },
{ 0, 0, 0, 0 }
};
#define OPT_SETCONS_RESET 1
int setconsole_main(int argc, char **argv)
{
int con;
unsigned long flags;
const char *device = "/dev/tty";
bb_applet_long_options = setconsole_long_options;
flags = bb_getopt_ulflags(argc, argv, "r");
if (argc - optind > 1)
bb_show_usage();
if (argc - optind == 1) {
if (flags & OPT_SETCONS_RESET)
bb_show_usage();
device = argv[optind];
} else {
if (flags & OPT_SETCONS_RESET)
device = "/dev/console";
}
if (-1 == (con = open(device, O_RDONLY))) {
bb_perror_msg_and_die("open %s", device);
}
if (-1 == ioctl(con, TIOCCONS)) {
bb_perror_msg_and_die("ioctl TIOCCONS");
}
return EXIT_SUCCESS;
}
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/
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