| /* 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) |
| { |
| unsigned long flags; |
| const char *device = CURRENT_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 = CONSOLE_DEV; |
| } |
| |
| if (-1 == ioctl(bb_xopen(device, O_RDONLY), TIOCCONS)) { |
| bb_perror_msg_and_die("TIOCCONS"); |
| } |
| return EXIT_SUCCESS; |
| } |
| |
| /* |
| Local Variables: |
| c-file-style: "linux" |
| c-basic-offset: 4 |
| tab-width: 4 |
| End: |
| */ |