Contents of /trunk/mkinitrd-magellan/busybox/console-tools/setconsole.c
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Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
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Sat Sep 1 22:45:15 2007 UTC (16 years, 8 months ago) by niro
File MIME type: text/plain
File size: 1020 byte(s)
-import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
| 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * setconsole.c - redirect system console output |
| 4 | * |
| 5 | * Copyright (C) 2004,2005 Enrik Berkhan <Enrik.Berkhan@inka.de> |
| 6 | * |
| 7 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
| 8 | */ |
| 9 | |
| 10 | #include "busybox.h" |
| 11 | |
| 12 | #if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS |
| 13 | static const struct option setconsole_long_options[] = { |
| 14 | { "reset", 0, NULL, 'r' }, |
| 15 | { 0, 0, 0, 0 } |
| 16 | }; |
| 17 | #endif |
| 18 | |
| 19 | #define OPT_SETCONS_RESET 1 |
| 20 | |
| 21 | int setconsole_main(int argc, char **argv) |
| 22 | { |
| 23 | unsigned long flags; |
| 24 | const char *device = CURRENT_TTY; |
| 25 | |
| 26 | #if ENABLE_FEATURE_SETCONSOLE_LONG_OPTIONS |
| 27 | applet_long_options = setconsole_long_options; |
| 28 | #endif |
| 29 | flags = getopt32(argc, argv, "r"); |
| 30 | |
| 31 | if (argc - optind > 1) |
| 32 | bb_show_usage(); |
| 33 | |
| 34 | if (argc - optind == 1) { |
| 35 | if (flags & OPT_SETCONS_RESET) |
| 36 | bb_show_usage(); |
| 37 | device = argv[optind]; |
| 38 | } else { |
| 39 | if (flags & OPT_SETCONS_RESET) |
| 40 | device = CONSOLE_DEV; |
| 41 | } |
| 42 | |
| 43 | if (-1 == ioctl(xopen(device, O_RDONLY), TIOCCONS)) { |
| 44 | bb_perror_msg_and_die("TIOCCONS"); |
| 45 | } |
| 46 | return EXIT_SUCCESS; |
| 47 | } |