Annotation of /trunk/mkinitrd-magellan/busybox/console-tools/setconsole.c
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Revision 532 -
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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 | niro | 532 | /* 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 | } |