Contents of /trunk/mkinitrd-magellan/busybox/console-tools/setkeycodes.c
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Sat Sep 1 22:45:15 2007 UTC (17 years ago) by niro
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Sat Sep 1 22:45:15 2007 UTC (17 years ago) by niro
File MIME type: text/plain
File size: 1065 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 | * setkeycodes |
4 | * |
5 | * Copyright (C) 1994-1998 Andries E. Brouwer <aeb@cwi.nl> |
6 | * |
7 | * Adjusted for BusyBox by Erik Andersen <andersen@codepoet.org> |
8 | * |
9 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. |
10 | */ |
11 | |
12 | #include <stdio.h> |
13 | #include <stdlib.h> |
14 | #include <fcntl.h> |
15 | #include <sys/ioctl.h> |
16 | #include "busybox.h" |
17 | |
18 | |
19 | /* From <linux/kd.h> */ |
20 | struct kbkeycode { |
21 | unsigned int scancode, keycode; |
22 | }; |
23 | enum { |
24 | KDSETKEYCODE = 0x4B4D /* write kernel keycode table entry */ |
25 | }; |
26 | |
27 | extern int |
28 | setkeycodes_main(int argc, char** argv) |
29 | { |
30 | int fd, sc; |
31 | struct kbkeycode a; |
32 | |
33 | if (argc % 2 != 1 || argc < 2) { |
34 | bb_show_usage(); |
35 | } |
36 | |
37 | fd = get_console_fd(); |
38 | |
39 | while (argc > 2) { |
40 | a.keycode = xatoul_range(argv[2], 0, 127); |
41 | a.scancode = sc = xstrtoul_range(argv[1], 16, 0, 255); |
42 | if (a.scancode > 127) { |
43 | a.scancode -= 0xe000; |
44 | a.scancode += 128; |
45 | } |
46 | if (ioctl(fd, KDSETKEYCODE, &a)) { |
47 | bb_perror_msg_and_die("failed to set SCANCODE %x to KEYCODE %d", sc, a.keycode); |
48 | } |
49 | argc -= 2; |
50 | argv += 2; |
51 | } |
52 | return EXIT_SUCCESS; |
53 | } |