source: branches/3.0/mindi-busybox/console-tools/setkeycodes.c @ 3085

Last change on this file since 3085 was 2725, checked in by bruno, 9 years ago
  • Update mindi-busybox to 1.18.3 to avoid problems with the tar command which is now failing on recent versions with busybox 1.7.3
File size: 1010 bytes
Line 
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 source tree.
10 */
11#include "libbb.h"
12
13/* From <linux/kd.h> */
14struct kbkeycode {
15    unsigned scancode, keycode;
16};
17enum {
18    KDSETKEYCODE = 0x4B4D  /* write kernel keycode table entry */
19};
20
21int setkeycodes_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
22int setkeycodes_main(int argc, char **argv)
23{
24    int fd;
25    struct kbkeycode a;
26
27    if (!(argc & 1) /* if even */ || argc < 2) {
28        bb_show_usage();
29    }
30
31    fd = get_console_fd_or_die();
32
33    while (argv[1]) {
34        int sc = xstrtoul_range(argv[1], 16, 0, 0xe07f);
35        if (sc >= 0xe000) {
36            sc -= 0xe000;
37            sc += 0x0080;
38        }
39        a.scancode = sc;
40        a.keycode = xatou_range(argv[2], 0, 255);
41        ioctl_or_perror_and_die(fd, KDSETKEYCODE, &a,
42            "can't set SCANCODE %x to KEYCODE %d",
43            sc, a.keycode);
44        argv += 2;
45    }
46    return EXIT_SUCCESS;
47}
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