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[821] | 1 | /* vi: set sw=4 ts=4: */
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| 2 | /*
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| 3 | * setkeycodes
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| 4 | *
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| 5 | * Copyright (C) 1994-1998 Andries E. Brouwer <aeb@cwi.nl>
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| 6 | *
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| 7 | * Adjusted for BusyBox by Erik Andersen <andersen@codepoet.org>
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| 8 | *
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[1765] | 9 | * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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[821] | 10 | */
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| 11 |
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[1765] | 12 | //#include <sys/ioctl.h>
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| 13 | #include "libbb.h"
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[821] | 14 |
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| 15 | /* From <linux/kd.h> */
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| 16 | struct kbkeycode {
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| 17 | unsigned int scancode, keycode;
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| 18 | };
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| 19 | enum {
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| 20 | KDSETKEYCODE = 0x4B4D /* write kernel keycode table entry */
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| 21 | };
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| 22 |
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[1765] | 23 | int setkeycodes_main(int argc, char** argv);
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| 24 | int setkeycodes_main(int argc, char** argv)
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[821] | 25 | {
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[1765] | 26 | int fd, sc;
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| 27 | struct kbkeycode a;
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[821] | 28 |
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[1765] | 29 | if (argc % 2 != 1 || argc < 2) {
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| 30 | bb_show_usage();
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[821] | 31 | }
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| 32 |
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| 33 | fd = get_console_fd();
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| 34 |
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[1765] | 35 | while (argc > 2) {
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| 36 | a.keycode = xatoul_range(argv[2], 0, 127);
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| 37 | a.scancode = sc = xstrtoul_range(argv[1], 16, 0, 255);
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| 38 | if (a.scancode > 127) {
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| 39 | a.scancode -= 0xe000;
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| 40 | a.scancode += 128;
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| 41 | }
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| 42 | ioctl_or_perror_and_die(fd, KDSETKEYCODE, &a,
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| 43 | "failed to set SCANCODE %x to KEYCODE %d",
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| 44 | sc, a.keycode);
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| 45 | argc -= 2;
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| 46 | argv += 2;
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[821] | 47 | }
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| 48 | return EXIT_SUCCESS;
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| 49 | }
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