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2e068e725c
function old new delta setkeycodes_main 143 130 -13 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
48 lines
1018 B
C
48 lines
1018 B
C
/* vi: set sw=4 ts=4: */
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/*
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* setkeycodes
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*
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* Copyright (C) 1994-1998 Andries E. Brouwer <aeb@cwi.nl>
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*
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* Adjusted for BusyBox by Erik Andersen <andersen@codepoet.org>
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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/* From <linux/kd.h> */
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struct kbkeycode {
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unsigned scancode, keycode;
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};
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enum {
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KDSETKEYCODE = 0x4B4D /* write kernel keycode table entry */
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};
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int setkeycodes_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int setkeycodes_main(int argc, char **argv)
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{
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int fd;
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struct kbkeycode a;
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if (!(argc & 1) /* if even */ || argc < 2) {
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bb_show_usage();
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}
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fd = get_console_fd_or_die();
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while (argv[1]) {
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int sc = xstrtoul_range(argv[1], 16, 0, 0xe07f);
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if (sc >= 0xe000) {
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sc -= 0xe000;
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sc += 0x0080;
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}
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a.scancode = sc;
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a.keycode = xatou_range(argv[2], 0, 255);
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ioctl_or_perror_and_die(fd, KDSETKEYCODE, &a,
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"can't set SCANCODE %x to KEYCODE %d",
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sc, a.keycode);
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argv += 2;
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}
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return EXIT_SUCCESS;
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}
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