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- /* vi: set sw=4 ts=4: */
- /*
- * setkeycodes
- *
- * Copyright (C) 1994-1998 Andries E. Brouwer <aeb@cwi.nl>
- *
- * Adjusted for BusyBox by Erik Andersen <andersee@debian.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
- #include <stdio.h>
- #include <stdlib.h>
- #include <fcntl.h>
- #include <sys/ioctl.h>
- #include "busybox.h"
- /* From <linux/kd.h> */
- struct kbkeycode {
- unsigned int scancode, keycode;
- };
- static const int KDSETKEYCODE = 0x4B4D; /* write kernel keycode table entry */
- extern int
- setkeycodes_main(int argc, char** argv)
- {
- char *ep;
- int fd, sc;
- struct kbkeycode a;
- if (argc % 2 != 1 || argc < 2) {
- show_usage();
- }
-
- fd = get_console_fd();
- while (argc > 2) {
- a.keycode = atoi(argv[2]);
- a.scancode = sc = strtol(argv[1], &ep, 16);
- if (*ep) {
- error_msg_and_die("error reading SCANCODE: '%s'", argv[1]);
- }
- if (a.scancode > 127) {
- a.scancode -= 0xe000;
- a.scancode += 128;
- }
- if (a.scancode > 255 || a.keycode > 127) {
- error_msg_and_die("SCANCODE or KEYCODE outside bounds");
- }
- if (ioctl(fd,KDSETKEYCODE,&a)) {
- perror("KDSETKEYCODE");
- error_msg_and_die("failed to set SCANCODE %x to KEYCODE %d", sc, a.keycode);
- }
- argc -= 2;
- argv += 2;
- }
- return EXIT_SUCCESS;
- }
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