/* 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("/dev/console"); 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; }