1 /* vi: set sw=4 ts=4: */
3 * Mini dumpkmap implementation for busybox
5 * Copyright (C) Arne Bernin <arne@matrix.loopback.org>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #include <sys/ioctl.h>
32 /* From <linux/kd.h> */
34 unsigned char kb_table;
35 unsigned char kb_index;
36 unsigned short kb_value;
38 #define KDGKBENT 0x4B46 /* gets one entry in translation table */
40 /* From <linux/keyboard.h> */
42 #define MAX_NR_KEYMAPS 256
44 int dumpkmap_main(int argc, char **argv)
48 char flags[MAX_NR_KEYMAPS], magic[] = "bkeymap";
50 if (argc >= 2 && *argv[1] == '-')
53 fd = bb_xopen(CURRENT_VC, O_RDWR);
57 /* Here we want to set everything to 0 except for indexes:
58 * [0-2] [4-6] [8-10] [12] */
59 memset(flags, 0x00, MAX_NR_KEYMAPS);
60 memset(flags, 0x01, 13);
61 flags[3] = flags[7] = flags[11] = 0;
64 write(1, flags, MAX_NR_KEYMAPS);
66 for (i = 0; i < MAX_NR_KEYMAPS; i++) {
68 for (j = 0; j < NR_KEYS; j++) {
71 if (ioctl(fd, KDGKBENT, &ke) < 0) {
72 bb_perror_msg("ioctl failed with %s, %s, %p",
77 write(1, (void*)&ke.kb_value, 2);