Eric Andersen | 61dc057 | 2000-07-11 17:29:36 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
| 2 | /* |
| 3 | * Mini dumpkmap implementation for busybox |
| 4 | * |
| 5 | * Copyright (C) Arne Bernin <arne@matrix.loopback.org> |
| 6 | * |
| 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. |
| 11 | * |
| 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. |
| 16 | * |
| 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 |
| 20 | * |
| 21 | */ |
| 22 | |
Eric Andersen | 61dc057 | 2000-07-11 17:29:36 +0000 | [diff] [blame] | 23 | #include <errno.h> |
| 24 | #include <fcntl.h> |
| 25 | #include <stdio.h> |
Eric Andersen | ed3ef50 | 2001-01-27 08:24:39 +0000 | [diff] [blame] | 26 | #include <unistd.h> |
| 27 | #include <string.h> |
| 28 | #include <stdlib.h> |
Eric Andersen | 61dc057 | 2000-07-11 17:29:36 +0000 | [diff] [blame] | 29 | #include <sys/ioctl.h> |
Eric Andersen | cbe31da | 2001-02-20 06:14:08 +0000 | [diff] [blame] | 30 | #include "busybox.h" |
Eric Andersen | 61dc057 | 2000-07-11 17:29:36 +0000 | [diff] [blame] | 31 | |
| 32 | /* From <linux/kd.h> */ |
| 33 | struct kbentry { |
| 34 | unsigned char kb_table; |
| 35 | unsigned char kb_index; |
| 36 | unsigned short kb_value; |
| 37 | }; |
Mark Whitley | 59ab025 | 2001-01-23 22:30:04 +0000 | [diff] [blame] | 38 | static const int KDGKBENT = 0x4B46; /* gets one entry in translation table */ |
Eric Andersen | 61dc057 | 2000-07-11 17:29:36 +0000 | [diff] [blame] | 39 | |
| 40 | /* From <linux/keyboard.h> */ |
Mark Whitley | 59ab025 | 2001-01-23 22:30:04 +0000 | [diff] [blame] | 41 | static const int NR_KEYS = 128; |
| 42 | static const int MAX_NR_KEYMAPS = 256; |
Eric Andersen | 61dc057 | 2000-07-11 17:29:36 +0000 | [diff] [blame] | 43 | |
Eric Andersen | 61dc057 | 2000-07-11 17:29:36 +0000 | [diff] [blame] | 44 | int dumpkmap_main(int argc, char **argv) |
| 45 | { |
| 46 | struct kbentry ke; |
| 47 | int i, j, fd; |
| 48 | char flags[MAX_NR_KEYMAPS], magic[] = "bkeymap"; |
| 49 | |
| 50 | if (argc>=2 && *argv[1]=='-') { |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 51 | bb_show_usage(); |
Eric Andersen | 61dc057 | 2000-07-11 17:29:36 +0000 | [diff] [blame] | 52 | } |
| 53 | |
Glenn L McGrath | 02e0355 | 2003-12-20 06:00:08 +0000 | [diff] [blame] | 54 | fd=bb_xopen(CURRENT_VC, O_RDWR); |
Eric Andersen | 61dc057 | 2000-07-11 17:29:36 +0000 | [diff] [blame] | 55 | |
| 56 | write(1, magic, 7); |
| 57 | |
| 58 | for (i=0; i < MAX_NR_KEYMAPS; i++) flags[i]=0; |
| 59 | flags[0]=1; |
| 60 | flags[1]=1; |
| 61 | flags[2]=1; |
| 62 | flags[4]=1; |
| 63 | flags[5]=1; |
| 64 | flags[6]=1; |
| 65 | flags[8]=1; |
| 66 | flags[9]=1; |
| 67 | flags[10]=1; |
| 68 | flags[12]=1; |
| 69 | |
| 70 | /* dump flags */ |
| 71 | for (i=0; i < MAX_NR_KEYMAPS; i++) write(1,&flags[i],1); |
| 72 | |
| 73 | for (i = 0; i < MAX_NR_KEYMAPS; i++) { |
| 74 | if (flags[i] == 1) { |
| 75 | for (j = 0; j < NR_KEYS; j++) { |
| 76 | ke.kb_index = j; |
| 77 | ke.kb_table = i; |
| 78 | if (ioctl(fd, KDGKBENT, &ke) < 0) { |
| 79 | |
Manuel Novoa III | cad5364 | 2003-03-19 09:13:01 +0000 | [diff] [blame] | 80 | bb_error_msg("ioctl returned: %m, %s, %s, %xqq", (char *)&ke.kb_index,(char *)&ke.kb_table,(int)&ke.kb_value); |
Eric Andersen | 61dc057 | 2000-07-11 17:29:36 +0000 | [diff] [blame] | 81 | } |
| 82 | else { |
Eric Andersen | 88f50b6 | 2000-08-10 17:59:11 +0000 | [diff] [blame] | 83 | write(1,(void*)&ke.kb_value,2); |
Eric Andersen | 61dc057 | 2000-07-11 17:29:36 +0000 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | } |
| 87 | } |
| 88 | } |
| 89 | close(fd); |
Matt Kraai | 3e856ce | 2000-12-01 02:55:13 +0000 | [diff] [blame] | 90 | return EXIT_SUCCESS; |
Eric Andersen | 61dc057 | 2000-07-11 17:29:36 +0000 | [diff] [blame] | 91 | } |