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authorEric Andersen <andersen@codepoet.org>2000-07-11 17:29:36 +0000
committerEric Andersen <andersen@codepoet.org>2000-07-11 17:29:36 +0000
commit61dc0571832b88097192a8c0eab190a44c577371 (patch)
treee8d48007f5e86b1fe04d3b4f4b56d53c6ef35eeb /console-tools
parentdf5f6ba1159f8c1af500fa1b8eb9c9646e4de2a6 (diff)
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Added 'dumpkmap' to allow people to dump a binary keymap, which can then be
loaded in by 'loadkmap' -- submitted by Arne Bernin <arne@matrix.loopback.org> -Erik
Diffstat (limited to 'console-tools')
-rw-r--r--console-tools/dumpkmap.c100
-rw-r--r--console-tools/loadkmap.c2
2 files changed, 101 insertions, 1 deletions
diff --git a/console-tools/dumpkmap.c b/console-tools/dumpkmap.c
new file mode 100644
index 000000000..a497a07d1
--- /dev/null
+++ b/console-tools/dumpkmap.c
@@ -0,0 +1,100 @@
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
23#include "internal.h"
24#include <errno.h>
25#include <fcntl.h>
26#include <stdio.h>
27#include <sys/ioctl.h>
28
29/* From <linux/kd.h> */
30struct kbentry {
31 unsigned char kb_table;
32 unsigned char kb_index;
33 unsigned short kb_value;
34};
35#define KDGKBENT 0x4B46 /* gets one entry in translation table */
36
37/* From <linux/keyboard.h> */
38#define NR_KEYS 128
39#define MAX_NR_KEYMAPS 256
40
41
42static const char dumpkmap_usage[] = "dumpkmap\n"
43#ifndef BB_FEATURE_TRIVIAL_HELP
44 "\nPrints out a binary keyboard translation table to standard input.\n"
45#endif
46 ;
47
48
49int dumpkmap_main(int argc, char **argv)
50{
51 struct kbentry ke;
52 int i, j, fd;
53 char flags[MAX_NR_KEYMAPS], magic[] = "bkeymap";
54
55 if (argc>=2 && *argv[1]=='-') {
56 usage(dumpkmap_usage);
57 }
58
59 fd = open("/dev/tty0", O_RDWR);
60 if (fd < 0) {
61 fprintf(stderr, "Error opening /dev/tty0: %s\n", strerror(errno));
62 return 1;
63 }
64
65 write(1, magic, 7);
66
67 for (i=0; i < MAX_NR_KEYMAPS; i++) flags[i]=0;
68 flags[0]=1;
69 flags[1]=1;
70 flags[2]=1;
71 flags[4]=1;
72 flags[5]=1;
73 flags[6]=1;
74 flags[8]=1;
75 flags[9]=1;
76 flags[10]=1;
77 flags[12]=1;
78
79 /* dump flags */
80 for (i=0; i < MAX_NR_KEYMAPS; i++) write(1,&flags[i],1);
81
82 for (i = 0; i < MAX_NR_KEYMAPS; i++) {
83 if (flags[i] == 1) {
84 for (j = 0; j < NR_KEYS; j++) {
85 ke.kb_index = j;
86 ke.kb_table = i;
87 if (ioctl(fd, KDGKBENT, &ke) < 0) {
88
89 fprintf(stderr, "ioctl returned: %s, %s, %s, %xqq\n",strerror(errno),(char *)&ke.kb_index,(char *)&ke.kb_table,(int)&ke.kb_value);
90 }
91 else {
92 write(1,&ke.kb_value,2);
93 }
94
95 }
96 }
97 }
98 close(fd);
99 return 0;
100}
diff --git a/console-tools/loadkmap.c b/console-tools/loadkmap.c
index 0e8c090d2..c2e4c94ed 100644
--- a/console-tools/loadkmap.c
+++ b/console-tools/loadkmap.c
@@ -41,7 +41,7 @@ struct kbentry {
41 41
42static const char loadkmap_usage[] = "loadkmap\n" 42static const char loadkmap_usage[] = "loadkmap\n"
43#ifndef BB_FEATURE_TRIVIAL_HELP 43#ifndef BB_FEATURE_TRIVIAL_HELP
44 "Loads a binary keyboard translation table from standard input.\n" 44 "\nLoads a binary keyboard translation table from standard input.\n"
45#endif 45#endif
46 ; 46 ;
47 47