1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* Mini loadkmap implementation for busybox
*
* Copyright (C) 1998 Enrique Zanardi <ezanardi@ull.es>
*
* 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 "internal.h"
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <linux/kd.h>
#include <linux/keyboard.h>
#include <sys/ioctl.h>
static const char loadkmap_usage[] = "loadkmap\n"
"\n"
"\tLoad a binary keyboard translation table from standard input.\n"
"\n";
int
loadkmap_main(int argc, char * * argv)
{
struct kbentry ke;
u_short *ibuff;
int i,j,fd,readsz,pos,ibuffsz=NR_KEYS * sizeof(u_short);
char flags[MAX_NR_KEYMAPS],magic[]="bkeymap",buff[7];
fd = open("/dev/tty0", O_RDWR);
if (fd < 0) {
fprintf(stderr, "Error opening /dev/tty0: %s\n", strerror(errno));
return 1;
}
read(0,buff,7);
if (0 != strncmp(buff,magic,7)) {
fprintf(stderr, "This is not a valid binary keymap.\n");
return 1;
}
if ( MAX_NR_KEYMAPS != read(0,flags,MAX_NR_KEYMAPS) ) {
fprintf(stderr, "Error reading keymap flags: %s\n", strerror(errno));
return 1;
}
ibuff=(u_short *) malloc(ibuffsz);
if (!ibuff) {
fprintf(stderr, "Out of memory.\n");
return 1;
}
for(i=0; i<MAX_NR_KEYMAPS; i++) {
if (flags[i]==1){
pos=0;
while (pos < ibuffsz) {
if ( (readsz = read(0,(char *)ibuff+pos,ibuffsz-pos)) < 0 ) {
fprintf(stderr, "Error reading keymap: %s\n",
strerror(errno));
return 1;
}
pos += readsz;
}
for(j=0; j<NR_KEYS; j++) {
ke.kb_index = j;
ke.kb_table = i;
ke.kb_value = ibuff[j];
ioctl(fd, KDSKBENT, &ke);
}
}
}
close (fd);
return 0;
}
|
