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
90
91
92
93
94
|
#include <u.h>
#include <libc.h>
char *mod = "4";
char *key = "57";
enum{ Kswitch = 0xF000|0x0701 };
static void
writemap(char *file)
{
int i, fd, ofd;
char buf[8192];
int n;
char *p;
if((fd = open(file, OREAD)) < 0)
sysfatal("cannot open %s: %r", file);
if((ofd = open("/dev/kbmap", OWRITE|OTRUNC)) < 0)
sysfatal("cannot open /dev/kbmap: %r");
/* do not write half lines */
n = 0;
while((i = read(fd, buf + n, sizeof buf - 1 - n)) > 0){
n += i;
buf[n] = '\0';
p = strrchr(buf, '\n');
if(p == nil){
if(n == sizeof buf - 1)
sysfatal("writing /dev/kbmap: line too long");
continue;
}
p++;
if(write(ofd, buf, p - buf) != p - buf)
sysfatal("writing /dev/kbmap: %r");
n -= p - buf;
memmove(buf, p, n);
}
fprint(ofd, "%s\t%s\t0x%X\n", mod, key, Kswitch);
close(fd);
close(ofd);
}
void
usage(void)
{
fprint(2, "usage: %s [ -m mod ] [ -k scancode ] map1 map2 ...\n", argv0);
exits("usage");
}
void
main(int argc, char **argv)
{
char *p, buf[8192];
Rune r;
long n;
int index;
index = 0;
ARGBEGIN{
case 'm':
mod = EARGF(usage());
break;
case 'k':
key = EARGF(usage());
break;
default:
usage();
}ARGEND;
if(argc < 2)
usage();
chdir("/sys/lib/kbmap");
writemap(argv[0]);
for(;;){
n = read(0, buf, sizeof buf - 1);
if(n <= 0)
break;
buf[n] = '\0';
for(p = buf; p < buf+n; p += strlen(p) + 1){
chartorune(&r, p+1);
if(*p != 'c' || r != Kswitch){
write(1, p, strlen(p) + 1);
continue;
}
index++;
if(argv[index] == nil)
index = 0;
writemap(argv[index]);
}
}
exits(nil);
}
|
