diff options
Diffstat (limited to 'loadkmap.c')
-rw-r--r-- | loadkmap.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/loadkmap.c b/loadkmap.c new file mode 100644 index 000000000..0f092d193 --- /dev/null +++ b/loadkmap.c | |||
@@ -0,0 +1,68 @@ | |||
1 | #include "internal.h" | ||
2 | #include <errno.h> | ||
3 | #include <fcntl.h> | ||
4 | #include <stdio.h> | ||
5 | #include <linux/kd.h> | ||
6 | #include <linux/keyboard.h> | ||
7 | #include <sys/ioctl.h> | ||
8 | |||
9 | |||
10 | const char loadkmap_usage[] = "loadkmap\n" | ||
11 | "\n" | ||
12 | "\tLoad a binary keyboard translation table from standard input.\n" | ||
13 | "\n"; | ||
14 | |||
15 | |||
16 | int | ||
17 | loadkmap_main(struct FileInfo * info, int argc, char * * argv) | ||
18 | { | ||
19 | struct kbentry ke; | ||
20 | u_short *ibuff; | ||
21 | int i,j,fd,readsz,pos,ibuffsz=NR_KEYS * sizeof(u_short); | ||
22 | char flags[MAX_NR_KEYMAPS],magic[]="bkeymap",buff[7]; | ||
23 | |||
24 | fd = open("/dev/tty0", O_RDWR); | ||
25 | if (fd < 0) { | ||
26 | fprintf(stderr, "Error opening /dev/tty0: %s\n", strerror(errno)); | ||
27 | return 1; | ||
28 | } | ||
29 | |||
30 | read(0,buff,7); | ||
31 | if (0 != strncmp(buff,magic,7)) { | ||
32 | fprintf(stderr, "This is not a valid binary keymap.\n"); | ||
33 | return 1; | ||
34 | } | ||
35 | |||
36 | if ( MAX_NR_KEYMAPS != read(0,flags,MAX_NR_KEYMAPS) ) { | ||
37 | fprintf(stderr, "Error reading keymap flags: %s\n", strerror(errno)); | ||
38 | return 1; | ||
39 | } | ||
40 | |||
41 | ibuff=(u_short *) malloc(ibuffsz); | ||
42 | if (!ibuff) { | ||
43 | fprintf(stderr, "Out of memory.\n"); | ||
44 | return 1; | ||
45 | } | ||
46 | |||
47 | for(i=0; i<MAX_NR_KEYMAPS; i++) { | ||
48 | if (flags[i]==1){ | ||
49 | pos=0; | ||
50 | while (pos < ibuffsz) { | ||
51 | if ( (readsz = read(0,ibuff+pos,ibuffsz-pos)) < 0 ) { | ||
52 | fprintf(stderr, "Error reading keymap: %s\n", | ||
53 | strerror(errno)); | ||
54 | return 1; | ||
55 | } | ||
56 | pos += readsz; | ||
57 | } | ||
58 | for(j=0; j<NR_KEYS; j++) { | ||
59 | ke.kb_index = j; | ||
60 | ke.kb_table = i; | ||
61 | ke.kb_value = ibuff[j]; | ||
62 | ioctl(fd, KDSKBENT, &ke); | ||
63 | } | ||
64 | } | ||
65 | } | ||
66 | close (fd); | ||
67 | return 0; | ||
68 | } | ||