93 lines
2.2 KiB
C
93 lines
2.2 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Mini dumpkmap implementation for busybox
|
|
*
|
|
* Copyright (C) Arne Bernin <arne@matrix.loopback.org>
|
|
*
|
|
* 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 <sys/ioctl.h>
|
|
|
|
/* From <linux/kd.h> */
|
|
struct kbentry {
|
|
unsigned char kb_table;
|
|
unsigned char kb_index;
|
|
unsigned short kb_value;
|
|
};
|
|
#define KDGKBENT 0x4B46 /* gets one entry in translation table */
|
|
|
|
/* From <linux/keyboard.h> */
|
|
#define NR_KEYS 128
|
|
#define MAX_NR_KEYMAPS 256
|
|
|
|
int dumpkmap_main(int argc, char **argv)
|
|
{
|
|
struct kbentry ke;
|
|
int i, j, fd;
|
|
char flags[MAX_NR_KEYMAPS], magic[] = "bkeymap";
|
|
|
|
if (argc>=2 && *argv[1]=='-') {
|
|
usage(dumpkmap_usage);
|
|
}
|
|
|
|
fd = open("/dev/tty0", O_RDWR);
|
|
if (fd < 0) {
|
|
errorMsg("Error opening /dev/tty0: %s\n", strerror(errno));
|
|
return 1;
|
|
}
|
|
|
|
write(1, magic, 7);
|
|
|
|
for (i=0; i < MAX_NR_KEYMAPS; i++) flags[i]=0;
|
|
flags[0]=1;
|
|
flags[1]=1;
|
|
flags[2]=1;
|
|
flags[4]=1;
|
|
flags[5]=1;
|
|
flags[6]=1;
|
|
flags[8]=1;
|
|
flags[9]=1;
|
|
flags[10]=1;
|
|
flags[12]=1;
|
|
|
|
/* dump flags */
|
|
for (i=0; i < MAX_NR_KEYMAPS; i++) write(1,&flags[i],1);
|
|
|
|
for (i = 0; i < MAX_NR_KEYMAPS; i++) {
|
|
if (flags[i] == 1) {
|
|
for (j = 0; j < NR_KEYS; j++) {
|
|
ke.kb_index = j;
|
|
ke.kb_table = i;
|
|
if (ioctl(fd, KDGKBENT, &ke) < 0) {
|
|
|
|
errorMsg("ioctl returned: %s, %s, %s, %xqq\n",strerror(errno),(char *)&ke.kb_index,(char *)&ke.kb_table,(int)&ke.kb_value);
|
|
}
|
|
else {
|
|
write(1,(void*)&ke.kb_value,2);
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
close(fd);
|
|
return 0;
|
|
}
|