freebsd-dev/usr.sbin/sade/keymap.c

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/*
* Copyright (c) 1996 Joerg Wunsch
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
1999-08-28 01:35:59 +00:00
* $FreeBSD$
*
*/
#include "sysinstall.h"
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/kbio.h>
struct keymapInfo {
const char *name;
const struct keymap *map;
};
#include "keymap.h"
/*
* keymap.h is being automatically generated by the Makefile. It
* contains definitions for all desired keymaps. Note that since we
* don't support font loading nor screen mapping during installation,
* we simply don't care for any other keys than the ASCII subset.
*
* Therefore, if no keymap with the exact name has been found in the
* first pass, we make a second pass over the table looking just for
* the language name only.
*/
/*
* Return values:
*
* 0: OK
* -1: no appropriate keymap found
* -2: error installing map (other than ENXIO which means we're not on syscons)
*/
int
loadKeymap(const char *lang)
{
int passno, err;
char *llang;
size_t l;
struct keymapInfo *kip;
llang = strdup(lang);
if (llang == NULL)
abort();
for (passno = 0; passno < 2; passno++)
{
if (passno > 0)
{
/* make the match more fuzzy */
l = strspn(llang, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
llang[l] = '\0';
}
l = strlen(llang);
for (kip = keymapInfos; kip->name; kip++)
if (strncmp(kip->name, llang, l) == 0)
{
/* Yep, got it! */
err = ioctl(0, PIO_KEYMAP, kip->map);
free(llang);
return (err == -1 && errno != ENOTTY)? -2: 0;
}
}
free(llang);
return -1;
}