/*      $NetBSD: loadkmap.c,v 1.12 2019/06/29 16:29:24 tsutsui Exp $    */

#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include "../../dev/iteioctl.h"
#include "../../dev/kbdmap.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>

static int load_kmap(const char *, int);
static int dump_kmap(void); 

int
main(int argc, char *argv[])
{
        int     set_sysmap = 0;
        char    *mapfile;
        int     rc = 0;

        if (argc > 2) {
                if ((argc == 3) && !strcmp(argv[1], "-f")) {
                        mapfile = argv[2];
                        set_sysmap = 1;
                } else {
                        fprintf(stderr, "%s [-f] keymap\n", argv[0]);
                        exit(1);
                }
        } else
                mapfile = argv[1];

        if (argc == 1)
                rc = dump_kmap();
        else
                rc = load_kmap(mapfile, set_sysmap);

        exit(rc);
}


static int
load_kmap(const char *file, int set_sysmap)
{
        int     fd;
        char    buf[sizeof(struct kbdmap)];
        int     ioc;

        ioc = set_sysmap ? ITEIOCSSKMAP : ITEIOCSKMAP;
        
        if ((fd = open(file, 0)) >= 0) {
                if (read(fd, buf, sizeof(buf)) == sizeof(buf)) {
                        if (ioctl(0, ioc, buf) == 0) {
                                close(fd);
                                return 0;
                        } else
                                perror("ITEIOCSKMAP");
                } else
                        perror("read kmap");

                close(fd);
        } else
                perror("open kmap");
        return 1;
}

static int
dump_kmap(void)
{
        char buf[sizeof(struct kbdmap)];

        if (ioctl(0, ITEIOCGKMAP, buf) == 0) {
                write(1, buf, sizeof(buf));
                return 0;
        }
        perror("ITEIOCGKMAP");
        return 1;
}