xref: /netbsd-src/sys/arch/atari/stand/loadkmap/loadkmap.c (revision 55f3b092cec81a6184f07a65dbbec4a076c1d106)

/*	$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;
}