busybox/console-tools/setkeycodes.c

/* vi: set sw=4 ts=4: */
/*
 * setkeycodes
 *
 * Copyright (C) 1994-1998 Andries E. Brouwer <aeb@cwi.nl>
 *
 * Adjusted for BusyBox by Erik Andersen <andersen@codepoet.org>
 *
 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
 */

#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include "busybox.h"


/* From <linux/kd.h> */
struct kbkeycode {
	unsigned int scancode, keycode;
};
enum {
	KDSETKEYCODE = 0x4B4D  /* write kernel keycode table entry */
};

extern int
setkeycodes_main(int argc, char** argv)
{
	int fd, sc;
	struct kbkeycode a;

	if (argc % 2 != 1 || argc < 2) {
		bb_show_usage();
	}

	fd = get_console_fd();

	while (argc > 2) {
		a.keycode = xatoul_range(argv[2], 0, 127);
		a.scancode = sc = xstrtoul_range(argv[1], 16, 0, 255);
		if (a.scancode > 127) {
			a.scancode -= 0xe000;
			a.scancode += 128;
		}
		if (ioctl(fd, KDSETKEYCODE, &a)) {
			bb_perror_msg_and_die("failed to set SCANCODE %x to KEYCODE %d", sc, a.keycode);
		}
		argc -= 2;
		argv += 2;
	}
	return EXIT_SUCCESS;
}
1	niro	532	/* vi: set sw=4 ts=4: */
2			/*
3			* setkeycodes
4			*
5			* Copyright (C) 1994-1998 Andries E. Brouwer <aeb@cwi.nl>
6			*
7			* Adjusted for BusyBox by Erik Andersen <andersen@codepoet.org>
8			*
9			* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
10			*/
11
12			#include <stdio.h>
13			#include <stdlib.h>
14			#include <fcntl.h>
15			#include <sys/ioctl.h>
16			#include "busybox.h"
17
18
19			/* From <linux/kd.h> */
20			struct kbkeycode {
21			unsigned int scancode, keycode;
22			};
23			enum {
24			KDSETKEYCODE = 0x4B4D /* write kernel keycode table entry */
25			};
26
27			extern int
28			setkeycodes_main(int argc, char** argv)
29			{
30			int fd, sc;
31			struct kbkeycode a;
32
33			if (argc % 2 != 1 \|\| argc < 2) {
34			bb_show_usage();
35			}
36
37			fd = get_console_fd();
38
39			while (argc > 2) {
40			a.keycode = xatoul_range(argv[2], 0, 127);
41			a.scancode = sc = xstrtoul_range(argv[1], 16, 0, 255);
42			if (a.scancode > 127) {
43			a.scancode -= 0xe000;
44			a.scancode += 128;
45			}
46			if (ioctl(fd, KDSETKEYCODE, &a)) {
47			bb_perror_msg_and_die("failed to set SCANCODE %x to KEYCODE %d", sc, a.keycode);
48			}
49			argc -= 2;
50			argv += 2;
51			}
52			return EXIT_SUCCESS;
53			}