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/* 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)
{
char *ep;
int fd, sc;
struct kbkeycode a;
if (argc % 2 != 1 || argc < 2) {
bb_show_usage();
}
fd = get_console_fd();
while (argc > 2) {
a.keycode = atoi(argv[2]);
a.scancode = sc = strtol(argv[1], &ep, 16);
if (*ep) {
bb_error_msg_and_die("error reading SCANCODE: '%s'", argv[1]);
}
if (a.scancode > 127) {
a.scancode -= 0xe000;
a.scancode += 128;
}
if (a.scancode > 255 || a.keycode > 127) {
bb_error_msg_and_die("SCANCODE or KEYCODE outside bounds");
}
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;
}
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