mirror of
https://github.com/sheumann/hush.git
synced 2024-12-22 14:30:31 +00:00
62 lines
1.3 KiB
C
62 lines
1.3 KiB
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)
|
|
{
|
|
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)) {
|
|
perror("KDSETKEYCODE");
|
|
bb_error_msg_and_die("failed to set SCANCODE %x to KEYCODE %d", sc, a.keycode);
|
|
}
|
|
argc -= 2;
|
|
argv += 2;
|
|
}
|
|
return EXIT_SUCCESS;
|
|
}
|