1 /* vi: set sw=4 ts=4: */
3 * Mini loadkmap implementation for busybox
5 * Copyright (C) 1998 Enrique Zanardi <ezanardi@ull.es>
7 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
13 #define BINARY_KEYMAP_MAGIC "bkeymap"
15 /* From <linux/kd.h> */
17 unsigned char kb_table;
18 unsigned char kb_index;
19 unsigned short kb_value;
21 /* sets one entry in translation table */
22 #define KDSKBENT 0x4B47
24 /* From <linux/keyboard.h> */
26 #define MAX_NR_KEYMAPS 256
28 int loadkmap_main(int argc, char **argv)
32 uint16_t ibuff[NR_KEYS];
33 char flags[MAX_NR_KEYMAPS];
39 fd = xopen(CURRENT_VC, O_RDWR);
42 if (strncmp(buff, BINARY_KEYMAP_MAGIC, 7))
43 bb_error_msg_and_die("this is not a valid binary keymap");
45 xread(0, flags, MAX_NR_KEYMAPS);
47 for (i = 0; i < MAX_NR_KEYMAPS; i++) {
49 xread(0, ibuff, NR_KEYS * sizeof(uint16_t));
50 for (j = 0; j < NR_KEYS; j++) {
53 ke.kb_value = ibuff[j];
54 ioctl(fd, KDSKBENT, &ke);
59 if (ENABLE_FEATURE_CLEAN_UP) close(fd);