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) MAIN_EXTERNALLY_VISIBLE;
29 int loadkmap_main(int ATTRIBUTE_UNUSED argc, char **argv ATTRIBUTE_UNUSED)
33 uint16_t ibuff[NR_KEYS];
34 RESERVE_CONFIG_BUFFER(flags,MAX_NR_KEYMAPS);
36 /* bb_warn_ignoring_args(argc>=2);*/
38 fd = xopen(CURRENT_VC, O_RDWR);
40 xread(STDIN_FILENO, flags, 7);
41 if (strncmp(flags, BINARY_KEYMAP_MAGIC, 7))
42 bb_error_msg_and_die("not a valid binary keymap");
44 xread(STDIN_FILENO, flags, MAX_NR_KEYMAPS);
46 for (i = 0; i < MAX_NR_KEYMAPS; i++) {
48 xread(STDIN_FILENO, ibuff, NR_KEYS * sizeof(uint16_t));
49 for (j = 0; j < NR_KEYS; j++) {
52 ke.kb_value = ibuff[j];
53 ioctl(fd, KDSKBENT, &ke);
58 if (ENABLE_FEATURE_CLEAN_UP) {
60 RELEASE_CONFIG_BUFFER(flags);