/* vi: set sw=4 ts=4: */ /* * Mini loadkmap implementation for busybox * * Copyright (C) 1998 Enrique Zanardi <ezanardi@ull.es> * * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. * */ #include "libbb.h" #define BINARY_KEYMAP_MAGIC "bkeymap" /* From <linux/kd.h> */ struct kbentry { unsigned char kb_table; unsigned char kb_index; unsigned short kb_value; }; /* sets one entry in translation table */ #define KDSKBENT 0x4B47 /* From <linux/keyboard.h> */ #define NR_KEYS 128 #define MAX_NR_KEYMAPS 256 int loadkmap_main(int argc, char **argv); int loadkmap_main(int argc, char **argv) { struct kbentry ke; int i, j, fd; uint16_t ibuff[NR_KEYS]; char flags[MAX_NR_KEYMAPS]; char buff[7]; if (argc != 1) bb_show_usage(); fd = xopen(CURRENT_VC, O_RDWR); xread(0, buff, 7); if (strncmp(buff, BINARY_KEYMAP_MAGIC, 7)) bb_error_msg_and_die("this is not a valid binary keymap"); xread(0, flags, MAX_NR_KEYMAPS); for (i = 0; i < MAX_NR_KEYMAPS; i++) { if (flags[i] == 1) { xread(0, ibuff, NR_KEYS * sizeof(uint16_t)); for (j = 0; j < NR_KEYS; j++) { ke.kb_index = j; ke.kb_table = i; ke.kb_value = ibuff[j]; ioctl(fd, KDSKBENT, &ke); } } } if (ENABLE_FEATURE_CLEAN_UP) close(fd); return 0; }