71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Mini loadkmap implementation for busybox
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*
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* Copyright (C) 2007 Loïc Grenié <loic.grenie@gmail.com>
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* written using Andries Brouwer <aeb@cwi.nl>'s kbd_mode from
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* console-utils v0.2.3, licensed under GNU GPLv2
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*
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*/
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#include "libbb.h"
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#include <linux/kd.h>
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int kbd_mode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int kbd_mode_main(int argc, char **argv)
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{
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static const char opts[] = "saku";
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const char *opt = argv[1];
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const char *p;
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int fd;
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fd = get_console_fd();
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if (fd < 0) /* get_console_fd() already complained */
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return EXIT_FAILURE;
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if (opt == NULL) {
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/* No arg */
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const char *msg = "unknown";
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int mode;
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ioctl(fd, KDGKBMODE, &mode);
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switch(mode) {
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case K_RAW:
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msg = "raw (scancode)";
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break;
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case K_XLATE:
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msg = "default (ASCII)";
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break;
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case K_MEDIUMRAW:
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msg = "mediumraw (keycode)";
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break;
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case K_UNICODE:
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msg = "Unicode (UTF-8)";
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break;
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}
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printf("The keyboard is in %s mode\n", msg);
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}
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else if (argc > 2 /* more than 1 arg */
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|| *opt != '-' /* not an option */
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|| (p = strchr(opts, opt[1])) == NULL /* not an option we expect */
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|| opt[2] != '\0' /* more than one option char */
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) {
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bb_show_usage();
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/* return EXIT_FAILURE; - not reached */
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}
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else {
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#if K_RAW != 0 || K_XLATE != 1 || K_MEDIUMRAW != 2 || K_UNICODE != 3
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#error kbd_mode must be changed
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#endif
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/* The options are in the order of the various K_xxx */
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ioctl(fd, KDSKBMODE, p - opts);
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}
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if (ENABLE_FEATURE_CLEAN_UP)
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close(fd);
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return EXIT_SUCCESS;
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}
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