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authorDenis Vlasenko2007-10-20 00:17:34 +0000
committerDenis Vlasenko2007-10-20 00:17:34 +0000
commitaa7a888e423fc85daa8af0ac3aabe8fc7af86312 (patch)
tree9eb65800fef6933a416ee2bc3a57610bbc205136 /console-tools/kbd_mode.c
parent85ff862753be5b7b5d3855681f9234c131659b8a (diff)
downloadbusybox-aa7a888e423fc85daa8af0ac3aabe8fc7af86312.zip
busybox-aa7a888e423fc85daa8af0ac3aabe8fc7af86312.tar.gz
kbd_mode: new applet by Loïc Grenié <loic.grenie@gmail.com>
kbd_mode_main - 189 +189 packed_usage 22745 22833 +88 applets 3132 3144 +12 static.opts 7 12 +5 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 3/0 up/down: 294/0) Total: 294 bytes text data bss dec hex filename 777210 1000 9532 787742 c051e busybox_old 777575 1000 9532 788107 c068b busybox_unstripped
Diffstat (limited to 'console-tools/kbd_mode.c')
-rw-r--r--console-tools/kbd_mode.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/console-tools/kbd_mode.c b/console-tools/kbd_mode.c
new file mode 100644
index 0000000..0000ea1
--- /dev/null
+++ b/console-tools/kbd_mode.c
@@ -0,0 +1,71 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini loadkmap implementation for busybox
+ *
+ * Copyright (C) 2007 Loïc Grenié <loic.grenie@gmail.com>
+ * written using Andries Brouwer <aeb@cwi.nl>'s kbd_mode from
+ * console-utils v0.2.3, licensed under GNU GPLv2
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ *
+ */
+
+#include <getopt.h>
+#include "libbb.h"
+#include <linux/kd.h>
+
+int kbd_mode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int kbd_mode_main(int argc, char **argv)
+{
+ static const char opts[] = "saku";
+
+ const char *opt = argv[1];
+ const char *p;
+ int fd;
+
+ fd = get_console_fd();
+ if (fd < 0) /* get_console_fd() already complained */
+ return EXIT_FAILURE;
+
+ if (opt == NULL) {
+ /* No arg */
+ const char *msg = "unknown";
+ int mode;
+
+ ioctl(fd, KDGKBMODE, &mode);
+ switch(mode) {
+ case K_RAW:
+ msg = "raw (scancode)";
+ break;
+ case K_XLATE:
+ msg = "default (ASCII)";
+ break;
+ case K_MEDIUMRAW:
+ msg = "mediumraw (keycode)";
+ break;
+ case K_UNICODE:
+ msg = "Unicode (UTF-8)";
+ break;
+ }
+ printf("The keyboard is in %s mode\n", msg);
+ }
+ else if (argc > 2 /* more than 1 arg */
+ || *opt != '-' /* not an option */
+ || (p = strchr(opts, opt[1])) == NULL /* not an option we expect */
+ || opt[2] != '\0' /* more than one option char */
+ ) {
+ bb_show_usage();
+ /* return EXIT_FAILURE; - not reached */
+ }
+ else {
+#if K_RAW != 0 || K_XLATE != 1 || K_MEDIUMRAW != 2 || K_UNICODE != 3
+#error kbd_mode must be changed
+#endif
+ /* The options are in the order of the various K_xxx */
+ ioctl(fd, KDSKBMODE, p - opts);
+ }
+
+ if (ENABLE_FEATURE_CLEAN_UP)
+ close(fd);
+ return EXIT_SUCCESS;
+}