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List:       busybox
Subject:    Re: kbd_mode
From:       "=?ISO-8859-1?Q?Lo=EFc_Greni=E9?=" <loic.grenie () gmail ! com>
Date:       2007-10-12 16:18:40
Message-ID: 9b06e8d20710120918u5c04b54fv5d1908722ca78dc7 () mail ! gmail ! com
[Download RAW message or body]

2007/10/12, Bernhard Fischer <rep.dot.nop@gmail.com>:
> On Thu, Oct 11, 2007 at 09:49:42PM +0200, Lo=EFc Greni=E9 wrote:
> >  This patch to add a kbd_mode applet.
>
> You forgot to actually attach it..

     Sorry...

     Lo=EFc

["kbd_mode.diff" (text/x-diff)]

Index: console-tools/Config.in
===================================================================
--- console-tools/Config.in	(revision 20224)
+++ console-tools/Config.in	(working copy)
@@ -31,6 +31,12 @@
 	  This program dumps the kernel's keyboard translation table to
 	  stdout, in binary format. You can then use loadkmap to load it.
 
+config KBD_MODE
+	bool "kbd_mode"
+	default n
+	help
+	  This program reports and sets keyboard mode.
+
 config LOADFONT
 	bool "loadfont"
 	default n
Index: console-tools/Kbuild
===================================================================
--- console-tools/Kbuild	(revision 20224)
+++ console-tools/Kbuild	(working copy)
@@ -10,6 +10,7 @@
 lib-$(CONFIG_DEALLOCVT)		+= deallocvt.o
 lib-$(CONFIG_DUMPKMAP)		+= dumpkmap.o
 lib-$(CONFIG_SETCONSOLE)	+= setconsole.o
+lib-$(CONFIG_KBD_MODE)		+= kbd_mode.o
 lib-$(CONFIG_LOADFONT)		+= loadfont.o
 lib-$(CONFIG_LOADKMAP)		+= loadkmap.o
 lib-$(CONFIG_OPENVT)		+= openvt.o
Index: include/usage.h
===================================================================
--- include/usage.h	(revision 20224)
+++ include/usage.h	(working copy)
@@ -1728,6 +1728,16 @@
        "	[[i|o]seq] [[i|o]key KEY] [[i|o]csum]\n" \
        "	[ttl TTL] [tos TOS] [[no]pmtudisc] [dev PHYS_DEV]"
 
+#define kbd_mode_trivial_usage \
+	"[-a|k|s|u]"
+#define kbd_mode_full_usage \
+	"Set or report the keyboard mode" \
+	"\n\nOptions:\n" \
+       "	-a	Set keyboard in default (ASCII) mode\n" \
+       "	-k	Set keyboard in mediumraw (keyboard) mode\n" \
+       "	-s	Set keyboard in raw (scancode) mode\n" \
+       "	-u	Set keyboard in unicode (utf-8) mode"
+
 #define kill_trivial_usage \
        "[-l] [-signal] process-id [process-id ...]"
 #define kill_full_usage \
Index: include/applets.h
===================================================================
--- include/applets.h	(revision 20224)
+++ include/applets.h	(working copy)
@@ -201,6 +201,7 @@
 USE_IPROUTE(APPLET(iproute, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_IPRULE(APPLET(iprule, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_IPTUNNEL(APPLET(iptunnel, _BB_DIR_BIN, _BB_SUID_NEVER))
+USE_KBD_MODE(APPLET(kbd_mode, __BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_KILL(APPLET(kill, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_KILLALL(APPLET_ODDNAME(killall, kill, _BB_DIR_USR_BIN, _BB_SUID_NEVER, killall))
 USE_KILLALL5(APPLET_ODDNAME(killall5, kill, _BB_DIR_USR_BIN, _BB_SUID_NEVER, killall5))
--- /dev/null	2007-10-12 09:43:29.342622800 +0200
+++ console-tools/kbd_mode.c	2007-10-11 21:36:59.000000000 +0200
@@ -0,0 +1,65 @@
+/* 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)
+{
+	const char *opts = "saku", *opt = argv[1], *p;
+	int fd;
+
+	fd = get_console_fd();
+
+	if (opt == NULL) {
+		/* No arg */
+		const char *msg;
+		int mode;
+
+		ioctl(fd, KDGKBMODE, &mode);
+		switch(mode) {
+		case K_RAW:
+			msg = "raw (scancode)";
+			break;
+		case K_XLATE:
+			msg = "the default (ASCII)";
+			break;
+		case K_MEDIUMRAW:
+			msg = "mediumraw (keycode)";
+			break;
+		case K_UNICODE:
+			msg = "Unicode (UTF-8)";
+			break;
+	    default:
+			msg = "some unknown";
+			break;
+		}
+	    printf("The keyboard is in %s mode\n", msg);
+	}
+	else if (argc > 2 || *opt != '-' || (p = strchr(opts, opt[1])) == NULL ||
+			opt[2] != '\0') {
+		bb_show_usage();
+		return EXIT_FAILURE;
+	}
+	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;
+}


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