[patch] kbd-bkeymap.patch

kbd-bkeymap.patch (text/plain), 3.12 KB, created by Alexey Gladkov on 2007-08-30 10:44:30 UTC

This patch provides a "-b" (dump binary keymap) option to the
"loadkeys" utility.

Binary keymap is the keymap format used by Busybox
(http://www.busybox.org).

Author: Michel Stempin <michel dot stempin at wanadoo dot fr>

diff -Naur kbd-1.12.orig/man/man1/loadkeys.1.in kbd-1.12/man/man1/loadkeys.1.in
--- kbd-1.12.orig/man/man1/loadkeys.1.in	2002-10-11 13:08:58.000000000 +0200
+++ kbd-1.12/man/man1/loadkeys.1.in	2005-08-06 08:48:31.000000000 +0200
@@ -5,6 +5,8 @@
 .SH SYNOPSIS
 .B loadkeys
 [
+.I -b --bkeymap
+] [
 .I -c --clearcompose
 ] [
 .I -d --default
@@ -120,6 +122,17 @@
 .I /usr/src/linux\%/drivers\%/char\%/defkeymap.c,
 specifying the default key bindings for a kernel
 (and does not modify the current keymap).
+.SH "CREATE BINARY KEYMAP"
+If the
+.I -b
+(or
+.I --bkeymap
+) option is given
+.B loadkeys
+prints to the standard output a file that may be used as a binary
+keymap as expected by Busybox
+.B loadkmap
+command (and does not modify the current keymap).
 .SH "OTHER OPTIONS"
 .TP
 .B \-h \-\-help
diff -Naur kbd-1.12.orig/po/Makefile kbd-1.12/po/Makefile
--- kbd-1.12.orig/src/loadkeys.y	2004-01-16 22:51:25.000000000 +0100
+++ kbd-1.12/src/loadkeys.y	2005-08-06 08:24:13.000000000 +0200
@@ -64,6 +64,7 @@
 static void do_constant_key (int, u_short);
 static void loadkeys(void);
 static void mktable(void);
+static void bkeymap(void);
 static void strings_as_usual(void);
 static void keypad_as_usual(char *keyboard);
 static void function_keys_as_usual(char *keyboard);
@@ -253,6 +254,7 @@
 "	-d --default	  load \"" DEFMAP "\"\n"
 "	-h --help	  display this help text\n"
 "	-m --mktable      output a \"defkeymap.c\" to stdout\n"
+"	-b --bkeymap      output a binary keymap to stdout\n"
 "	-s --clearstrings clear kernel string table\n"
 "	-u --unicode      implicit conversion to Unicode\n"
 "	-v --verbose      report the changes\n"), VERSION);
@@ -260,6 +262,7 @@
 }
 
 char **args;
+int optb = 0;
 int optd = 0;
 int optm = 0;
 int opts = 0;
@@ -269,8 +272,9 @@
 
 int
 main(unsigned int argc, char *argv[]) {
-	const char *short_opts = "cdhmsuqvV";
+	const char *short_opts = "bcdhmsuqvV";
 	const struct option long_opts[] = {
+		{ "bkeymap",    no_argument, NULL, 'b' },
 		{ "clearcompose", no_argument, NULL, 'c' },
 	        { "default",    no_argument, NULL, 'd' },
 		{ "help",	no_argument, NULL, 'h' },
@@ -289,6 +293,9 @@
 	while ((c = getopt_long(argc, argv,
 		short_opts, long_opts, NULL)) != -1) {
 		switch (c) {
+		        case 'b':
+		                optb = 1;
+				break;
 		        case 'c':
 		                nocompose = 1;
 				break;
@@ -330,6 +337,8 @@
 	do_constant();
 	if(optm)
 	        mktable();
+	else if(optb)
+	        bkeymap();
 	else
 	        loadkeys();
 	exit(0);
@@ -1220,3 +1229,28 @@
 
 	exit(0);
 }
+
+static void
+bkeymap () {
+	int i, j;
+
+	u_char *p;
+	char flag, magic[] = "bkeymap";
+	unsigned short v;
+
+	write(1, magic, 7);
+	for (i = 0; i < MAX_NR_KEYMAPS; i++) {
+		flag = key_map[i]? 1 : 0;
+		write(1, &flag, 1);
+	}
+	for (i = 0; i < MAX_NR_KEYMAPS; i++) {
+		if (key_map[i]) {
+			for (j = 0; j < NR_KEYS / 2; j++) {
+				v = key_map[i][j];
+				write(1, &v, 2);
+			}
+		}
+	}
+	exit(0);
+}
+