Added 'dumpkmap' to allow people to dump a binary keymap, which can then be

loaded in by 'loadkmap' -- submitted by Arne Bernin <arne@matrix.loopback.org>
 -Erik

11 files changed, 248 insertions, 14 deletions

diff --git a/Changelog b/Changelog
index 5d8680390..af2320668 100644
--- a/Changelog
+++ b/Changelog
@@ -41,6 +41,9 @@
             couldn't maintain it very well, so including it was not really
             very appropriate.  Those wanting an fdisk are invited to
             grab a copy from util-linux.
+        * Added 'dumpkmap' to allow people to dump a binary keymap, which can 
+            then be loaded in by 'loadkmap' -- submitted by
+            Arne Bernin <arne@matrix.loopback.org>
         * Fixed NFS so it supports 2.4.x kernels and NFSv3.
 
 
diff --git a/applets/busybox.c b/applets/busybox.c
index 44fa16994..5471db597 100644
--- a/applets/busybox.c
+++ b/applets/busybox.c
@@ -87,6 +87,9 @@ const struct BB_applet applets[] = {
 #ifdef BB_DU
         {"du", du_main, _BB_DIR_BIN},
 #endif
+#ifdef BB_DUMPKMAP
+        {"dumpkmap", dumpkmap_main, _BB_DIR_BIN},
+#endif
 #ifdef BB_DUTMP
         {"dutmp", dutmp_main, _BB_DIR_USR_SBIN},
 #endif
diff --git a/busybox.c b/busybox.c
index 44fa16994..5471db597 100644
--- a/busybox.c
+++ b/busybox.c
@@ -87,6 +87,9 @@ const struct BB_applet applets[] = {
 #ifdef BB_DU
         {"du", du_main, _BB_DIR_BIN},
 #endif
+#ifdef BB_DUMPKMAP
+        {"dumpkmap", dumpkmap_main, _BB_DIR_BIN},
+#endif
 #ifdef BB_DUTMP
         {"dutmp", dutmp_main, _BB_DIR_USR_SBIN},
 #endif
diff --git a/busybox.def.h b/busybox.def.h
index 0f2bcefeb..854de1466 100644
--- a/busybox.def.h
+++ b/busybox.def.h
@@ -25,6 +25,7 @@
 #define BB_DMESG
 #define BB_DUTMP
 #define BB_DU
+#define BB_DUMPKMAP
 #define BB_ECHO
 #define BB_FBSET
 #define BB_FDFLUSH
diff --git a/console-tools/dumpkmap.c b/console-tools/dumpkmap.c
new file mode 100644
index 000000000..a497a07d1
--- /dev/null
+++ b/console-tools/dumpkmap.c
@@ -0,0 +1,100 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini dumpkmap implementation for busybox
+ *
+ * Copyright (C) Arne Bernin <arne@matrix.loopback.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "internal.h"
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+
+/* From <linux/kd.h> */
+struct kbentry {
+        unsigned char kb_table;
+        unsigned char kb_index;
+        unsigned short kb_value;
+};
+#define KDGKBENT        0x4B46  /* gets one entry in translation table */
+
+/* From <linux/keyboard.h> */
+#define NR_KEYS         128
+#define MAX_NR_KEYMAPS  256
+
+
+static const char dumpkmap_usage[] = "dumpkmap\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+        "\nPrints out a binary keyboard translation table to standard input.\n"
+#endif
+        ;
+
+
+int dumpkmap_main(int argc, char **argv)
+{
+        struct kbentry ke;
+        int i, j, fd;
+        char flags[MAX_NR_KEYMAPS], magic[] = "bkeymap";
+
+        if (argc>=2 && *argv[1]=='-') {
+                usage(dumpkmap_usage);
+        }
+
+        fd = open("/dev/tty0", O_RDWR);
+        if (fd < 0) {
+                fprintf(stderr, "Error opening /dev/tty0: %s\n", strerror(errno));
+                return 1;
+        }
+
+        write(1, magic, 7);
+
+        for (i=0; i < MAX_NR_KEYMAPS; i++) flags[i]=0;
+        flags[0]=1; 
+        flags[1]=1;
+        flags[2]=1;
+        flags[4]=1;
+        flags[5]=1;
+        flags[6]=1;
+        flags[8]=1;
+        flags[9]=1;
+        flags[10]=1;
+        flags[12]=1;
+        
+        /* dump flags */
+        for (i=0; i < MAX_NR_KEYMAPS; i++) write(1,&flags[i],1); 
+
+        for (i = 0; i < MAX_NR_KEYMAPS; i++) {
+                if (flags[i] == 1) {
+                        for (j = 0; j < NR_KEYS; j++) {
+                                ke.kb_index = j;
+                                ke.kb_table = i;
+                                if (ioctl(fd, KDGKBENT, &ke) < 0) {
+                                
+                                        fprintf(stderr, "ioctl returned: %s, %s, %s, %xqq\n",strerror(errno),(char *)&ke.kb_index,(char *)&ke.kb_table,(int)&ke.kb_value);
+                                        }
+                                else {
+                                        write(1,&ke.kb_value,2);        
+                                        }       
+                                
+                        }
+                }
+        }
+        close(fd);
+        return 0;
+}
diff --git a/console-tools/loadkmap.c b/console-tools/loadkmap.c
index 0e8c090d2..c2e4c94ed 100644
--- a/console-tools/loadkmap.c
+++ b/console-tools/loadkmap.c
@@ -41,7 +41,7 @@ struct kbentry {
 
 static const char loadkmap_usage[] = "loadkmap\n"
 #ifndef BB_FEATURE_TRIVIAL_HELP
-        "Loads a binary keyboard translation table from standard input.\n"
+        "\nLoads a binary keyboard translation table from standard input.\n"
 #endif
         ;
 
diff --git a/docs/busybox.pod b/docs/busybox.pod
index b36619909..0e611deef 100644
--- a/docs/busybox.pod
+++ b/docs/busybox.pod
@@ -56,7 +56,7 @@ terse runtime description of their behavior.
 Currently defined functions include:
 
 ar, basename, cat, chgrp, chmod, chown, chroot, chvt, clear, cp, cut, date,
-dc, dd, deallocvt, df, dirname, dmesg, du, dutmp, echo, false, fbset,
+dc, dd, deallocvt, df, dirname, dmesg, du, dumpkmap, dutmp, echo, false, fbset,
 fdflush, find, free, freeramdisk, fsck.minix, grep, gunzip, gzip, halt,
 head, hostid, hostname, id, init, insmod, kill, killall, length, ln,
 loadacm, loadfont, loadkmap, logger, logname, ls, lsmod, makedevs, mkdir,
@@ -440,6 +440,14 @@ Example:
 
 -------------------------------
 
+=item dumpkmap
+
+Usage: dumpkmap
+
+Prints out a binary keyboard translation table to standard input.
+
+-------------------------------
+
 =item dutmp
 
 Usage: dutmp [FILE]
@@ -2020,4 +2028,4 @@ Enrique Zanardi <ezanardi@ull.es>
 
 =cut
 
-# $Id: busybox.pod,v 1.55 2000/07/08 00:09:30 andersen Exp $
+# $Id: busybox.pod,v 1.56 2000/07/11 17:29:36 andersen Exp $
diff --git a/docs/busybox.sgml b/docs/busybox.sgml
index ca76b0f59..92b02c9ee 100644
--- a/docs/busybox.sgml
+++ b/docs/busybox.sgml
@@ -132,16 +132,19 @@
                 </para>
 
                 <para>
-                ar, basename, cat, chgrp, chmod, chown, chroot, chvt, clear, cp, cut, date,
-                dc, dd, deallocvt, df, dirname, dmesg, du, dutmp, echo, false, fbset,
-                fdflush, find, free, freeramdisk, fsck.minix, grep, gunzip, gzip, halt,
-                head, hostid, hostname, id, init, insmod, kill, killall, length, ln,
-                loadacm, loadfont, loadkmap, logger, logname, ls, lsmod, makedevs, mkdir,
-                mkfifo, mkfs.minix, mknod, mkswap, mktemp, more, mount, mt, mv, nc,
-                nslookup, ping, poweroff, printf, ps, pwd, reboot, rm, rmdir, rmmod, sed,
-                setkeycodes, sh, sleep, sort, swapoff, swapon, sync, syslogd, tail,
-                tar, tee, telnet, test, touch, tr, true, tty, umount, uname, uniq, update,
-                uptime, usleep, uudecode, uuencode, wc, which, whoami, yes, zcat, [
+                ar, basename, cat, chgrp, chmod, chown, chroot, chvt, clear,
+                cp, cut, date, dc, dd, deallocvt, df, dirname, dmesg, du,
+                dumpkmap, dutmp, echo, false, fbset, fdflush, find, free,
+                freeramdisk, fsck.minix, grep, gunzip, gzip, halt, head,
+                hostid, hostname, id, init, insmod, kill, killall, length, ln,
+                loadacm, loadfont, loadkmap, logger, logname, ls, lsmod,
+                makedevs, mkdir, mkfifo, mkfs.minix, mknod, mkswap, mktemp,
+                more, mount, mt, mv, nc, nslookup, ping, poweroff, printf, ps,
+                pwd, reboot, rm, rmdir, rmmod, sed, setkeycodes, sh, sleep,
+                sort, swapoff, swapon, sync, syslogd, tail, tar, tee, telnet,
+                test, touch, tr, true, tty, umount, uname, uniq, update,
+                uptime, usleep, uudecode, uuencode, wc, which, whoami, yes,
+                zcat, [
                 </para>
         </sect1>
 
@@ -783,6 +786,18 @@
                 </para>
         </sect1>
 
+        <sect1 id="dumpkmap">
+            <title>dumpkmap</title>
+
+                <para>
+                Usage: dumpkmap
+                </para>
+
+                <para>
+                Prints out a binary keyboard translation table to standard input.
+                </para>
+        </sect1>
+
         <sect1 id="dutmp">
             <title>dutmp</title>
 
diff --git a/dumpkmap.c b/dumpkmap.c
new file mode 100644
index 000000000..a497a07d1
--- /dev/null
+++ b/dumpkmap.c
@@ -0,0 +1,100 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Mini dumpkmap implementation for busybox
+ *
+ * Copyright (C) Arne Bernin <arne@matrix.loopback.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include "internal.h"
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+
+/* From <linux/kd.h> */
+struct kbentry {
+        unsigned char kb_table;
+        unsigned char kb_index;
+        unsigned short kb_value;
+};
+#define KDGKBENT        0x4B46  /* gets one entry in translation table */
+
+/* From <linux/keyboard.h> */
+#define NR_KEYS         128
+#define MAX_NR_KEYMAPS  256
+
+
+static const char dumpkmap_usage[] = "dumpkmap\n"
+#ifndef BB_FEATURE_TRIVIAL_HELP
+        "\nPrints out a binary keyboard translation table to standard input.\n"
+#endif
+        ;
+
+
+int dumpkmap_main(int argc, char **argv)
+{
+        struct kbentry ke;
+        int i, j, fd;
+        char flags[MAX_NR_KEYMAPS], magic[] = "bkeymap";
+
+        if (argc>=2 && *argv[1]=='-') {
+                usage(dumpkmap_usage);
+        }
+
+        fd = open("/dev/tty0", O_RDWR);
+        if (fd < 0) {
+                fprintf(stderr, "Error opening /dev/tty0: %s\n", strerror(errno));
+                return 1;
+        }
+
+        write(1, magic, 7);
+
+        for (i=0; i < MAX_NR_KEYMAPS; i++) flags[i]=0;
+        flags[0]=1; 
+        flags[1]=1;
+        flags[2]=1;
+        flags[4]=1;
+        flags[5]=1;
+        flags[6]=1;
+        flags[8]=1;
+        flags[9]=1;
+        flags[10]=1;
+        flags[12]=1;
+        
+        /* dump flags */
+        for (i=0; i < MAX_NR_KEYMAPS; i++) write(1,&flags[i],1); 
+
+        for (i = 0; i < MAX_NR_KEYMAPS; i++) {
+                if (flags[i] == 1) {
+                        for (j = 0; j < NR_KEYS; j++) {
+                                ke.kb_index = j;
+                                ke.kb_table = i;
+                                if (ioctl(fd, KDGKBENT, &ke) < 0) {
+                                
+                                        fprintf(stderr, "ioctl returned: %s, %s, %s, %xqq\n",strerror(errno),(char *)&ke.kb_index,(char *)&ke.kb_table,(int)&ke.kb_value);
+                                        }
+                                else {
+                                        write(1,&ke.kb_value,2);        
+                                        }       
+                                
+                        }
+                }
+        }
+        close(fd);
+        return 0;
+}
diff --git a/internal.h b/internal.h
index 4ef15325e..8086aa1ca 100644
--- a/internal.h
+++ b/internal.h
@@ -117,6 +117,7 @@ extern int deallocvt_main(int argc, char** argv);
 extern int df_main(int argc, char** argv);
 extern int dmesg_main(int argc, char** argv);
 extern int du_main(int argc, char** argv);
+extern int dumpkmap_main(int argc, char** argv);
 extern int dutmp_main(int argc, char** argv);
 extern int echo_main(int argc, char** argv);
 extern int false_main(int argc, char** argv);
diff --git a/loadkmap.c b/loadkmap.c
index 0e8c090d2..c2e4c94ed 100644
--- a/loadkmap.c
+++ b/loadkmap.c
@@ -41,7 +41,7 @@ struct kbentry {
 
 static const char loadkmap_usage[] = "loadkmap\n"
 #ifndef BB_FEATURE_TRIVIAL_HELP
-        "Loads a binary keyboard translation table from standard input.\n"
+        "\nLoads a binary keyboard translation table from standard input.\n"
 #endif
         ;