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authorGravatar Eric Andersen <andersen@codepoet.org>2000-07-11 17:29:36 +0000
committerGravatar Eric Andersen <andersen@codepoet.org>2000-07-11 17:29:36 +0000
commit61dc0571832b88097192a8c0eab190a44c577371 (patch)
treee8d48007f5e86b1fe04d3b4f4b56d53c6ef35eeb /console-tools
parentdf5f6ba1159f8c1af500fa1b8eb9c9646e4de2a6 (diff)
downloadbusybox-61dc0571832b88097192a8c0eab190a44c577371.tar.gz
busybox-61dc0571832b88097192a8c0eab190a44c577371.tar.bz2
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
Diffstat (limited to 'console-tools')
-rw-r--r--console-tools/dumpkmap.c100
-rw-r--r--console-tools/loadkmap.c2
2 files changed, 101 insertions, 1 deletions
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
;