1 files changed, 43 insertions, 0 deletions
diff --git a/doc/misc/format-options.pl b/doc/misc/format-options.pl
new file mode 100644
index 0000000..f4a36c2
--- /dev/null
+++ b/doc/misc/format-options.pl
@@ -0,0 +1,43 @@
+#!/usr/bin/perl
+
+# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+#
+# SPDX-License-Identifier: MPL-2.0
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0.  If a copy of the MPL was not distributed with this
+# file, you can obtain one at https://mozilla.org/MPL/2.0/.
+#
+# See the COPYRIGHT file distributed with this work for additional
+# information regarding copyright ownership.
+
+print <<END;
+
+This is a summary of the named.conf options supported by
+this version of BIND 9.
+
+END
+
+# Break long lines
+while (<>) {
+	chomp;
+	s/\t/        /g;
+	my $line = $_;
+	m!^( *)!;
+	my $indent = $1;
+	my $comment = "";
+	if ( $line =~ m!//.*! ) {
+		$comment = $&;
+		$line =~ s!//.*!!;
+	}
+	my $start = "";
+	while (length($line) >= 79 - length($comment)) {
+		$_ = $line;
+		# this makes sure that the comment has something in front of it
+		$len = 75 - length($comment);
+		m!^(.{0,$len}) (.*)$!;
+		$start = $start.$1."\n";
+		$line = $indent."    ".$2;
+	}
+	print $start.$line.$comment."\n";
+}