X-Git-Url: https://jasonwoof.com/gitweb/?p=wfpl.git;a=blobdiff_plain;f=binary.php;h=2fd2a7627a2b289974dcb6576c61080555f6a8f1;hp=bc0a3aab61d0aa527a05121372be3e4b99b22d65;hb=HEAD;hpb=9f8ed1dba7b2bb0319ab69f843f20e0d45ff736c

diff --git a/binary.php b/binary.php
index bc0a3aa..2fd2a76 100644
--- a/binary.php
+++ b/binary.php
@@ -1,22 +1,9 @@
 <?php
 
-#  Copyright (C) 2007 Jason Woofenden
-#
-#  This file is part of wfpl.
-#
-#  wfpl is free software; you can redistribute it and/or modify it under the
-#  terms of the GNU Lesser General Public License as published by the Free
-#  Software Foundation; either version 2.1 of the License, or (at your option)
-#  any later version.
-#
-#  wfpl 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 Lesser General Public License for
-#  more details.
-#
-#  You should have received a copy of the GNU Lesser General Public License
-#  along with wfpl; if not, write to the Free Software Foundation, Inc., 51
-#  Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+# This program is in the public domain within the United States. Additionally,
+# we waive copyright and related rights in the work worldwide through the CC0
+# 1.0 Universal public domain dedication, which can be found at
+# http://creativecommons.org/publicdomain/zero/1.0/
 
 
 # This file contains code to work with "raw" binary numbers in big-endian format
@@ -44,4 +31,23 @@ function pop_int(&$string) {
 	return $int;
 }
 
-?>
+# convert an array (not hash) to a string of bytes
+function array_to_raw($data) {
+	$ret = to_raw_int(count($data));
+	foreach($data as $dat) {
+		$ret .= to_raw_int(strlen($dat));
+		$ret .= $dat;
+	}
+	return $ret;
+}
+
+function raw_to_array($data) {
+	$header_count = pop_int($data);
+	$ret = array();
+	while($header_count--) {
+		$size = pop_int($data);
+		$ret[] = substr($data, 0, $size);
+		$data = substr($data, $size);
+	}
+	return $ret;
+}