From 0a4f60f28c6f8954493732f0f57ab0b097faf842 Mon Sep 17 00:00:00 2001
From: Tim FitzGeorge <ipfr@tfitzgeorge.me.uk>
Date: Fri, 4 Mar 2022 22:11:48 +0100
Subject: [PATCH] ipblocklist-functions.pl: Add helper function to proper
 calculate the hashsize.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
---
 config/cfgroot/ipblocklist-functions.pl | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/config/cfgroot/ipblocklist-functions.pl b/config/cfgroot/ipblocklist-functions.pl
index 9420fc948c..6da371a004 100644
--- a/config/cfgroot/ipblocklist-functions.pl
+++ b/config/cfgroot/ipblocklist-functions.pl
@@ -314,4 +314,18 @@ sub parse_dshield( $ ) {
 	# Return the obtained network.
 	return "$1/$2";
 }
+
+#
+## Helper function to proper calculate the hashsize.
+#
+sub _calculate_hashsize($) {
+	my ($list_entries) = @_;
+
+	my $hashsize = 1;
+	$hashsize  <<= 1 while ($hashsize < $list_entries);
+
+	# Return the calculated hashsize.
+	return $hashsize;
+}
+
 1;
-- 
2.39.5