From c635cc9c9e9ce87b49d6fcbf1e796a0896b9905b Mon Sep 17 00:00:00 2001
From: Tom Eastep <teastep@shorewall.net>
Date: Fri, 30 Dec 2011 10:27:58 -0800
Subject: [PATCH] Reduce the size of many configs by not copying long chains
 multiple times.

Signed-off-by: Tom Eastep <teastep@shorewall.net>
---
 Shorewall/Perl/Shorewall/Chains.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Shorewall/Perl/Shorewall/Chains.pm b/Shorewall/Perl/Shorewall/Chains.pm
index c88dfe321..6d9511a40 100644
--- a/Shorewall/Perl/Shorewall/Chains.pm
+++ b/Shorewall/Perl/Shorewall/Chains.pm
@@ -2780,7 +2780,7 @@ sub optimize_level4( $$ ) {
 		# Last rule is a simple branch
 		my $targetref = $tableref->{$lastrule->{target}};
 
-		if ( $targetref && ! ( $targetref->{builtin} || $targetref->{dont_move} ) ) {
+		if ( $targetref && ! ( $targetref->{builtin} || $targetref->{dont_move} ) && ( keys %{$targetref->{references}} < 2 || @{$targetref->{rules}} < 4 ) ) {
 		    copy_rules( $targetref, $chainref );
 		    $progress = 1;
 		}