From a6627ef7afbee6ab015d9f8b75e96cd59809bb59 Mon Sep 17 00:00:00 2001
From: minima <minima>
Date: Mon, 9 Oct 2006 15:01:40 +0000
Subject: [PATCH] fix problems with empty/corrupt filters

---
 Changes        |  2 ++
 perl/Filter.pm | 12 ++++++++++--
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/Changes b/Changes
index 9e9106dc..00e5fb9c 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,5 @@
+09Oct06=======================================================================
+1. fix problems with bad filters pointed by Thomas DL3SBB.
 27Jul06=======================================================================
 1. merge in official issue version of wpxloc.raw (with one change: 4U1V).
 26Jul06=======================================================================
diff --git a/perl/Filter.pm b/perl/Filter.pm
index a2f5ce46..3009883b 100644
--- a/perl/Filter.pm
+++ b/perl/Filter.pm
@@ -116,17 +116,25 @@ sub read_in
 		$in = undef; 
 		my $s = readfilestr($fn);
 		my $newin = eval $s;
-		dbg($@) if $@;
+		if ($@) {
+			dbg($@);
+			unlink($fn);
+			return undef;
+		}
 		if ($in) {
 			$newin = new('Filter::Old', $sort, $call, $flag);
 			$newin->{filter} = $in;
-		} else {
+		} elsif (ref $newin && $newin->can('getfilkeys')) {
 			my $filter;
 			my $key;
 			foreach $key ($newin->getfilkeys) {
 				$newin->compile($key, 'reject');
 				$newin->compile($key, 'accept');
 			}
+		} else {
+			# error on reading file, delete and exit
+			unlink($fn);
+			return undef;
 		}
 		return $newin;
 	}
-- 
2.43.0