From 24f6e84559c1b116844e0ff7b68cea007c5e5075 Mon Sep 17 00:00:00 2001
From: Giuseppe Bilotta <giuseppe.bilotta@gmail.com>
Date: Mon, 26 Jun 2006 15:35:24 +0000
Subject: Fix issue #71 with the proposed patch

---
 lib/rbot/dbhash.rb | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'lib')

diff --git a/lib/rbot/dbhash.rb b/lib/rbot/dbhash.rb
index e687cebf..3168f208 100644
--- a/lib/rbot/dbhash.rb
+++ b/lib/rbot/dbhash.rb
@@ -10,7 +10,10 @@ end
 module BDB
   class CIBtree < Btree
     def bdb_bt_compare(a, b)
-      a.downcase <=> b.downcase
+      if a == nil || b == nil
+        debug "CIBTree: WARNING: comparing #{a.inspect} (#{self[a].inspect}) with #{b.inspect} (#{self[b].inspect})"
+      end
+      (a||'').downcase <=> (b||'').downcase
     end
   end
 end
-- 
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