X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=lib%2Frbot%2Fdbhash.rb;h=3168f208f1a30c6601310ccc54b1bb7577fd3967;hb=1676abaf61c9b6c40714e00d6637e3a73d8b527b;hp=e687cebf8ee4e2224862348a64a1e9c7f2caaa8b;hpb=5b55193a4263464efd71279dddf57a1a14dd22e4;p=user%2Fhenk%2Fcode%2Fruby%2Frbot.git

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