Handle missing rec-point tree in a uniform way: return null pointer to TEvePointSet.

[u/mrichter/AliRoot.git] / EVE / alice-macros / event_prev.C

diff --git a/EVE/alice-macros/event_prev.C b/EVE/alice-macros/event_prev.C
index f6a7864c5269ff4e7687185c89de0bd6f5822d98..0ba6b55f38d4d00cef90ccdebe45e3a57f65ec69 100644 (file)
--- a/EVE/alice-macros/event_prev.C
+++ b/EVE/alice-macros/event_prev.C
@@ -1,8 +1,17 @@
+// $Id$
+// Main authors: Matevz Tadel & Alja Mrak-Tadel: 2006, 2007
+
+/**************************************************************************
+ * Copyright(c) 1998-2008, ALICE Experiment at CERN, all rights reserved. *
+ * See http://aliceinfo.cern.ch/Offline/AliRoot/License.html for          *
+ * full copyright notice.                                                 *
+ **************************************************************************/
+
 void event_prev()
 {
-  if(Alieve::gEvent == 0) {
-    printf("Event not set!\n");
+  if (gAliEveEvent == 0) {
+    printf("AliEveEventManager is not initialized!\n");
     return;
   }
-  Alieve::gEvent->PrevEvent();
+  gAliEveEvent->PrevEvent();
 }