From dc2f752f11ded6aa7662bfaed217a164962f2a70 Mon Sep 17 00:00:00 2001
From: Jesse Vincent <jesse@fsck.com>
Date: Tue, 15 Dec 2009 17:40:04 +0000
Subject: [PATCH] Bulletproofing against running IMAP Copy/Move commands with
 null messagelists. Fixes Issue 914

---
 src/com/fsck/k9/mail/store/ImapStore.java | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/com/fsck/k9/mail/store/ImapStore.java b/src/com/fsck/k9/mail/store/ImapStore.java
index 9eb80e50b..f897a1e36 100644
--- a/src/com/fsck/k9/mail/store/ImapStore.java
+++ b/src/com/fsck/k9/mail/store/ImapStore.java
@@ -698,6 +698,10 @@ public class ImapStore extends Store
             {
                 throw new MessagingException("ImapFolder.copyMessages passed non-ImapFolder");
             }
+
+            if (messages.length == 0) 
+                return;
+
             ImapFolder iFolder = (ImapFolder)folder;
             checkOpen();
             String[] uids = new String[messages.length];
@@ -720,12 +724,17 @@ public class ImapStore extends Store
         @Override
         public void moveMessages(Message[] messages, Folder folder) throws MessagingException
         {
+            if (messages.length == 0) 
+                return;
             copyMessages(messages, folder);
             setFlags(messages, new Flag[] { Flag.DELETED }, true);
         }
 
         public void delete(Message[] messages, String trashFolderName) throws MessagingException
         {
+            if (messages.length == 0) 
+                return;
+
             if (getName().equals(trashFolderName))
             {
                 setFlags(messages, new Flag[] { Flag.DELETED }, true);