[Zope-Checkins] CVS: Zope3/lib/python/Persistence/BTrees - SetOpTemplate.c:1.7

[Tim Peters]

Update of /cvs-repository/Zope3/lib/python/Persistence/BTrees
In directory cvs.zope.org:/tmp/cvs-serv9792

Modified Files:
	SetOpTemplate.c 
Log Message:
multiunion():  Don't bother with bucket_append() when an input set/bucket
is empty.


=== Zope3/lib/python/Persistence/BTrees/SetOpTemplate.c 1.6 => 1.7 ===
         {
             Bucket *b = BUCKET(set);
-            int status;
+            int status = 0;
 
             UNLESS (PER_USE(b)) goto Error;
-            status = bucket_append(result, b, 0, b->len, 0, i < n-1);
+            if (b->len)
+                status = bucket_append(result, b, 0, b->len, 0, i < n-1);
             PER_UNUSE(b);
             if (status < 0) goto Error;
         }