1 files changed, 9 insertions, 0 deletions
diff --git a/cpp/src/qpid/framing/AccumulatedAck.cpp b/cpp/src/qpid/framing/AccumulatedAck.cpp
index 9daae5494c..219a68b96c 100644
--- a/cpp/src/qpid/framing/AccumulatedAck.cpp
+++ b/cpp/src/qpid/framing/AccumulatedAck.cpp
@@ -100,6 +100,15 @@ void AccumulatedAck::collectRanges(SequenceNumberSet& set) const
     }
 }
 
+void AccumulatedAck::update(const SequenceNumber cumulative, const SequenceNumberSet& range)
+{
+    update(mark, cumulative);
+    for (SequenceNumberSet::const_iterator i = range.begin(); i != range.end(); i++) {
+        update(*i, *(++i));
+    }
+}
+
+
 bool Range::contains(SequenceNumber i) const 
 { 
     return i >= start && i <= end;