From 81b0c316cda14629821005cba5ce34c80ccd61d2 Mon Sep 17 00:00:00 2001
From: frsyuki <frsyuki@users.sourceforge.jp>
Date: Sun, 30 May 2010 01:39:48 +0900
Subject: [PATCH] java: Unpacker: rewind internal buffer on filled <= offset

---
 java/src/main/java/org/msgpack/Unpacker.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/java/src/main/java/org/msgpack/Unpacker.java b/java/src/main/java/org/msgpack/Unpacker.java
index 39bd8fa6..f22c58b6 100644
--- a/java/src/main/java/org/msgpack/Unpacker.java
+++ b/java/src/main/java/org/msgpack/Unpacker.java
@@ -288,6 +288,12 @@ public class Unpacker implements Iterable<Object> {
 			return;
 		}
 
+		if(impl.filled <= impl.offset) {
+			// rewind the buffer
+			impl.filled = 0;
+			impl.offset = 0;
+		}
+
 		if(impl.buffer.length - impl.filled >= require) {
 			return;
 		}