From 7cb6f4d9995fc11323dbe229a10da3dccc361ed4 Mon Sep 17 00:00:00 2001
From: Stefan Bodewig <bodewig@apache.org>
Date: Tue, 30 Jun 2009 04:26:56 +0000
Subject: [PATCH] clear out buffer so the last block is always filled with EOF
 records.  PR 47421

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@789556 13f79535-47bb-0310-9956-ffa450edef68
---
 WHATSNEW                                     | 4 ++++
 src/main/org/apache/tools/tar/TarBuffer.java | 1 +
 2 files changed, 5 insertions(+)

diff --git a/WHATSNEW b/WHATSNEW
index a0cafee24..75010cf3a 100644
--- a/WHATSNEW
+++ b/WHATSNEW
@@ -388,6 +388,10 @@ Fixed bugs:
  * <loadproperties>' encoding attribute didn't work.
    Bugzilla Report 47382.
 
+ * Ant created tar archives could contain random bytes at the end
+   which confused some untar implementations.
+   Bugzilla Report 47421.
+
 Other changes:
 --------------
  * A HostInfo task was added performing information on hosts, including info on 
diff --git a/src/main/org/apache/tools/tar/TarBuffer.java b/src/main/org/apache/tools/tar/TarBuffer.java
index 528bc330f..fa619fb03 100644
--- a/src/main/org/apache/tools/tar/TarBuffer.java
+++ b/src/main/org/apache/tools/tar/TarBuffer.java
@@ -412,6 +412,7 @@ public class TarBuffer {
 
         currRecIdx = 0;
         currBlkIdx++;
+        Arrays.fill(blockBuffer, (byte) 0);
     }
 
     /**