From 944109b369e9a14a2f8e3c6f0555be100e1b84cf Mon Sep 17 00:00:00 2001
From: Nick Burch <nick@apache.org>
Date: Thu, 21 Apr 2011 15:37:22 +0000
Subject: [PATCH] Fix bug #51100 - Fix IOUtils issue for NPOIFS reading from an
 InputStream where every block is full

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1095753 13f79535-47bb-0310-9956-ffa450edef68
---
 src/documentation/content/xdocs/status.xml | 1 +
 src/java/org/apache/poi/util/IOUtils.java  | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/documentation/content/xdocs/status.xml b/src/documentation/content/xdocs/status.xml
index 45bd6658c..f10d4d36e 100644
--- a/src/documentation/content/xdocs/status.xml
+++ b/src/documentation/content/xdocs/status.xml
@@ -34,6 +34,7 @@
 
     <changes>
         <release version="3.8-beta3" date="2011-??-??">
+           <action dev="poi-developers" type="fix">51100 - Fix IOUtils issue for NPOIFS reading from an InputStream where every block is full</action>
            <action dev="poi-developers" type="fix">50956 - Correct XSSF cell style cloning between workbooks</action>
            <action dev="poi-developers" type="add">Add get/setForceFormulaRecalculation for XSSF, and promote the methods to the common usermodel Sheet</action>
            <action dev="poi-developers" type="fix">Tweak the logic for sizing the HSSFCells array on a HSSFRow to reduce memory over allocation in many use cases</action>
diff --git a/src/java/org/apache/poi/util/IOUtils.java b/src/java/org/apache/poi/util/IOUtils.java
index c3c8fa1ac..d67bde264 100644
--- a/src/java/org/apache/poi/util/IOUtils.java
+++ b/src/java/org/apache/poi/util/IOUtils.java
@@ -110,7 +110,7 @@ public final class IOUtils {
             return (total == 0) ? -1 : total;
          }
          total += got;
-         if (total == b.capacity()) {
+         if (total == b.capacity() || b.position() == b.capacity()) {
             return total;
          }
       }