From b3c9e878a88866f035822406f53ae9f5b165ce96 Mon Sep 17 00:00:00 2001
From: tromey <tromey@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 10 Mar 2006 23:09:23 +0000
Subject: libjava 	PR libgcj/25713: 	* java/util/zip/Deflater.java
 (flush): New method. 	* sources.am, Makefile.in: Rebuilt. 	*
 java/util/zip/DeflaterOutputStream.java: Removed. 	*
 java/util/zip/InflaterInputStream.java: Likewise. 	*
 java/util/zip/GZIPInputStream.java: Likewise. 	*
 java/util/zip/GZIPOutputStream.java: Likewise. libjava/classpath 	For PR
 libgcj/25713: 	* java/util/zip/InflaterInputStream.java (read): Replaced with
 	libgcj implementation.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111949 138bc75d-0d04-0410-961f-82ee72b054a4
---
 .../java/util/zip/InflaterInputStream.java         | 30 ++++++++++++----------
 1 file changed, 17 insertions(+), 13 deletions(-)

(limited to 'libjava/classpath/java/util/zip')

diff --git a/libjava/classpath/java/util/zip/InflaterInputStream.java b/libjava/classpath/java/util/zip/InflaterInputStream.java
index 3c374570602..08c1fd75a0b 100644
--- a/libjava/classpath/java/util/zip/InflaterInputStream.java
+++ b/libjava/classpath/java/util/zip/InflaterInputStream.java
@@ -1,5 +1,5 @@
 /* InflaterInputStream.java - Input stream filter for decompressing
-   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004
+   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2006
    Free Software Foundation, Inc.
 
 This file is part of GNU Classpath.
@@ -186,31 +186,35 @@ public class InflaterInputStream extends FilterInputStream
       throw new IOException("stream closed");
     if (len == 0)
       return 0;
+    if (inf.finished())
+      return -1;
 
     int count = 0;
-    for (;;)
+    while (count == 0)
       {
+	if (inf.needsInput())
+	  fill();
 	
 	try
 	  {
 	    count = inf.inflate(b, off, len);
+	    if (count == 0)
+	      {
+		if (this.len == -1)
+		  {
+		    // Couldn't get any more data to feed to the Inflater
+		    return -1;
+		  }
+		if (inf.needsDictionary())
+		  throw new ZipException("Inflater needs Dictionary");
+	      }
 	  } 
 	catch (DataFormatException dfe) 
 	  {
 	    throw new ZipException(dfe.getMessage());
 	  }
-
-	if (count > 0)
-	  return count;
-	
-	if (inf.needsDictionary()
-	    | inf.finished())
-	  return -1;
-	else if (inf.needsInput())
-	  fill();
-	else
-	  throw new InternalError("Don't know what to do");
       }
+    return count;
   }
 
   /**
-- 
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