/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.commons.compress.utils;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

/**
 * Utility functions
 * @Immutable
 */
public final class IOUtils {

	/**
     * Copies the content of a InputStream into an OutputStream.
     * Uses a default buffer size of 8024 bytes.
     * 
     * @param input
     *            the InputStream to copy
     * @param output
     *            the target Stream
     * @throws IOException
     *             if an error occurs
     */
    public static void copy(final InputStream input, final OutputStream output) throws IOException {
        copy(input, output, 8024);
    }
    
    /**
     * Copies the content of a InputStream into an OutputStream
     * 
     * @param input
     *            the InputStream to copy
     * @param output
     *            the target Stream
     * @param buffersize
     *            the buffer size to use
     * @throws IOException
     *             if an error occurs
     */
    public static void copy(final InputStream input, final OutputStream output, int buffersize) throws IOException {
        final byte[] buffer = new byte[buffersize];
        int n = 0;
        while (-1 != (n = input.read(buffer))) {
            output.write(buffer, 0, n);
        }
    }
}

@@ -1331,36 +1331,36 @@
   public static 
-void
+long
  copy(final Inpu
@@ -1430,16 +1430,23 @@
         
+return 
 copy(inp
@@ -1835,12 +1835,12 @@
 tic 
-void
+long
  cop
@@ -2001,16 +2001,38 @@
  n = 0;%0A
+        long count=0;%0A
         
@@ -2116,22 +2116,68 @@
 n);%0A        
-%7D
+    count += n;%0A        %7D%0A        return count;
 %0A    %7D%0A%7D%0A

Return count of bytes copied