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diff --git a/libjava/classpath/java/util/zip/CheckedInputStream.java b/libjava/classpath/java/util/zip/CheckedInputStream.java
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-/* CheckedInputStream.java - Compute checksum of data being read
- Copyright (C) 1999, 2000, 2004 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
-
-GNU Classpath is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.util.zip;
-
-import java.io.FilterInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-
-/* Written using on-line Java Platform 1.2 API Specification
- * and JCL book.
- * Believed complete and correct.
- */
-
-/**
- * InputStream that computes a checksum of the data being read using a
- * supplied Checksum object.
- *
- * @see Checksum
- *
- * @author Tom Tromey
- * @date May 17, 1999
- */
-public class CheckedInputStream extends FilterInputStream
-{
- /**
- * Creates a new CheckInputStream on top of the supplied OutputStream
- * using the supplied Checksum.
- */
- public CheckedInputStream (InputStream in, Checksum sum)
- {
- super (in);
- this.sum = sum;
- }
-
- /**
- * Returns the Checksum object used. To get the data checksum computed so
- * far call <code>getChecksum.getValue()</code>.
- */
- public Checksum getChecksum ()
- {
- return sum;
- }
-
- /**
- * Reads one byte, updates the checksum and returns the read byte
- * (or -1 when the end of file was reached).
- */
- public int read () throws IOException
- {
- int x = in.read();
- if (x != -1)
- sum.update(x);
- return x;
- }
-
- /**
- * Reads at most len bytes in the supplied buffer and updates the checksum
- * with it. Returns the number of bytes actually read or -1 when the end
- * of file was reached.
- */
- public int read (byte[] buf, int off, int len) throws IOException
- {
- int r = in.read(buf, off, len);
- if (r != -1)
- sum.update(buf, off, r);
- return r;
- }
-
- /**
- * Skips n bytes by reading them in a temporary buffer and updating the
- * the checksum with that buffer. Returns the actual number of bytes skiped
- * which can be less then requested when the end of file is reached.
- */
- public long skip (long n) throws IOException
- {
- if (n == 0)
- return 0;
-
- int min = (int) Math.min(n, 1024);
- byte[] buf = new byte[min];
-
- long s = 0;
- while (n > 0)
- {
- int r = in.read(buf, 0, min);
- if (r == -1)
- break;
- n -= r;
- s += r;
- min = (int) Math.min(n, 1024);
- sum.update(buf, 0, r);
- }
-
- return s;
- }
-
- /** The checksum object. */
- private Checksum sum;
-}