1 files changed, 0 insertions, 252 deletions
diff --git a/libjava/java/util/zip/GZIPInputStream.java b/libjava/java/util/zip/GZIPInputStream.java
deleted file mode 100644
index d0a053a..0000000
--- a/libjava/java/util/zip/GZIPInputStream.java
+++ /dev/null
@@ -1,252 +0,0 @@
-/* GZIPInputStream.java - Input filter for reading gzip file
-   Copyright (C) 1999, 2000, 2001, 2002, 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.InputStream;
-import java.io.IOException;
-
-/**
- * This filter stream is used to decompress a "GZIP" format stream. 
- * The "GZIP" format is described in RFC 1952.
- *
- * @author John Leuner
- * @author Tom Tromey
- * @since JDK 1.1
- */
-public class GZIPInputStream
-  extends InflaterInputStream
-{
-  /**
-   * The magic number found at the start of a GZIP stream.
-   */
-  public static final int GZIP_MAGIC = 0x8b1f;
-
-  static final int Z_DEFLATED = 8;
-
-  /**
-   * The mask for bit 1 of the flag byte.
-   */
-  static final int HEAD_CRC = 0x02;
-
-  /**
-   * The mask for bit 2 of the flag byte.
-   */
-  static final int EXTRA_FIELD = 0x04;
-
-  /**
-   * The mask for bit 3 of the flag byte.
-   */
-  static final int ORIG_NAME = 0x08;
-
-  /**
-   * The mask for bit 4 of the flag byte.
-   */
-  static final int COMMENT = 0x10;
-
-  /**
-   * The mask for all reserved bits of the flag byte.
-   */
-  static final int RESERVED = 0xe0;
-  
-  /**
-   * The CRC-32 checksum value for uncompressed data.
-   */
-  protected CRC32 crc; 
-
-  /**
-   * Indicates whether or not the end of the stream has been reached.
-   */  
-  protected boolean eos;
-
-  /**
-   * Creates a GZIPInputStream with the default buffer size.
-   *
-   * @param in The stream to read compressed data from 
-   *           (in GZIP format).
-   *
-   * @throws IOException if an error occurs during an I/O operation.
-   */
-  public GZIPInputStream(InputStream in)
-    throws IOException
-  {
-    this(in, 4096);
-  }
-
-  /**
-   * Creates a GZIPInputStream with the specified buffer size.
-   *
-   * @param in The stream to read compressed data from 
-   *           (in GZIP format).
-   * @param size The size of the buffer to use.
-   *
-   * @throws IOException if an error occurs during an I/O operation.
-   * @throws IllegalArgumentException if <code>size</code>
-   * is less than or equal to 0.
-   */
-  public GZIPInputStream(InputStream in, int size)
-    throws IOException
-  {
-    super(in, new Inflater(true), size);
-
-    // NOTE: header reading code taken from zlib's gzio.c.
-
-    // Read the magic number.
-    int magic = eof_read() | (eof_read() << 8);
-    if (magic != GZIP_MAGIC)
-      throw new ZipException("gzip header corrupted");
-
-    int method = eof_read();
-    int flags = eof_read();
-    // Test from zlib.
-    if (method != Z_DEFLATED || (flags & RESERVED) != 0)
-      throw new ZipException("gzip header corrupted");
-
-    // Discard time, xflags, OS code.
-    for (int i = 0; i < 6; ++i)
-      eof_read();
-
-    // Skip the extra field.
-    if ((flags & EXTRA_FIELD) != 0)
-      {
-	int len = eof_read() | (eof_read() << 8);
-	while (len-- != 0)
-	  eof_read();
-      }
-
-    if ((flags & ORIG_NAME) != 0)
-      {
-	while (true)
-	  {
-	    int c = eof_read();
-	    if (c == 0)
-	      break;
-	  }
-      }
-
-    if ((flags & COMMENT) != 0)
-      {
-	while (true)
-	  {
-	    int c = eof_read();
-	    if (c == 0)
-	      break;
-	  }
-      }
-
-    if ((flags & HEAD_CRC) != 0)
-      {
-	// FIXME: consider checking CRC of the header.
-	eof_read();
-	eof_read();
-      }
-
-    crc = new CRC32();
-  }
-
-  /**
-   * Closes the input stream.
-   *
-   * @throws IOException if an error occurs during an I/O operation.
-   */
-  public void close()
-    throws IOException
-  {
-    // Nothing to do here.
-    super.close();
-  }
-
-  private final int eof_read() throws IOException
-  {
-    int r = in.read();
-    if (r == -1)
-      throw new ZipException("gzip header corrupted");
-    return r & 0xff;
-  }
-
-  /**
-   * Reads in GZIP-compressed data and stores it in uncompressed form
-   * into an array of bytes.  The method will block until either
-   * enough input data becomes available or the compressed stream
-   * reaches its end.
-   *
-   * @param buf the buffer into which the uncompressed data will
-   *            be stored.
-   * @param offset the offset indicating where in <code>buf</code>
-   *               the uncompressed data should be placed.
-   * @param len the number of uncompressed bytes to be read.
-   */
-  public int read(byte[] buf, int offset, int len) throws IOException
-  {
-    if (eos)
-      return -1;
-    int r = super.read(buf, offset, len);
-    if (r == -1)
-      {
-	eos = true;
-
-	byte[] tmp = new byte[8];
-	// First copy remaining bytes from inflater input buffer.
-	int avail = inf.getRemaining();
-	System.arraycopy(this.buf, this.len - avail, tmp, 0, avail);
-
-	// Now read remaining bytes from wrapped input stream.
-	for (int i = avail; i < 8; ++i)
-	  {
-	    tmp[i] = (byte) eof_read();
-	  }
-
-	// Be careful to avoid sign extension here; CRC32.getValue()
-	// returns a long.
-	long header_crc = read4(tmp, 0) & 0xffffffffL;
-	if (crc.getValue() != header_crc)
-	  throw new ZipException("corrupted gzip file - crc mismatch");
-	int isize = read4(tmp, 4);
-	if (inf.getTotalOut() != isize)
-	  throw new ZipException("corrupted gzip file - size mismatch");
-	return -1;
-      }
-    crc.update(buf, offset, r);
-    return r;
-  }
-
-  private final int read4(byte[] buf, int offset) throws IOException
-  {
-    return (((buf[offset + 3] & 0xFF) << 24) + ((buf[offset + 2] & 0xFF) << 16)
-	    + ((buf[offset + 1] & 0xFF) << 8) + (buf[offset] & 0xFF));
-  }
-}