Re-merge with Classpath:

* java/util/Comparator (equals): Added.
	* java/io/PipedWriter.java (write): Changed argument to `int'.

	* java/io/FileDescriptor.java (FileDescriptor()): New
	constructor.
	* java/io/File.java (getAbsoluteFile): Doesn't throw IOException.

From-SVN: r45337

libjava/ChangeLog

@@ -1,5 +1,13 @@
 2001-08-31  Tom Tromey  <tromey@redhat.com>
 
+	Re-merge with Classpath:
+	* java/util/Comparator (equals): Added.
+	* java/io/PipedWriter.java (write): Changed argument to `int'.
+
+	* java/io/FileDescriptor.java (FileDescriptor()): New
+	constructor.
+	* java/io/File.java (getAbsoluteFile): Doesn't throw IOException.
+
 	* Makefile.in: Rebuilt.
 	* Makefile.am (ordinary_java_source_files): Removed
 	EnumerationChain, added DoubleEnumeration.

libjava/java/io/File.java

@@ -157,7 +157,7 @@ public class File implements Serializable, Comparable
   }
 
   /** @since 1.2 */
-  public File getAbsoluteFile () throws IOException
+  public File getAbsoluteFile ()
   {
     return new File (getAbsolutePath());
   }

libjava/java/io/FileDescriptor.java

@@ -43,6 +43,11 @@ public final class FileDescriptor
   static final int SET = 0;
   static final int CUR = 1;
 
+  // This constructor is specified to create an invalid descriptor.
+  public FileDescriptor ()
+  {
+  }
+
   // Open a file.  MODE is a combination of the above mode flags.
   FileDescriptor (String path, int mode) throws FileNotFoundException
   {

libjava/java/io/PipedWriter.java

@@ -104,9 +104,9 @@ public class PipedWriter extends Writer
     * @exception IOException If the stream has not been connected or has
     *                        been closed.
     */  
-  public void write(char b) throws IOException
+  public void write(int b) throws IOException
   {
-    read_buf[0] = b;
+    read_buf[0] = (char) (b & 0xffff);
     sink.receive (read_buf, 0, 1);
   }
   

libjava/java/util/Comparator.java

@@ -1,5 +1,5 @@
 /* Comparator.java -- Interface for objects that specify an ordering
-   Copyright (C) 1998 Free Software Foundation, Inc.
+   Copyright (C) 1998, 2001 Free Software Foundation, Inc.
 
 This file is part of GNU Classpath.
 
@@ -61,4 +61,13 @@ public interface Comparator
    *   compared by this ordering.
    */
   int compare(Object o1, Object o2);
+
+  /**
+   * Return true if the object is equal to this object.  To be
+   * considered equal, the argument object must satisfy the constraints
+   * of <code>Object.equals()</code>, be a Comparator, and impose the
+   * same ordering as this Comparator.
+   * @param obj The object
+   */
+  boolean equals(Object obj);
 }