[multiple changes]

2004-04-20  Jeroen Frijters  <jeroen@frijters.net>

	* java/io/FileDescriptor.java: (FileDescriptor) Added public
	constructor. (valid) Added null check.

2004-04-20  Guilhem Lavaux <guilhem@kaffe.org>

        Reported by Nektarios Papadopoulos <npapadop@inaccessnetworks.com>
	* java/io/FileOutputStream.java
	(FileOutputStream) Reorganized constructors. Constructors now
	check whether the given path is directory.

From-SVN: r80901

libjava/java/io/FileDescriptor.java

@@ -83,6 +83,14 @@ public final class FileDescriptor
   /**
    * This method is used to initialize an invalid FileDescriptor object.
    */
+  public FileDescriptor()
+  {
+    channel = null;
+  }
+
+  /**
+   * This method is used to initialize a FileDescriptor object.
+   */
   FileDescriptor(ByteChannel channel)
   {
     this.channel = channel;
@@ -125,6 +133,6 @@ public final class FileDescriptor
    */
   public boolean valid ()
   {
-    return channel.isOpen();
+    return channel != null && channel.isOpen();
   }
 }