2003-03-11 Michael Koch <konqueror@gmx.de>

* gnu/java/nio/ByteBufferImpl.java
	(putInt): Use limit() instead of limit.
	* gnu/java/nio/CharBufferImpl.java
	(slice): Fixed implementation.
	(subSequence): Better bounds checking.
	* gnu/java/nio/MappedByteFileBuffer.java:
	Import all needed classes directly.
	* java/nio/ByteBuffer.java
	(hashCode): New dummy method.
	* java/nio/CharBuffer.java
	(array_offset): New member variable.
	(hasArray): Fixed documentation.
	(arrayOffset): Return array_offset.

From-SVN: r64165

libjava/java/nio/ByteBuffer.java

@@ -246,6 +246,15 @@ public abstract class ByteBuffer extends Buffer implements Comparable
     return offset;
   }
   
+  /**
+   * Returns the current hash code of this buffer.
+   */
+  public int hashCode()
+  {
+    // FIXME: Check what SUN calcs here
+    return super.hashCode();
+  }
+
   /**
    * Tells whether or not this buffer is equal to another object.
    */

libjava/java/nio/CharBuffer.java

@@ -45,6 +45,7 @@ import gnu.java.nio.CharBufferImpl;
 public abstract class CharBuffer extends Buffer
   implements Comparable, CharSequence
 {
+  protected int array_offset = 0;
   protected char [] backing_buffer;
   
   /**
@@ -201,7 +202,7 @@ public abstract class CharBuffer extends Buffer
   }
 
   /**
-   * Tells wether this is buffer is backed by an array or not.
+   * Tells wether this is buffer is backed by an accessible array or not.
    */
   public final boolean hasArray ()
   {
@@ -242,7 +243,7 @@ public abstract class CharBuffer extends Buffer
     if (isReadOnly ())
       throw new ReadOnlyBufferException ();
     
-    return 0;
+    return array_offset;
   }
   
   /**