1 files changed, 7 insertions, 0 deletions
diff --git a/libjava/java/nio/DirectByteBufferImpl.java b/libjava/java/nio/DirectByteBufferImpl.java
index 17f8dfa..d287164 100644
--- a/libjava/java/nio/DirectByteBufferImpl.java
+++ b/libjava/java/nio/DirectByteBufferImpl.java
@@ -197,6 +197,8 @@ abstract class DirectByteBufferImpl extends ByteBuffer
   
   public ByteBuffer compact()
   {
+    checkIfReadOnly();
+    mark = -1;
     int pos = position();
     if (pos > 0)
       {
@@ -205,6 +207,11 @@ abstract class DirectByteBufferImpl extends ByteBuffer
 	position(count);
 	limit(capacity());
       }
+    else
+      {
+	position(limit());
+	limit(capacity());
+      }
     return this;
   }