3 files changed, 4 insertions, 3 deletions
diff --git a/libjava/java/nio/Buffer.java b/libjava/java/nio/Buffer.java
index 7d291be..693765f 100644
--- a/libjava/java/nio/Buffer.java
+++ b/libjava/java/nio/Buffer.java
@@ -57,7 +57,7 @@ public abstract class Buffer
     limit (limit);
     position (position);
     
-    if (mark > 0)
+    if (mark >= 0)
     {
       if (mark > pos)
         throw new IllegalArgumentException ();
diff --git a/libjava/java/nio/ByteBuffer.java b/libjava/java/nio/ByteBuffer.java
index 66c31ed..cb743c7 100644
--- a/libjava/java/nio/ByteBuffer.java
+++ b/libjava/java/nio/ByteBuffer.java
@@ -63,6 +63,7 @@ public abstract class ByteBuffer extends Buffer
     this.backing_buffer = buffer;
     this.array_offset = offset;
   }
+  
   /**
    * Allocates a new direct byte buffer.
    */ 
diff --git a/libjava/java/nio/CharBuffer.java b/libjava/java/nio/CharBuffer.java
index fbee6df..f2fde71 100644
--- a/libjava/java/nio/CharBuffer.java
+++ b/libjava/java/nio/CharBuffer.java
@@ -113,7 +113,7 @@ public abstract class CharBuffer extends Buffer
         buffer [i] = a.charAt (i);
       }
     
-    return wrap (buffer, offset, length);
+    return wrap (buffer, offset, length).asReadOnlyBuffer ();
   }
 
   /**
@@ -426,7 +426,7 @@ public abstract class CharBuffer extends Buffer
       return new String (array (), position (), length ());
 
     char[] buf = new char [length ()];
-    get (buf);
+    get (position (), buf);
     return new String (buf);
   }