StringBuffer.java (insert(int,char[])): Avoid NullPointerException so proper…

StringBuffer.java (insert(int,char[])): Avoid NullPointerException so proper check of offset can be done.

	* java/lang/StringBuffer.java (insert(int,char[])): Avoid
	NullPointerException so proper check of offset can be done.

From-SVN: r38132

libjava/ChangeLog

 2000-12-08  Warren Levy  <warrenl@redhat.com>
 
+	* java/lang/StringBuffer.java (insert(int,char[])): Avoid
+	NullPointerException so proper check of offset can be done.
+
+2000-12-08  Warren Levy  <warrenl@redhat.com>
+
 	* java/io/FileInputStream.java (close): Check if the fd is valid.
 	* java/io/RandomAccessFile.java (close): Ditto.
 	* java/net/PlainDatagramSocketImpl.java (close): Ditto.

libjava/java/lang/StringBuffer.java

@@ -454,7 +454,9 @@ public final class StringBuffer implements Serializable
    */
   public StringBuffer insert (int offset, char[] data)
   {
-    return insert (offset, data, 0, data.length);
+    // One could check if offset is invalid here instead of making sure that
+    // data isn't null before dereferencing, but this works just as well.
+    return insert (offset, data, 0, data == null ? 0 : data.length);
   }
 
   /** Insert the <code>char[]</code> argument into this