BufferedReader.java, [...]: New versions from classpath.

2003-06-14  Michael Koch  <konqueror@gmx.de>

	* java/io/BufferedReader.java,
	java/io/FileOutputStream.java:
	New versions from classpath.

From-SVN: r67932

libjava/java/io/BufferedReader.java

@@ -164,6 +164,9 @@ public class BufferedReader extends Reader
    */
   public void mark(int readLimit) throws IOException
   {
+    if (readLimit < 0)
+      throw new IllegalArgumentException();
+
     synchronized (lock)
       {
 	checkStatus();