InetAddress.java (getCanonicalHostName): Support IPv6 addresses.

2004-11-17  Michael Koch  <konqueror@gmx.de>

	* java/net/InetAddress.java (getCanonicalHostName):
	Support IPv6 addresses.

From-SVN: r90793

libjava/ChangeLog

+2004-11-17  Michael Koch  <konqueror@gmx.de>
+
+	* java/net/InetAddress.java (getCanonicalHostName):
+	Support IPv6 addresses.
+
 2004-11-16  Michael Koch  <konqueror@gmx.de>
 
 	* java/lang/Object.java: Added javadocs all over (merged from GNU

libjava/java/net/InetAddress.java

@@ -322,8 +322,14 @@ public class InetAddress implements Serializable
       }
 
     // Try to find the FDQN now
-    // FIXME: This does not work with IPv6.
-    InetAddress address = new Inet4Address(getAddress(), null);
+    InetAddress address;
+    byte[] ipaddr = getAddress();
+
+    if (ipaddr.length == 16)
+      address = new Inet6Address(getAddress(), null);
+    else
+      address = new Inet4Address(getAddress(), null);
+
     return address.getHostName();
   }