- added IPaddress::prefixLength

- return MemoryStreams from MemoryWriters

Net/include/Poco/Net/IPAddress.h

@@ -325,6 +325,9 @@ public:
 		
 	int af() const;
 		/// Returns the address family (AF_INET or AF_INET6) of the address.
+
+	unsigned prefixLength() const;
+		/// Returns the prefix length.
 		
 	void mask(const IPAddress& mask);
 		/// Masks the IP address using the given netmask, which is usually

Net/include/Poco/Net/Net.h

@@ -96,6 +96,11 @@ void Net_API uninitializeNetwork();
 } } // namespace Poco::Net
 
 
+// Define to enable IPv6 support
+#if !defined (POCO_HAVE_IPv6)
+	#define POCO_HAVE_IPv6
+#endif // POCO_HAVE_IPv6
+
 #if !defined(s6_addr16)
 	#if defined(POCO_OS_FAMILY_WINDOWS)
 		#define s6_addr16 u.Word