Index: src/backend/utils/adt/network.c
===================================================================
RCS file: /cvsroot/pgsql/src/backend/utils/adt/network.c,v
retrieving revision 1.60
diff -c -c -r1.60 network.c
*** src/backend/utils/adt/network.c	23 Jan 2006 21:49:39 -0000	1.60
--- src/backend/utils/adt/network.c	24 Jan 2006 04:05:52 -0000
***************
*** 166,171 ****
--- 166,181 ----
  Datum
  cidr_out(PG_FUNCTION_ARGS)
  {
+ 	inet	   *src = PG_GETARG_INET_P(0);
+ 
+ 	/* If this is an INET, zero any unmasked bits */
+ 	if (!ip_is_cidr(src))
+ 	{
+ 		Datum		src2;
+ 	
+ 		src2 = DirectFunctionCall1(network_network, PG_GETARG_DATUM(0));
+ 		fcinfo->arg[0] = src2;
+ 	}
  	return inet_out(fcinfo);
  }