-/* $Cambridge: exim/src/src/verify.c,v 1.53 2009/01/21 19:14:53 fanf2 Exp $ */
+/* $Cambridge: exim/src/src/verify.c,v 1.55 2010/06/05 23:50:18 pdp Exp $ */
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2007 */
+/* Copyright (c) University of Cambridge 1995 - 2009 */
/* See the file NOTICE for conditions of use and distribution. */
/* Functions concerned with verifying things. The original code for callout
/*************************************************
-* Invert an IP address for a DNS black list *
+* Invert an IP address *
*************************************************/
-/*
+/* Originally just used for DNS xBL lists, now also used for the
+reverse_ip expansion operator.
+
Arguments:
buffer where to put the answer
address the address to invert
*/
-static void
+void
invert_address(uschar *buffer, uschar *address)
{
int bin[4];