--- libelwix/inc/elwix/anet.h	2020/05/27 15:02:33	1.15.26.1
+++ libelwix/inc/elwix/anet.h	2024/04/15 10:39:49	1.16.30.1
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: anet.h,v 1.15.26.1 2020/05/27 15:02:33 misho Exp $
+* $Id: anet.h,v 1.16.30.1 2024/04/15 10:39:49 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -79,7 +79,7 @@ typedef struct {
 	sockaddr_t	addr;
 	inaddr_t	mask;
 } netaddr_t;
-#define E_CIDRMASK(x)	htonl((((1 << (x)) - 1) << (32 - (x))) & 0xFFFFFFFF)
+#define E_CIDRMASK(x)	htonl((((unsigned int)(((unsigned long)(1 << (x))) - 1) << (32 - (x))) & 0xFFFFFFFF))
 
 
 /*