From 8d68a38c806bd25b3c39426dc396cc560b895f76 Mon Sep 17 00:00:00 2001
From: florian <florian@openbsd.org>
Date: Tue, 4 Jul 2017 15:55:22 +0000
Subject: [PATCH] calculate multiples of 4 smarter; from Klemens Nanni

---
 sbin/ping/ping.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sbin/ping/ping.c b/sbin/ping/ping.c
index 0428dde6606..8dce3d33647 100644
--- a/sbin/ping/ping.c
+++ b/sbin/ping/ping.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ping.c,v 1.219 2017/07/04 15:43:38 florian Exp $	*/
+/*	$OpenBSD: ping.c,v 1.220 2017/07/04 15:55:22 florian Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -1377,7 +1377,7 @@ pr_ipopt(int hlen, u_char *buf)
 			    !memcmp(cp, old_rr, i) &&
 			    !(options & F_FLOOD)) {
 				(void)printf("\t(same route)");
-				i = ((i + 3) / 4) * 4;
+				i = (i + 3) & ~0x3;
 				hlen -= i;
 				cp += i;
 				break;
-- 
2.20.1