From 6ecbec7768b54428d13691c94fe7a79aa596e552 Mon Sep 17 00:00:00 2001
From: Yoshinobu Inoue <shin@FreeBSD.org>
Date: Tue, 14 Mar 2000 17:37:19 +0000
Subject: [PATCH] Use CMSG_LEN() to compute ping SCM_TIMESTAMP cmsg_len.
 Without this, cmsg_len size should be smaller than necessary on alpha.
 (Though, no obvious error was seen on ping time value on beast.)

---
 sbin/ping/ping.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sbin/ping/ping.c b/sbin/ping/ping.c
index 9c42f93d0f91..39e6bec4f144 100644
--- a/sbin/ping/ping.c
+++ b/sbin/ping/ping.c
@@ -649,7 +649,7 @@ main(argc, argv)
 #ifdef SO_TIMESTAMP
 			if (cmsg->cmsg_level == SOL_SOCKET &&
 			    cmsg->cmsg_type == SCM_TIMESTAMP &&
-			    cmsg->cmsg_len == (sizeof *cmsg + sizeof *t)) {
+			    cmsg->cmsg_len == CMSG_LEN(sizeof *t)) {
 				/* Copy to avoid alignment problems: */
 				memcpy(&now,CMSG_DATA(cmsg),sizeof(now));
 				t = &now;