# --- T2-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by scripts/Create-CopyPatch.
# 
# T2 SDE: package/.../netkit-base/64bit-alignment.patch
# Copyright (C) 2004 - 2020 The T2 SDE Project
# 
# More information can be found in the files COPYING and README.
# 
# This patch file is dual-licensed. It is available under the license the
# patched project is licensed under, as long as it is an OpenSource license
# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
# of the GNU General Public License as published by the Free Software
# Foundation; either version 2 of the License, or (at your option) any later
# version.
# --- T2-COPYRIGHT-NOTE-END ---

At least on sparc64 gcc optimized the memcpy into 2 32bit load/stores. However
the data does not match that alignment requirements, the program receivees
a SIGBUS. I'm not sure if this is a misoptimization bug in gcc ...

  - Rene Rebe <rene@exactcode.de>

diff -ur netkit-base-0.17/ping/ping.c netkit-base-0.17-fixed/ping/ping.c
--- netkit-base-0.17/ping/ping.c	2000-07-23 06:16:21.000000000 +0200
+++ netkit-base-0.17-fixed/ping/ping.c	2005-01-29 17:53:55.000000000 +0100
@@ -673,7 +673,7 @@
 {
 	struct ip *ip;
 	struct icmp *icp;
-	struct timeval now, packettv, *tp;
+	struct timeval now, packettv;
 	long triptime = 0;
 	int hlen, dupflag;
 	int rv;
@@ -722,8 +722,7 @@
 			return 0;		/* 'Twas not our ECHO */
 		nreceived++;
 		if (timing) {
-			tp = (struct timeval *)icp->icmp_data;
-			memcpy(&packettv, tp, sizeof(struct timeval));
+			memcpy(&packettv, icp->icmp_data, sizeof(struct timeval));
 			tvsub(&now, &packettv);
 
 			/* precision: tenths of milliseconds */