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44 lines
1.6 KiB
44 lines
1.6 KiB
# --- SDE-COPYRIGHT-NOTE-BEGIN --- |
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch. |
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# |
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# Filename: package/.../netkit-base/64bit-alignment.patch |
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# Copyright (C) 2004 - 2006 The T2 SDE Project |
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# |
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# More information can be found in the files COPYING and README. |
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# |
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# This patch file is dual-licensed. It is available under the license the |
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# patched project is licensed under, as long as it is an OpenSource license |
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# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms |
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# of the GNU General Public License as published by the Free Software |
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# Foundation; either version 2 of the License, or (at your option) any later |
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# version. |
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# --- SDE-COPYRIGHT-NOTE-END --- |
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At least on sparc64 gcc optimized the memcpy into 2 32bit load/stores. However |
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the data does not match that alignment requirements, the program receivees |
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a SIGBUS. I'm not sure if this is a misoptimization bug in gcc ... |
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- Rene Rebe <[email protected]> |
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diff -ur netkit-base-0.17/ping/ping.c netkit-base-0.17-fixed/ping/ping.c |
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--- netkit-base-0.17/ping/ping.c 2000-07-23 06:16:21.000000000 +0200 |
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+++ netkit-base-0.17-fixed/ping/ping.c 2005-01-29 17:53:55.000000000 +0100 |
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@@ -673,7 +673,7 @@ |
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{ |
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struct ip *ip; |
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struct icmp *icp; |
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- struct timeval now, packettv, *tp; |
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+ struct timeval now, packettv; |
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long triptime = 0; |
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int hlen, dupflag; |
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int rv; |
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@@ -722,8 +722,7 @@ |
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return 0; /* 'Twas not our ECHO */ |
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nreceived++; |
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if (timing) { |
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- tp = (struct timeval *)icp->icmp_data; |
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- memcpy(&packettv, tp, sizeof(struct timeval)); |
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+ memcpy( &packettv, icp->icmp_data, sizeof(struct timeval)); |
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tvsub(&now, &packettv); |
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/* precision: tenths of milliseconds */
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