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Fix a strict-alias warning in tst-inet6_rth.

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This commit is contained in:
Roland McGrath 2012-11-29 13:35:14 -08:00
parent 2af1b32853
commit e10c4e4fdb
2 changed files with 13 additions and 5 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2012-11-29 Roland McGrath <roland@hack.frob.com>
* inet/tst-inet6_rth.c (do_test): Use a union rather than type punning.
2012-11-28 Jeff Law <law@redhat.com>
[BZ #13761]

14
inet/tst-inet6_rth.c
View File

@ -66,20 +66,24 @@ inet6_rth_segments returned wrong value after loop with third inet6_rth_add");
goto out;
}
char buf2[1000];
if (inet6_rth_reverse (p, buf2) != 0)
union
{
char buffer[1000];
struct ip6_rthdr0 rthdr0;
} buf2;
if (inet6_rth_reverse (p, buf2.buffer) != 0)
{
puts ("first inet6_rth_reverse call failed");
res = 1;
goto out;
}
if (((struct ip6_rthdr0 *) buf2)->ip6r0_segleft != nseg)
if (buf2.rthdr0.ip6r0_segleft != nseg)
{
puts ("segleft after first inet6_rth_reverse wrong");
res = 1;
}
if (inet6_rth_segments (p) != inet6_rth_segments (buf2))
if (inet6_rth_segments (p) != inet6_rth_segments (buf2.buffer))
{
puts ("number of seconds after first inet6_rth_reverse differs");
res = 1;
@ -88,7 +92,7 @@ inet6_rth_segments returned wrong value after loop with third inet6_rth_add");
for (int i = 0; i < nseg; ++i)
{
struct in6_addr *addr = inet6_rth_getaddr (buf2, i);
struct in6_addr *addr = inet6_rth_getaddr (buf2.buffer, i);
if (addr == NULL)
{
printf ("call %d of first inet6_rth_getaddr failed\n",