[src/trunk]: src/external/bsd/tcpdump/dist fix type punned issue

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/41136fed5130
branches:  trunk
changeset: 790745:41136fed5130
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Oct 20 02:58:24 2013 +0000

description:
fix type punned issue

diffstat:

 external/bsd/tcpdump/dist/addrtoname.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (25 lines):

diff -r fc051d86c8bd -r 41136fed5130 external/bsd/tcpdump/dist/addrtoname.c
--- a/external/bsd/tcpdump/dist/addrtoname.c    Sun Oct 20 02:47:38 2013 +0000
+++ b/external/bsd/tcpdump/dist/addrtoname.c    Sun Oct 20 02:58:24 2013 +0000
@@ -27,7 +27,7 @@
 static const char rcsid[] _U_ =
     "@(#) Header: /tcpdump/master/tcpdump/addrtoname.c,v 1.119 2007-08-08 14:06:34 hannes Exp  (LBL)";
 #endif
-__RCSID("$NetBSD: addrtoname.c,v 1.3 2013/04/06 19:33:07 christos Exp $");
+__RCSID("$NetBSD: addrtoname.c,v 1.4 2013/10/20 02:58:24 christos Exp $");
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -281,9 +281,11 @@
        static struct h6namemem *p;             /* static for longjmp() */
        register const char *cp;
        char ntop_buf[INET6_ADDRSTRLEN];
+       uint16_t h;
 
        memcpy(&addr, ap, sizeof(addr));
-       p = &h6nametable[*(u_int16_t *)&addr.s6_addr[14] & (HASHNAMESIZE-1)];
+       memcpy(&h, &addr.s6_addr[14], sizeof(h));
+       p = &h6nametable[h & (HASHNAMESIZE-1)];
        for (; p->nxt; p = p->nxt) {
                if (memcmp(&p->addr, &addr, sizeof(addr)) == 0)
                        return (p->name);