ntp-ipv6.patch

   1 diff -urN ntp-4.2.0.org/ntpdate/ntpdate.c ntp-4.2.0/ntpdate/ntpdate.c
   2 --- ntp-4.2.0.org/ntpdate/ntpdate.c     2004-05-17 00:41:52.720460048 +0200
   3 +++ ntp-4.2.0/ntpdate/ntpdate.c 2004-05-17 01:33:48.375808440 +0200
   4 @@ -1697,12 +1697,14 @@
   5            }
   6  #ifdef IPV6_V6ONLY
   7             /* Restricts AF_INET6 socket to IPv6 communications (see RFC 2553bis-03) */
   8 -           if (res->ai_family == AF_INET6)
   9 -                if (setsockopt(fd[nbsock], IPPROTO_IPV6, IPV6_V6ONLY, (void*) &optval, sizeof(optval)) < 0) {
  10 +           if (res->ai_family == AF_INET6) {
  11 +               int i = setsockopt(fd[nbsock], IPPROTO_IPV6, IPV6_V6ONLY, (void*) &optval, sizeof(optval));
  12 +               if (i < 0 && errno != ENOPROTOOPT) {
  13                            netsyslog(LOG_ERR, "setsockopt() IPV6_V6ONLY failed: %m");
  14                            exit(1);
  15                            /*NOTREACHED*/
  16                 }
  17 +          }
  18  #endif
  19
  20             /* Remember the socket family in fd_family structure */