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Check if struct in6_pktinfo is usable

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This commit is contained in:
Miroslav Lichvar 2012-01-05 15:11:54 +01:00
parent b485051b65
commit 6673cadfa2
2 changed files with 6 additions and 3 deletions
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5
configure vendored
View file

@ -373,13 +373,16 @@ if [ $feat_ipv6 = "1" ] && \
return !inet_ntop(AF_INET6, &n.sin6_addr.s6_addr, p, sizeof(p));'
then
add_def HAVE_IPV6
if ! test_code 'in6_pktinfo' 'sys/socket.h netinet/in.h' '' '' '
if test_code 'in6_pktinfo' 'sys/socket.h netinet/in.h' '' '' '
return sizeof(struct in6_pktinfo);'
then
add_def HAVE_IN6_PKTINFO
else
if test_code 'in6_pktinfo with _GNU_SOURCE' 'sys/socket.h netinet/in.h' \
'-D_GNU_SOURCE' '' 'return sizeof(struct in6_pktinfo);'
then
add_def _GNU_SOURCE
add_def HAVE_IN6_PKTINFO
fi
fi
fi

4
ntp_io.c
View file

@ -355,7 +355,7 @@ read_from_socket(void *anything)
}
#endif
#ifdef IPV6_PKTINFO
#if defined(IPV6_PKTINFO) && defined(HAVE_IN6_PKTINFO)
if (cmsg->cmsg_level == IPPROTO_IPV6 && cmsg->cmsg_type == IPV6_PKTINFO) {
struct in6_pktinfo ipi;
@ -462,7 +462,7 @@ send_packet(void *packet, int packetlen, NTP_Remote_Address *remote_addr)
}
#endif
#ifdef IPV6_PKTINFO
#if defined(IPV6_PKTINFO) && defined(HAVE_IN6_PKTINFO)
if (remote_addr->local_ip_addr.family == IPADDR_INET6) {
struct cmsghdr *cmsg;
struct in6_pktinfo *ipi;