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Support IPv6 on MacOS X systems

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Add feature test macros for MacOS X, and don't require
IPV6_RECVPKTINFO to exist.

Reported-by: YJZ <vollkommen@gmx.net>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2012-03-01 22:44:32 -08:00
parent b9708e2201
commit 128e6a3905
2 changed files with 15 additions and 5 deletions
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13
tftpd/recvfrom.c
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@ -222,12 +222,15 @@ myrecvfrom(int s, void *buf, int len, unsigned int flags,
#ifdef HAVE_STRUCT_IN6_PKTINFO
if (cmptr->cmsg_level == IPPROTO_IPV6 &&
(cmptr->cmsg_type == IPV6_RECVPKTINFO ||
(
#ifdef IPV6_RECVPKTINFO
cmptr->cmsg_type == IPV6_RECVPKTINFO ||
#endif
cmptr->cmsg_type == IPV6_PKTINFO)) {
memcpy(&pktinfo6, CMSG_DATA(cmptr),
sizeof(struct in6_pktinfo));
memcpy(&myaddr->s6.sin6_addr, &pktinfo6.ipi6_addr,
sizeof(struct in6_addr));
memcpy(&pktinfo6, CMSG_DATA(cmptr),
sizeof(struct in6_pktinfo));
memcpy(&myaddr->s6.sin6_addr, &pktinfo6.ipi6_addr,
sizeof(struct in6_addr));
}
#endif
}