Fixes IPv6 build on older systems.

This commit is contained in:
Ondrej Zajicek 2010-04-14 14:46:21 +02:00
parent 6e80676096
commit dcc6049444

View file

@ -668,6 +668,16 @@ get_sockaddr(struct sockaddr_in *sa, ip_addr *a, unsigned *port, int check)
#define CMSG_RX_SPACE CMSG_SPACE(sizeof(struct in6_pktinfo))
#define CMSG_TX_SPACE CMSG_SPACE(sizeof(struct in6_pktinfo))
/*
* RFC 2292 uses IPV6_PKTINFO for both the socket option and the cmsg
* type, RFC 3542 changed the socket option to IPV6_RECVPKTINFO. If we
* don't have IPV6_RECVPKTINFO we suppose the OS implements the older
* RFC and we use IPV6_PKTINFO.
*/
#ifndef IPV6_RECVPKTINFO
#define IPV6_RECVPKTINFO IPV6_PKTINFO
#endif
static char *
sysio_register_cmsgs(sock *s)
{