diff options
Diffstat (limited to 'lib/sockopt.c')
-rw-r--r-- | lib/sockopt.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/lib/sockopt.c b/lib/sockopt.c index 1a7524b5..5936d661 100644 --- a/lib/sockopt.c +++ b/lib/sockopt.c @@ -360,3 +360,29 @@ getsockopt_ifindex (int af, struct msghdr *msgh) return (ifindex = 0); } } + +/* swab iph between order system uses for IP_HDRINCL and host order */ +void +sockopt_iphdrincl_swab_htosys (struct ip *iph) +{ + /* BSD and derived take iph in network order, except for + * ip_len and ip_off + */ +#ifndef HAVE_IP_HDRINCL_BSD_ORDER + iph->ip_len = htons(iph->ip_len); + iph->ip_off = htons(iph->ip_off); +#endif /* HAVE_IP_HDRINCL_BSD_ORDER */ + + iph->ip_id = htons(iph->ip_id); +} + +void +sockopt_iphdrincl_swab_systoh (struct ip *iph) +{ +#ifndef HAVE_IP_HDRINCL_BSD_ORDER + iph->ip_len = ntohs(iph->ip_len); + iph->ip_off = ntohs(iph->ip_off); +#endif /* HAVE_IP_HDRINCL_BSD_ORDER */ + + iph->ip_id = ntohs(iph->ip_id); +} |