On 02/02/2011 07:55 PM, Mark Rustad wrote:
+static char *
+find_ifname(const struct ifaddrs *ifa, const union sockaddr_u *ss)
+{
+ for (; ifa; ifa = ifa->ifa_next) {
I made one small fix. ifa->ifa_addr can be null, so we need to check
if (!ifa->ifa_addr)
continue;
+ if (ss->ss.ss_family != ifa->ifa_addr->sa_family)
+ continue;
+ switch (ss->ss.ss_family) {
+ case AF_INET:
+ if (inet_cmp_addr(ss, (union sockaddr_u
*)ifa->ifa_addr) == 0)
+ return ifa->ifa_name;
+ break;
+ case AF_INET6:
+ if (inet6_cmp_addr(ss, (union sockaddr_u
*)ifa->ifa_addr) == 0)
+ return ifa->ifa_name;
+ break;
+ }
+ }
+
+ return NULL;
+}
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