- struct ifaddrs *ifaddr, *ifa;
- int s;
- char host[NI_MAXHOST];
-
- if (getifaddrs(&ifaddr) == -1) {
- warn("Failed to get IPv6 address for interface %s", iface);
- return NULL;
- }
-
- for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
- if (ifa->ifa_addr == NULL) {
- continue;
- }
- s = getnameinfo(ifa->ifa_addr, sizeof(struct sockaddr_in6), host, NI_MAXHOST, NULL, 0, NI_NUMERICHOST);
- if ((strcmp(ifa->ifa_name, iface) == 0) && (ifa->ifa_addr->sa_family == AF_INET6)) {
- if (s != 0) {
- warnx("Failed to get IPv6 address for interface %s", iface);
- return NULL;
- }
- return bprintf("%s", host);
- }
- }
-
- freeifaddrs(ifaddr);