1 /* Determine protocol families for which interfaces exist. Generic version.
2 Copyright (C) 2003-2013 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
25 __check_pf (bool *seen_ipv4, bool *seen_ipv6,
26 struct in6addrinfo **in6ai, size_t *in6ailen)
28 /* By default we have no way to determine information about
29 deprecated and temporary addresses. */
33 /* Get the interface list via getifaddrs. */
34 struct ifaddrs *ifa = NULL;
35 if (getifaddrs (&ifa) != 0)
37 /* We cannot determine what interfaces are available. Be
48 for (runp = ifa; runp != NULL; runp = runp->ifa_next)
49 if (runp->ifa_addr->sa_family == PF_INET)
51 else if (runp->ifa_addr->sa_family == PF_INET6)
54 (void) freeifaddrs (ifa);
59 __free_in6ai (struct in6addrinfo *in6ai)
67 __bump_nl_timestamp (void)