1 files changed, 71 insertions, 0 deletions
diff --git a/REORG.TODO/inet/check_pf.c b/REORG.TODO/inet/check_pf.c
new file mode 100644
index 0000000000..a56723a7df
--- /dev/null
+++ b/REORG.TODO/inet/check_pf.c
@@ -0,0 +1,71 @@
+/* Determine protocol families for which interfaces exist.  Generic version.
+   Copyright (C) 2003-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <ifaddrs.h>
+#include <netdb.h>
+#include <stdint.h>
+
+void
+attribute_hidden
+__check_pf (bool *seen_ipv4, bool *seen_ipv6,
+	    struct in6addrinfo **in6ai, size_t *in6ailen)
+{
+  /* By default we have no way to determine information about
+     deprecated and temporary addresses.  */
+  *in6ai = NULL;
+  *in6ailen = 0;
+
+  /* Get the interface list via getifaddrs.  */
+  struct ifaddrs *ifa = NULL;
+  if (getifaddrs (&ifa) != 0)
+    {
+      /* We cannot determine what interfaces are available.  Be
+	 pessimistic.  */
+      *seen_ipv4 = true;
+      *seen_ipv6 = true;
+      return;
+    }
+
+  *seen_ipv4 = false;
+  *seen_ipv6 = false;
+
+  struct ifaddrs *runp;
+  for (runp = ifa; runp != NULL; runp = runp->ifa_next)
+    if (runp->ifa_addr->sa_family == PF_INET)
+      *seen_ipv4 = true;
+    else if (runp->ifa_addr->sa_family == PF_INET6)
+      *seen_ipv6 = true;
+
+  (void) freeifaddrs (ifa);
+}
+
+
+void
+__free_in6ai (struct in6addrinfo *in6ai)
+{
+  /* Nothing to do.  */
+}
+
+
+#if IS_IN (nscd)
+uint32_t
+__bump_nl_timestamp (void)
+{
+  return 0;
+}
+#endif