[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/libc/glibc/glibc-2.22/inet/check_pf.c b/ap/libc/glibc/glibc-2.22/inet/check_pf.c
new file mode 100644
index 0000000..3739a95
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.22/inet/check_pf.c
@@ -0,0 +1,71 @@
+/* Determine protocol families for which interfaces exist. Generic version.
+ Copyright (C) 2003-2015 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