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authorWaldemar Brodkorb <wbx@openadk.org>2015-04-03 03:57:00 -0500
committerWaldemar Brodkorb <wbx@openadk.org>2015-04-13 00:26:40 -0500
commit64464f53eb2748ee9c615775a347685f2115d040 (patch)
tree96093e9e235e69b8946188a103a19dabcd5b7c8e /test/inet/tst-ifaddrs.c
parentf07b6a12c449f2e5987e0b8fdcb6e72be8dbeb07 (diff)
add GNU libc test for ifaddrs.c
Diffstat (limited to 'test/inet/tst-ifaddrs.c')
-rw-r--r--test/inet/tst-ifaddrs.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/test/inet/tst-ifaddrs.c b/test/inet/tst-ifaddrs.c
new file mode 100644
index 000000000..6e6c01570
--- /dev/null
+++ b/test/inet/tst-ifaddrs.c
@@ -0,0 +1,99 @@
+/* Test listing of network interface addresses.
+ Copyright (C) 2002-2015 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 <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ifaddrs.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+
+static int failures;
+
+static const char *
+addr_string (struct sockaddr *sa, char *buf, size_t size)
+{
+ if (sa == NULL)
+ return "<none>";
+
+ switch (sa->sa_family)
+ {
+ case AF_INET:
+ return inet_ntop (AF_INET, &((struct sockaddr_in *) sa)->sin_addr,
+ buf, size);
+ case AF_INET6:
+ return inet_ntop (AF_INET6, &((struct sockaddr_in6 *) sa)->sin6_addr,
+ buf, size);
+#ifdef AF_LINK
+ case AF_LINK:
+ return "<link>";
+#endif
+ case AF_UNSPEC:
+ return "---";
+
+#ifdef AF_PACKET
+ case AF_PACKET:
+ return "<packet>";
+#endif
+
+ default:
+ ++failures;
+ printf ("sa_family=%d %08x\n", sa->sa_family,
+ *(int*)&((struct sockaddr_in *) sa)->sin_addr.s_addr);
+ return "<unexpected sockaddr family>";
+ }
+}
+
+
+static int
+do_test (void)
+{
+ struct ifaddrs *ifaces, *ifa;
+
+ if (getifaddrs (&ifaces) < 0)
+ {
+ if (errno != ENOSYS)
+ {
+ printf ("Couldn't get any interfaces: %s.\n", strerror (errno));
+ exit (1);
+ }
+ /* The function is simply not implemented. */
+ exit (0);
+ }
+
+ puts ("\
+Name Flags Address Netmask Broadcast/Destination");
+
+ for (ifa = ifaces; ifa != NULL; ifa = ifa->ifa_next)
+ {
+ char abuf[64], mbuf[64], dbuf[64];
+ printf ("%-15s%#.4x %-15s %-15s %-15s\n",
+ ifa->ifa_name, ifa->ifa_flags,
+ addr_string (ifa->ifa_addr, abuf, sizeof (abuf)),
+ addr_string (ifa->ifa_netmask, mbuf, sizeof (mbuf)),
+ addr_string (ifa->ifa_broadaddr, dbuf, sizeof (dbuf)));
+ }
+
+ freeifaddrs (ifaces);
+
+ return failures ? 1 : 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"