[COMMITTED] Split rpcent tests out of tst-netdb.

--- a/nss/test-netdb.c
+++ b/nss/test-netdb.c
@@ -23,14 +23,12 @@ 
   - /etc/hosts
   - /etc/networks
   - /etc/protocols
-  - /etc/rpc
   The tests try to be fairly generic and simple so that they work on
   every possible setup (and might therefore not detect some possible
   errors).
 */
 
 #include <netdb.h>
-#include <rpc/netdb.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -300,43 +298,6 @@  test_protocols (void)
 }
 
 
-static void
-output_rpcent (const char *call, struct rpcent *rptr)
-{
-  char **pptr;
-
-  if (rptr == NULL)
-    printf ("Call: %s returned NULL\n", call);
-  else
-    {
-      printf ("Call: %s, returned: r_name: %s, r_number: %d\n",
-		call, rptr->r_name, rptr->r_number);
-      for (pptr = rptr->r_aliases; *pptr != NULL; pptr++)
-	printf ("  alias: %s\n", *pptr);
-    }
-}
-
-static void
-test_rpc (void)
-{
-  struct rpcent *rptr;
-
-  rptr = getrpcbyname ("portmap");
-  output_rpcent ("getrpcyname (\"portmap\")", rptr);
-
-  rptr = getrpcbynumber (100000);
-  output_rpcent ("getrpcbynumber (100000)", rptr);
-
-  setrpcent (0);
-  do
-    {
-      rptr = getrpcent ();
-      output_rpcent ("getrpcent ()", rptr);
-    }
-  while (rptr != NULL);
-  endrpcent ();
-}
-
 /* Override /etc/nsswitch.conf for this program.  This is mainly
    useful for developers. */
 static void  __attribute__ ((unused))
@@ -351,7 +312,6 @@  setdb (const char *dbname)
 	__nss_configure_lookup ("networks", dbname);
       }
   __nss_configure_lookup ("protocols", dbname);
-  __nss_configure_lookup ("rpc", dbname);
   __nss_configure_lookup ("services", dbname);
 }
 
@@ -366,7 +326,6 @@  do_test (void)
   test_hosts ();
   test_network ();
   test_protocols ();
-  test_rpc ();
   test_services ();
 
   if (error_count)
--- a/sunrpc/Makefile
+++ b/sunrpc/Makefile
@@ -96,7 +96,7 @@  rpcgen-objs = rpc_main.o rpc_hout.o rpc_cout.o rpc_parse.o \
 extra-objs = $(rpcgen-objs) $(addprefix cross-,$(rpcgen-objs))
 others += rpcgen
 
-tests = tst-xdrmem tst-xdrmem2
+tests = tst-xdrmem tst-xdrmem2 test-rpcent
 xtests := tst-getmyaddr
 
 ifeq ($(have-thread-library),yes)
--- /dev/null
+++ b/sunrpc/test-rpcent.c
@@ -0,0 +1,74 @@ 
+/* Test getrpcent and friends.
+   Copyright (C) 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/>.  */
+
+/* This is taken from nss/test-netdb.c and is intended to follow that
+   test's model for everything.  This test is separate only because
+   the <rpc/netdb.h> interfaces do not exist in configurations that
+   omit sunrpc/ from the build.  */
+
+#include <stdio.h>
+#include <rpc/netdb.h>
+
+
+static void
+output_rpcent (const char *call, struct rpcent *rptr)
+{
+  char **pptr;
+
+  if (rptr == NULL)
+    printf ("Call: %s returned NULL\n", call);
+  else
+    {
+      printf ("Call: %s, returned: r_name: %s, r_number: %d\n",
+		call, rptr->r_name, rptr->r_number);
+      for (pptr = rptr->r_aliases; *pptr != NULL; pptr++)
+	printf ("  alias: %s\n", *pptr);
+    }
+}
+
+static void
+test_rpc (void)
+{
+  struct rpcent *rptr;
+
+  rptr = getrpcbyname ("portmap");
+  output_rpcent ("getrpcyname (\"portmap\")", rptr);
+
+  rptr = getrpcbynumber (100000);
+  output_rpcent ("getrpcbynumber (100000)", rptr);
+
+  setrpcent (0);
+  do
+    {
+      rptr = getrpcent ();
+      output_rpcent ("getrpcent ()", rptr);
+    }
+  while (rptr != NULL);
+  endrpcent ();
+}
+
+static int
+do_test (void)
+{
+  test_rpc ();
+
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"