md5, sha1, sha256, sha512: fix link error with partial libcrypto

[gnulib.git] / tests / test-net_if.c

diff --git a/tests/test-net_if.c b/tests/test-net_if.c
index f1cdb99..932f3e3 100644 (file)
--- a/tests/test-net_if.c
+++ b/tests/test-net_if.c
@@ -1,5 +1,5 @@
 /* Test of <net/if.h> functions.
-   Copyright (C) 2010 Free Software Foundation, Inc.
+   Copyright (C) 2010-2013 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -17,32 +17,38 @@
 /* Written by Simon Josefsson <simon@josefsson.org>, 2010.  */
 
 #include <config.h>
+
 #include <net/if.h>
+
+/* We do not yet have replacements for if_* functions on systems that
+   lack a native <net/if.h>.  */
+#if HAVE_NET_IF_H && HAVE_IF_NAMEINDEX
+# include "signature.h"
+SIGNATURE_CHECK (if_freenameindex, void, (struct if_nameindex *));
+SIGNATURE_CHECK (if_indextoname, char *, (unsigned int, char *));
+SIGNATURE_CHECK (if_nameindex, struct if_nameindex *, (void));
+SIGNATURE_CHECK (if_nametoindex, unsigned int, (const char *));
+#endif
+
 #include <stddef.h> /* NULL */
-#include <stdio.h> /* printf */
+#include <stdio.h> /* fprintf */
 
 int
 main (int argc, char *argv[])
 {
-  struct if_nameindex ifn, *ifnp, *p;
-  void (*if_fni) (struct if_nameindex *) = if_freenameindex;
-  char *(*if_itn)(unsigned, char *) = if_indextoname;
-  struct if_nameindex  *(*if_ni)(void) = if_nameindex;
-  unsigned (*if_nti)(const char *) = if_nametoindex;
-
-  ifn.if_index = 42;
-  ifn.if_name = "foo";
+#if HAVE_NET_IF_H && HAVE_IF_NAMEINDEX
+  struct if_nameindex *ifnp, *p;
 
   p = ifnp = if_nameindex ();
   if (ifnp == NULL)
     {
-      printf ("if_nameindex returned NULL\n");
+      fputs ("if_nameindex returned NULL\n", stderr);
       return 1;
     }
 
   while (p->if_index)
     {
-      unsigned idx;
+      unsigned int idx;
       char buf[IF_NAMESIZE];
       char *q;
 
@@ -52,25 +58,26 @@ main (int argc, char *argv[])
       idx = if_nametoindex (p->if_name);
       if (idx != p->if_index)
         {
-          printf ("if_nametoindex (%s) = %d != %d\n",
-                  p->if_name, idx, p->if_index);
+          fprintf (stderr, "if_nametoindex (%s) = %d != %d\n",
+                   p->if_name, idx, p->if_index);
           return 1;
         }
 
       q = if_indextoname (p->if_index, buf);
       if (q == NULL)
         {
-          printf ("if_indextoname (%d) returned NULL\n", p->if_index);
+          fprintf (stderr, "if_indextoname (%d) returned NULL\n", p->if_index);
           return 1;
         }
       if (q != buf)
         {
-          printf ("if_indextoname (%d) buffer mismatch?\n", p->if_index);
+          fprintf (stderr, "if_indextoname (%d) buffer mismatch?\n",
+                   p->if_index);
           return 1;
         }
       if (strcmp (p->if_name, q) != 0)
         {
-          printf ("if_indextoname (%s) = %s ?!\n", p->if_name, q);
+          fprintf (stderr, "if_indextoname (%s) = %s ?!\n", p->if_name, q);
           return 1;
         }
 
@@ -78,6 +85,14 @@ main (int argc, char *argv[])
     }
 
   if_freenameindex (ifnp);
+#endif /* HAVE_NET_IF_H */
 
+#if !HAVE_NET_IF_H || HAVE_IF_NAMEINDEX
+  {
+    static struct if_nameindex ni;
+    return !IF_NAMESIZE + ni.if_index + !!ni.if_name;
+  }
+#else
   return 0;
+#endif
 }