X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-gethostname.c;h=45c223a2f870aefa38d9f0cd2c8cf29563b7b0f0;hb=b40d2e71aa6bbe8f25c53323a94e31f391db7dfd;hp=d298b7a887340e190e05648617e6976909221284;hpb=3765bb11d93dd02d30df7eb9ada09ba887366131;p=gnulib.git

diff --git a/tests/test-gethostname.c b/tests/test-gethostname.c
index d298b7a88..45c223a2f 100644
--- a/tests/test-gethostname.c
+++ b/tests/test-gethostname.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008 Free Software Foundation
+ * Copyright (C) 2008-2011 Free Software Foundation, Inc.
  * Written by Simon Josefsson.
  *
  * This program is free software: you can redistribute it and/or modify
@@ -17,26 +17,40 @@
 
 #include <config.h>
 
+/* Get gethostname() declaration.  */
+#include <unistd.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (gethostname, int, (char *, size_t));
+
+/* Get HOST_NAME_MAX definition.  */
+#include <limits.h>
+
 #include <stdio.h>
 #include <string.h>
 #include <errno.h>
-#include <unistd.h>
 
 #define NOHOSTNAME "magic-gnulib-test-string"
 
 int
-main (int argc, char *argv[])
+main (int argc, char *argv[] _GL_UNUSED)
 {
-  char buf[2500];
+  char buf[HOST_NAME_MAX];
   int rc;
 
+  if (strlen (NOHOSTNAME) >= HOST_NAME_MAX)
+    {
+      printf ("HOST_NAME_MAX impossibly small?! %d\n", HOST_NAME_MAX);
+      return 2;
+    }
+
   strcpy (buf, NOHOSTNAME);
 
   rc = gethostname (buf, sizeof (buf));
 
   if (rc != 0)
     {
-      printf ("gethostname failed, rc %d errno %d\n", errno);
+      printf ("gethostname failed, rc %d errno %d\n", rc, errno);
       return 1;
     }