maint: update copyright

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

diff --git a/tests/test-gethostname.c b/tests/test-gethostname.c
index ef50953..a6f3fda 100644 (file)
--- a/tests/test-gethostname.c
+++ b/tests/test-gethostname.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008 Free Software Foundation
+ * Copyright (C) 2008-2014 Free Software Foundation, Inc.
  * Written by Simon Josefsson.
  *
  * This program is free software: you can redistribute it and/or modify
@@ -17,8 +17,15 @@
 
 #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>
@@ -26,11 +33,17 @@
 #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));