2 files changed, 54 insertions, 0 deletions
diff --git a/gnulib b/gnulib
deleted file mode 160000
-Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1
diff --git a/gnulib/tests/test-random_r.c b/gnulib/tests/test-random_r.c
new file mode 100644
index 0000000..4a60373
--- /dev/null
+++ b/gnulib/tests/test-random_r.c
@@ -0,0 +1,54 @@
+/* Test random_r.
+   Copyright (C) 2008-2011 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
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+#include <stdlib.h>
+
+#include "signature.h"
+SIGNATURE_CHECK (srandom_r, int, (unsigned int, struct random_data *));
+SIGNATURE_CHECK (initstate_r, int, (unsigned int, char *, size_t,
+                                    struct random_data *));
+SIGNATURE_CHECK (setstate_r, int, (char *, struct random_data *));
+SIGNATURE_CHECK (random_r, int, (struct random_data *, int32_t *));
+
+#include <time.h>
+
+#include "macros.h"
+
+int
+main ()
+{
+  struct random_data rand_state;
+  char buf[128];
+  unsigned int i;
+  unsigned int n_big = 0;
+
+  rand_state.state = NULL;
+  if (initstate_r (time (NULL), buf, sizeof buf, &rand_state))
+    return 1;
+  for (i = 0; i < 1000; i++)
+    {
+      int32_t r;
+      ASSERT (random_r (&rand_state, &r) == 0);
+      ASSERT (0 <= r);
+      if (RAND_MAX / 2 < r)
+        ++n_big;
+    }
+
+  /* Fail if none of the numbers were larger than RAND_MAX / 2.  */
+  return !n_big;
+}