From ae69a754244c4e475c8d2591772ca8e005071d83 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Mon, 18 Feb 2019 11:55:41 +0100
Subject: Update to 5.42

---
 driver/test-yarandom.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 driver/test-yarandom.c

(limited to 'driver/test-yarandom.c')

diff --git a/driver/test-yarandom.c b/driver/test-yarandom.c
new file mode 100644
index 0000000..6701ff8
--- /dev/null
+++ b/driver/test-yarandom.c
@@ -0,0 +1,66 @@
+/* test-yarandom.c --- generate a file of random bytes for analysis.
+ * xscreensaver, Copyright (c) 2018 Jamie Zawinski <jwz@jwz.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation.  No representations are made about the suitability of this
+ * software for any purpose.  It is provided "as is" without express or 
+ * implied warranty.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdlib.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#include <ctype.h>
+#include <stdio.h>
+#include "yarandom.h"
+
+char *progname = 0;
+
+int
+main (int argc, char **argv)
+{
+  unsigned long i, n;
+  char *f;
+  FILE *fd;
+
+  progname = argv[0];
+  if (argc != 3)
+    {
+      fprintf(stderr, "usage: %s bytes outfile\n", argv[0]);
+      exit(1);
+    }
+
+  n = atol (argv[1]);
+  f = argv[2];
+
+# undef ya_rand_init
+  ya_rand_init(0);
+
+  fd = fopen (f, "w");
+  if (!fd) { perror (f); exit (1); }
+
+  n /= sizeof(uint32_t);
+  for (i = 0; i < n; i++)
+    {
+      union { uint32_t i; char s[sizeof(uint32_t)]; } rr;
+      rr.i = random();
+      if (! fwrite (rr.s, sizeof(rr.s), 1, fd))
+        {
+          perror ("write");
+          exit (1);
+        }
+    }
+  fclose (fd);
+  fprintf (stderr, "%s: %s: wrote %ld bytes\n",
+           progname, f, i * sizeof(uint32_t));
+  exit(0);
+}
-- 
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