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+//
+// Copyright (c) 2017 James E. King III
+//
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENCE_1_0.txt)
+//
+// "A Replacement Call for Random"
+// https://man.openbsd.org/arc4random.3
+//
+
+#include <stdlib.h>
+
+namespace boost {
+namespace uuids {
+namespace detail {
+
+class random_provider_base
+{
+ public:
+ //! Obtain entropy and place it into a memory location
+ //! \param[in] buf the location to write entropy
+ //! \param[in] siz the number of bytes to acquire
+ void get_random_bytes(void *buf, size_t siz)
+ {
+ arc4random_buf(buf, siz);
+ }
+};
+
+} // detail
+} // uuids
+} // boost