EVOLUTION-MANAGER

Edit File: random_provider_getentropy.ipp

// // 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 // https://www.boost.org/LICENSE_1_0.txt) // // getentropy() capable platforms // #include <boost/config.hpp> #include <boost/throw_exception.hpp> #include <cerrno> #include <cstddef> #include <unistd.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, std::size_t siz) { int res = getentropy(buf, siz); if (BOOST_UNLIKELY(-1 == res)) { int err = errno; BOOST_THROW_EXCEPTION(entropy_error(err, "getentropy")); } } }; } // detail } // uuids } // boost