ceph/src/boost/boost/align/detail/align_up.hpp

   1 /*
   2 Copyright 2015 Glen Joseph Fernandes
   3 (glenjofe@gmail.com)
   4
   5 Distributed under the Boost Software License, Version 1.0.
   6 (http://www.boost.org/LICENSE_1_0.txt)
   7 */
   8 #ifndef BOOST_ALIGN_DETAIL_ALIGN_UP_HPP
   9 #define BOOST_ALIGN_DETAIL_ALIGN_UP_HPP
  10
  11 #include <boost/align/detail/is_alignment.hpp>
  12 #include <boost/assert.hpp>
  13
  14 namespace boost {
  15 namespace alignment {
  16
  17 inline void*
  18 align_up(void* ptr, std::size_t alignment) BOOST_NOEXCEPT
  19 {
  20     BOOST_ASSERT(detail::is_alignment(alignment));
  21     return reinterpret_cast<void*>(~(alignment - 1) &
  22         (reinterpret_cast<std::size_t>(ptr) + alignment - 1));
  23 }
  24
  25 } /* alignment */
  26 } /* boost */
  27
  28 #endif