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

   1 /*
   2 Copyright 2014 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_IS_ALIGNED_HPP
   9 #define BOOST_ALIGN_DETAIL_IS_ALIGNED_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 bool
  18 is_aligned(const volatile void* ptr, std::size_t alignment) BOOST_NOEXCEPT
  19 {
  20     BOOST_ASSERT(detail::is_alignment(alignment));
  21     return (reinterpret_cast<std::size_t>(ptr) & (alignment - 1)) == 0;
  22 }
  23
  24 inline bool
  25 is_aligned(std::size_t alignment, const volatile void* ptr) BOOST_NOEXCEPT
  26 {
  27     BOOST_ASSERT(detail::is_alignment(alignment));
  28     return (reinterpret_cast<std::size_t>(ptr) & (alignment - 1)) == 0;
  29 }
  30
  31 } /* alignment */
  32 } /* boost */
  33
  34 #endif