ceph/src/boost/libs/uuid/include/boost/uuid/detail/uuid_generic.hpp

   1 /*
   2  *             Copyright Andy Tompkins 2006.
   3  * Distributed under the Boost Software License, Version 1.0.
   4  *    (See accompanying file LICENSE_1_0.txt or copy at
   5  *          http://www.boost.org/LICENSE_1_0.txt)
   6  */
   7 /*!
   8  * \file   uuid/detail/uuid_generic.hpp
   9  *
  10  * \brief  This header contains generic implementation of \c boost::uuid operations.
  11  */
  12
  13 #ifndef BOOST_UUID_DETAIL_UUID_GENERIC_HPP_INCLUDED_
  14 #define BOOST_UUID_DETAIL_UUID_GENERIC_HPP_INCLUDED_
  15
  16 #include <string.h>
  17
  18 namespace boost {
  19 namespace uuids {
  20
  21 inline bool uuid::is_nil() const BOOST_NOEXCEPT
  22 {
  23     for (std::size_t i = 0; i < sizeof(data); ++i)
  24     {
  25         if (data[i] != 0U)
  26             return false;
  27     }
  28     return true;
  29 }
  30
  31 inline void uuid::swap(uuid& rhs) BOOST_NOEXCEPT
  32 {
  33     uuid tmp = *this;
  34     *this = rhs;
  35     rhs = tmp;
  36 }
  37
  38 inline bool operator== (uuid const& lhs, uuid const& rhs) BOOST_NOEXCEPT
  39 {
  40     return memcmp(lhs.data, rhs.data, sizeof(lhs.data)) == 0;
  41 }
  42
  43 inline bool operator< (uuid const& lhs, uuid const& rhs) BOOST_NOEXCEPT
  44 {
  45     return memcmp(lhs.data, rhs.data, sizeof(lhs.data)) < 0;
  46 }
  47
  48 } // namespace uuids
  49 } // namespace boost
  50
  51 #endif // BOOST_UUID_DETAIL_UUID_GENERIC_HPP_INCLUDED_