ceph/src/boost/boost/log/detail/c_str.hpp

   1 /*
   2  *             Copyright Andrey Semashev 2016.
   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   c_str.hpp
   9  * \author Andrey Semashev
  10  * \date   23.02.2016
  11  *
  12  * This header is the Boost.Log library implementation, see the library documentation
  13  * at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
  14  */
  15
  16 #ifndef BOOST_LOG_DETAIL_C_STR_HPP_INCLUDED_
  17 #define BOOST_LOG_DETAIL_C_STR_HPP_INCLUDED_
  18
  19 #include <string>
  20 #include <boost/core/enable_if.hpp>
  21 #include <boost/log/detail/config.hpp>
  22 #include <boost/log/detail/is_character_type.hpp>
  23 #include <boost/log/detail/header.hpp>
  24
  25 #ifdef BOOST_HAS_PRAGMA_ONCE
  26 #pragma once
  27 #endif
  28
  29 namespace boost {
  30
  31 BOOST_LOG_OPEN_NAMESPACE
  32
  33 namespace aux {
  34
  35 template< typename T >
  36 inline typename boost::enable_if_c< is_character_type< T >::value, const T* >::type c_str(const T* str) BOOST_NOEXCEPT
  37 {
  38     return str;
  39 }
  40
  41 template< typename T, typename TraitsT, typename AllocatorT >
  42 inline typename boost::enable_if_c< is_character_type< T >::value, const T* >::type c_str(std::basic_string< T, TraitsT, AllocatorT > const& str) BOOST_NOEXCEPT
  43 {
  44     return str.c_str();
  45 }
  46
  47 } // namespace aux
  48
  49 BOOST_LOG_CLOSE_NAMESPACE // namespace log
  50
  51 } // namespace boost
  52
  53 #include <boost/log/detail/footer.hpp>
  54
  55 #endif // BOOST_LOG_DETAIL_C_STR_HPP_INCLUDED_