log/detail/c_str.hpp

0001 /*
0002  *             Copyright Andrey Semashev 2016.
0003  * Distributed under the Boost Software License, Version 1.0.
0004  *    (See accompanying file LICENSE_1_0.txt or copy at
0005  *          http://www.boost.org/LICENSE_1_0.txt)
0006  */
0007 /*!
0008  * \file   c_str.hpp
0009  * \author Andrey Semashev
0010  * \date   23.02.2016
0011  *
0012  * This header is the Boost.Log library implementation, see the library documentation
0013  * at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html.
0014  */
0015
0016 #ifndef BOOST_LOG_DETAIL_C_STR_HPP_INCLUDED_
0017 #define BOOST_LOG_DETAIL_C_STR_HPP_INCLUDED_
0018
0019 #include <string>
0020 #include <boost/core/enable_if.hpp>
0021 #include <boost/log/detail/config.hpp>
0022 #include <boost/log/detail/is_character_type.hpp>
0023 #include <boost/log/detail/header.hpp>
0024
0025 #ifdef BOOST_HAS_PRAGMA_ONCE
0026 #pragma once
0027 #endif
0028
0029 namespace boost {
0030
0031 BOOST_LOG_OPEN_NAMESPACE
0032
0033 namespace aux {
0034
0035 template< typename T >
0036 inline typename boost::enable_if_c< is_character_type< T >::value, const T* >::type c_str(const T* str) BOOST_NOEXCEPT
0037 {
0038     return str;
0039 }
0040
0041 template< typename T, typename TraitsT, typename AllocatorT >
0042 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
0043 {
0044     return str.c_str();
0045 }
0046
0047 } // namespace aux
0048
0049 BOOST_LOG_CLOSE_NAMESPACE // namespace log
0050
0051 } // namespace boost
0052
0053 #include <boost/log/detail/footer.hpp>
0054
0055 #endif // BOOST_LOG_DETAIL_C_STR_HPP_INCLUDED_