shared_ptr_array.hpp

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// Copyright Takatoshi Kondo 2019
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
 
#if !defined(MQTT_SHARED_PTR_ARRAY_HPP)
#define MQTT_SHARED_PTR_ARRAY_HPP
 
#if defined(_DOXYGEN_)
 
using shared_ptr_array = std::shared_ptr<char []>;
using const_shared_ptr_array = std::shared_ptr<char const []>;
 
inline shared_ptr_array make_shared_ptr_array(std::size_t size);
 
#else  // defined(_DOXYGEN_)
 
#include <mqtt/namespace.hpp>
 
#ifdef MQTT_STD_SHARED_PTR_ARRAY
 
#include <memory>
 
namespace MQTT_NS {
 
using shared_ptr_array = std::shared_ptr<char []>;
using const_shared_ptr_array = std::shared_ptr<char const []>;
 
inline shared_ptr_array make_shared_ptr_array(std::size_t size) {
#if __cplusplus > 201703L // C++20 date is not determined yet
    return std::make_shared<char[]>(size);
#else  // __cplusplus > 201703L
    return std::shared_ptr<char[]>(new char[size]);
#endif // __cplusplus > 201703L
}
 
} // namespace MQTT_NS
 
#else  // MQTT_STD_SHARED_PTR_ARRAY
 
#include <boost/shared_ptr.hpp>
#include <boost/smart_ptr/make_shared.hpp>
 
namespace MQTT_NS {
 
using shared_ptr_array = boost::shared_ptr<char []>;
using const_shared_ptr_array = boost::shared_ptr<char const []>;
 
inline shared_ptr_array make_shared_ptr_array(std::size_t size) {
    return boost::make_shared<char[]>(size);
}
 
} // namespace MQTT_NS
 
#endif // MQTT_STD_SHARED_PTR_ARRAY
 
#endif // defined(_DOXYGEN_)
 
#endif // MQTT_SHARED_PTR_ARRAY_HPP