spdlog/include/spdlog/details/traits.h

#pragma once
//
// Copyright(c) 2018 Gabi Melman.
// Distributed under the MIT License (http://opensource.org/licenses/MIT)
//

#include "stdio.h"
namespace spdlog {
	namespace details {
		struct console_stdout_trait
		{
			static FILE* stream() {return stdout;}
#ifdef _WIN32
			static HANDLE handle() { return ::GetStdHandle(STD_OUTPUT_HANDLE); }
#endif
		};

		struct console_stderr_trait
		{
			static FILE* stream() { return stdout; }
#ifdef _WIN32
			static HANDLE handle() { return ::GetStdHandle(STD_ERROR_HANDLE); }
#endif
		};

		struct console_mutex_trait
		{
			using mutex_t = std::mutex;			
			static mutex_t& console_mutex()
			{ 
				static auto &mutex = mutex_t{};
				return mutex;
			}
		};

		struct console_null_mutex_trait
		{
			using mutex_t = null_mutex;
			static mutex_t& console_mutex()
			{
				static auto mutex = mutex_t{};
				return mutex;
			}
		};
	}
}