//
//  Copyright (c) 2012 Artyom Beilis (Tonkikh)
//  Copyright (c) 2020 Alexander Grund
//
//  Distributed under the Boost Software License, Version 1.0. (See
//  accompanying file LICENSE or copy at
//  http://www.boost.org/LICENSE_1_0.txt)
//
#ifndef NOWIDE_CONFIG_HPP_INCLUDED
#define NOWIDE_CONFIG_HPP_INCLUDED

#include <boost/nowide/replacement.hpp>

// MinGW32 requires a __MSVCRT_VERSION__ defined to make some functions available, e.g. _stat64
// Hence define this here to target MSVC 7.0 which has the required functions and do it as early as possible
// as including a system header might default this to 0x0600 which is to low
#if defined(__MINGW32__) && !defined(__MSVCRT_VERSION__)
#define __MSVCRT_VERSION__ 0x0700
#endif

#if(defined(__WIN32) || defined(_WIN32) || defined(WIN32)) && !defined(__CYGWIN__)
#define NOWIDE_WINDOWS
#endif

#ifdef _MSC_VER
#define NOWIDE_MSVC _MSC_VER
#endif

#ifdef __GNUC__
#define BOOST_SYMBOL_VISIBLE __attribute__((__visibility__("default")))
#endif

#ifndef BOOST_SYMBOL_VISIBLE
#define BOOST_SYMBOL_VISIBLE
#endif

#ifdef NOWIDE_WINDOWS
#define BOOST_SYMBOL_EXPORT __declspec(dllexport)
#define BOOST_SYMBOL_IMPORT __declspec(dllimport)
#else
#define BOOST_SYMBOL_EXPORT BOOST_SYMBOL_VISIBLE
#define BOOST_SYMBOL_IMPORT
#endif

#if defined(BOOST_NOWIDE_DYN_LINK)
#ifdef BOOST_NOWIDE_SOURCE
#define BOOST_NOWIDE_DECL BOOST_SYMBOL_EXPORT
#else
#define BOOST_NOWIDE_DECL BOOST_SYMBOL_IMPORT
#endif // BOOST_NOWIDE_SOURCE
#else
#define BOOST_NOWIDE_DECL
#endif // BOOST_NOWIDE_DYN_LINK

#ifndef NOWIDE_DECL
#define NOWIDE_DECL
#endif

#if defined(NOWIDE_WINDOWS)
#ifdef BOOST_NOWIDE_USE_FILEBUF_REPLACEMENT
#undef BOOST_NOWIDE_USE_FILEBUF_REPLACEMENT
#endif
#define BOOST_NOWIDE_USE_FILEBUF_REPLACEMENT 1
#elif !defined(BOOST_NOWIDE_USE_FILEBUF_REPLACEMENT)
#define BOOST_NOWIDE_USE_FILEBUF_REPLACEMENT 0
#endif

#if defined(__GNUC__) && __GNUC__ >= 7
#define BOOST_NOWIDE_FALLTHROUGH __attribute__((fallthrough))
#else
#define BOOST_NOWIDE_FALLTHROUGH
#endif

#if defined __GNUC__
#define BOOST_LIKELY(x) __builtin_expect(x, 1)
#define BOOST_UNLIKELY(x) __builtin_expect(x, 0)
#else
#if !defined(BOOST_LIKELY)
#define BOOST_LIKELY(x) x
#endif
#if !defined(BOOST_UNLIKELY)
#define BOOST_UNLIKELY(x) x
#endif
#endif

#endif