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///////////////////////////////////////////////////////////////////////////////
//
/// \file tuklib_common.h
/// \brief Common definitions for tuklib modules
//
// Author: Lasse Collin
//
// This file has been put into the public domain.
// You can do whatever you want with this file.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef TUKLIB_COMMON_H
#define TUKLIB_COMMON_H
// The config file may be replaced by a package-specific file.
// It should include at least stddef.h, stdbool.h, inttypes.h, and limits.h.
#include "tuklib_config.h"
// TUKLIB_SYMBOL_PREFIX is prefixed to all symbols exported by
// the tuklib modules. If you use a tuklib module in a library,
// you should use TUKLIB_SYMBOL_PREFIX to make sure that there
// are no symbol conflicts in case someone links your library
// into application that also uses the same tuklib module.
#ifndef TUKLIB_SYMBOL_PREFIX
# define TUKLIB_SYMBOL_PREFIX
#endif
#define TUKLIB_CAT_X(a, b) a ## b
#define TUKLIB_CAT(a, b) TUKLIB_CAT_X(a, b)
#ifndef TUKLIB_SYMBOL
# define TUKLIB_SYMBOL(sym) TUKLIB_CAT(TUKLIB_SYMBOL_PREFIX, sym)
#endif
#ifndef TUKLIB_DECLS_BEGIN
# ifdef __cplusplus
# define TUKLIB_DECLS_BEGIN extern "C" {
# else
# define TUKLIB_DECLS_BEGIN
# endif
#endif
#ifndef TUKLIB_DECLS_END
# ifdef __cplusplus
# define TUKLIB_DECLS_END }
# else
# define TUKLIB_DECLS_END
# endif
#endif
#if defined(__GNUC__) && defined(__GNUC_MINOR__)
# define TUKLIB_GNUC_REQ(major, minor) \
((__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)) \
|| __GNUC__ > (major))
#else
# define TUKLIB_GNUC_REQ(major, minor) 0
#endif
#if TUKLIB_GNUC_REQ(2, 5)
# define tuklib_attr_noreturn __attribute__((__noreturn__))
#else
# define tuklib_attr_noreturn
#endif
#if (defined(_WIN32) && !defined(__CYGWIN__)) \
|| defined(__OS2__) || defined(__MSDOS__)
# define TUKLIB_DOSLIKE 1
#endif
// Clang has a macro to check if the compiler supports a certain warning.
// If this macro is used with a compiler that does not support this macro
// (like gcc), then it will cause a preprocessor error.
#ifndef __has_warning
# define __has_warning(warn) 0
#endif
#endif
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