/*

 * Copyright (C) the libgit2 contributors. All rights reserved.

 *

 * This file is part of libgit2, distributed under the GNU GPL v2 with

 * a Linking Exception. For full terms see the included COPYING file.

 */

#ifndef INCLUDE_compat_h__

#define INCLUDE_compat_h__

#include <stdarg.h>

/*

 * See if our compiler is known to support flexible array members.

 */

#ifndef GIT_FLEX_ARRAY

#	if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L)

#		define GIT_FLEX_ARRAY /* empty */

#	elif defined(__GNUC__)

#		if (__GNUC__ >= 3)

#			define GIT_FLEX_ARRAY /* empty */

#		else

#			define GIT_FLEX_ARRAY 0 /* older GNU extension */

#		endif

#	endif

/* Default to safer but a bit wasteful traditional style */

#	ifndef GIT_FLEX_ARRAY

#		define GIT_FLEX_ARRAY 1

#	endif

#endif

#ifdef __GNUC__

#	define GIT_TYPEOF(x) (__typeof__(x))

#else

#	define GIT_TYPEOF(x)

#endif

#if defined(__GNUC__)

#	define GIT_ALIGN(x,size) x __attribute__ ((aligned(size)))

#elif defined(_MSC_VER)

#	define GIT_ALIGN(x,size) __declspec(align(size)) x

#else

#	define GIT_ALIGN(x,size) x

#endif

#define GIT_UNUSED(x) ((void)(x))

/* Define the printf format specifer to use for size_t output */

#if defined(_MSC_VER) || defined(__MINGW32__)

#	define PRIuZ "Iu"

#	define PRIxZ "Ix"

#	define PRIdZ "Id"

#else

#	define PRIuZ "zu"

#	define PRIxZ "zx"

#	define PRIdZ "zd"

#endif

/* Micosoft Visual C/C++ */

#if defined(_MSC_VER)

/* disable "deprecated function" warnings */

#	pragma warning ( disable : 4996 )

/* disable "conditional expression is constant" level 4 warnings */

#	pragma warning ( disable : 4127 )

#endif

#if defined (_MSC_VER)

	typedef unsigned char bool;

#	ifndef true

#		define true 1

#	endif

#	ifndef false

#		define false 0

#	endif

#else

#	include <stdbool.h>

#endif

#ifndef va_copy

#	ifdef __va_copy

#		define va_copy(dst, src) __va_copy(dst, src)

#	else

#		define va_copy(dst, src) ((dst) = (src))

#	endif

#endif

#endif /* INCLUDE_compat_h__ */