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/*
* 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_cc_compat_h__
#define INCLUDE_cc_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
#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
#if defined(__GNUC__)
# define GIT_UNUSED(x) \
do { \
__typeof__(x) _unused __attribute__((unused)); \
_unused = (x); \
} while (0)
#else
# define GIT_UNUSED(x) ((void)(x))
#endif
/* Define the printf format specifier to use for size_t output */
#if defined(_MSC_VER) || defined(__MINGW32__)
/* Visual Studio 2012 and prior lack PRId64 entirely */
# ifndef PRId64
# define PRId64 "I64d"
# endif
/* The first block is needed to avoid warnings on MingW amd64 */
# if (SIZE_MAX == ULLONG_MAX)
# define PRIuZ "I64u"
# define PRIxZ "I64x"
# define PRIXZ "I64X"
# define PRIdZ "I64d"
# else
# define PRIuZ "Iu"
# define PRIxZ "Ix"
# define PRIXZ "IX"
# define PRIdZ "Id"
# endif
#else
# define PRIuZ "zu"
# define PRIxZ "zx"
# 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
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