defines.h

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#ifndef PRISM_DEFINES_H
#define PRISM_DEFINES_H
 
#include <ctype.h>
#include <limits.h>
#include <math.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
 
#define __STDC_FORMAT_MACROS
// Include sys/types.h before inttypes.h to work around issue with
// certain versions of GCC and newlib which causes omission of PRIx64
#include <sys/types.h>
#include <inttypes.h>
 
#ifndef PRISM_DEPTH_MAXIMUM
    #define PRISM_DEPTH_MAXIMUM 10000
#endif
 
#ifndef PRISM_EXPORTED_FUNCTION
#   ifdef PRISM_EXPORT_SYMBOLS
#       ifdef _WIN32
#          define PRISM_EXPORTED_FUNCTION __declspec(dllexport) extern
#       else
#          define PRISM_EXPORTED_FUNCTION __attribute__((__visibility__("default"))) extern
#       endif
#   else
#       define PRISM_EXPORTED_FUNCTION
#   endif
#endif
 
#if defined(__GNUC__)
#   if defined(__MINGW_PRINTF_FORMAT)
#       define PRISM_ATTRIBUTE_FORMAT(string_index, argument_index) __attribute__((format(__MINGW_PRINTF_FORMAT, string_index, argument_index)))
#   else
#       define PRISM_ATTRIBUTE_FORMAT(string_index, argument_index) __attribute__((format(printf, string_index, argument_index)))
#   endif
#elif defined(__clang__)
#   define PRISM_ATTRIBUTE_FORMAT(string_index, argument_index) __attribute__((__format__(__printf__, string_index, argument_index)))
#else
#   define PRISM_ATTRIBUTE_FORMAT(string_index, argument_index)
#endif
 
#if defined(__GNUC__)
#   define PRISM_ATTRIBUTE_UNUSED __attribute__((unused))
#else
#   define PRISM_ATTRIBUTE_UNUSED
#endif
 
#if defined(_MSC_VER) && !defined(inline)
#   define inline __inline
#endif
 
#if !defined(snprintf) && defined(_MSC_VER) && (_MSC_VER < 1900)
#   define snprintf _snprintf
#endif
 
#define PM_CONCATENATE(left, right) left ## right
 
#if defined(_Static_assert)
#   define PM_STATIC_ASSERT(line, condition, message) _Static_assert(condition, message)
#else
#   define PM_STATIC_ASSERT(line, condition, message) typedef char PM_CONCATENATE(static_assert_, line)[(condition) ? 1 : -1]
#endif
 
#ifdef _WIN32
#   define PRISM_HAS_MMAP
#else
#   include <unistd.h>
#   ifdef _POSIX_MAPPED_FILES
#       define PRISM_HAS_MMAP
#   endif
#endif
 
#ifndef PRISM_HAS_NO_FILESYSTEM
#   define PRISM_HAS_FILESYSTEM
#endif
 
#ifdef __MINGW64__
    #include <float.h>
    #define PRISM_ISINF(x) (!_finite(x))
#else
    #define PRISM_ISINF(x) isinf(x)
#endif
 
#ifdef PRISM_XALLOCATOR
    #include "prism_xallocator.h"
#else
    #ifndef xmalloc
        #define xmalloc malloc
    #endif
 
    #ifndef xrealloc
        #define xrealloc realloc
    #endif
 
    #ifndef xcalloc
        #define xcalloc calloc
    #endif
 
    #ifndef xfree
        #define xfree free
    #endif
#endif
 
#ifdef PRISM_BUILD_MINIMAL
    #define PRISM_EXCLUDE_SERIALIZATION
 
    #define PRISM_EXCLUDE_JSON
 
    #define PRISM_EXCLUDE_PACK
 
    #define PRISM_EXCLUDE_PRETTYPRINT
 
    #define PRISM_ENCODING_EXCLUDE_FULL
#endif
 
#if defined(__GNUC__) || defined(__clang__)
    #define PRISM_LIKELY(x) __builtin_expect(!!(x), 1)
 
    #define PRISM_UNLIKELY(x) __builtin_expect(!!(x), 0)
#else
    #define PRISM_LIKELY(x)   (x)
 
    #define PRISM_UNLIKELY(x) (x)
#endif
 
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L // C23 or later
    #define PRISM_FALLTHROUGH [[fallthrough]];
#elif defined(__GNUC__) || defined(__clang__)
    #define PRISM_FALLTHROUGH __attribute__((fallthrough));
#elif defined(_MSC_VER)
    #define PRISM_FALLTHROUGH __fallthrough;
#else
    #define PRISM_FALLTHROUGH
#endif
 
#endif