ohmu
·
2026-10-15
1#pragma once
2
3#include <assert.h>
4
5#ifdef __has_builtin
6 #if !__cplusplus && FF_SUPPORTS_COUNT_OF
7 #define ARRAY_SIZE(x) _Countof(x)
8 #elif __has_builtin(__is_array)
9 #define ARRAY_SIZE(x) ({ static_assert(__is_array(typeof(x)), "Must be an array"); (uint32_t) (sizeof(x) / sizeof(*(x))); })
10 #elif __has_builtin(__builtin_types_compatible_p)
11 #define ARRAY_SIZE(x) ({ static_assert(!__builtin_types_compatible_p(typeof(x), typeof(&*(x))), "Must not be a pointer"); (uint32_t) (sizeof(x) / sizeof(*(x))); })
12 #endif
13#endif
14#ifndef ARRAY_SIZE
15 #define ARRAY_SIZE(x) ((uint32_t) (sizeof(x) / sizeof(*(x))))
16#endif