core.h

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#pragma once
#include <stdlib.h>
 
#define NAME_EXPANDED(pre, post) pre##_##post
#define NAME(pre, post) NAME_EXPANDED(pre, post)
 
#define LIKELY(x) __builtin_expect(!!(x), 1)
 
#define MAYBE_NULL(T) T*
#define NEVER_NULL(T) T*
 
#define OUT(ptr) ptr
#define IN(ptr) ptr
#define INOUT(ptr) ptr
 
#define EXPAND(...) __VA_ARGS__
 
typedef struct {
#ifdef __cplusplus
    char _dummy_cpp_object_size_compatibility __attribute__((unused));
#endif
} gdb_marker;
 
static inline size_t next_power_of_2(size_t x) {
    if (x == 0)
        return 1;
    x--;
    x |= x >> 1;
    x |= x >> 2;
    x |= x >> 4;
    x |= x >> 8;
    x |= x >> 16;
#if SIZE_MAX > 0xFFFFFFFF
    x |= x >> 32; // For 64-bit platforms
#endif
    return x + 1;
}
 
#define FORCE_INLINE inline __attribute__((always_inline))