42 lines
893 B
C
42 lines
893 B
C
#ifndef UTIL_H
|
|
#define UTIL_H
|
|
|
|
#include <stdint.h>
|
|
#include <stdnoreturn.h>
|
|
|
|
#define likely(x) __builtin_expect(!!(x), 1)
|
|
#define unlikely(x) __builtin_expect(!!(x), 0)
|
|
|
|
#define min(x, y) ({ \
|
|
__typeof__(x) _x = (x); \
|
|
__typeof__(y) _y = (y); \
|
|
(void) (&_x == &_y); \
|
|
_x < _y ? _x : _y; })
|
|
|
|
#define max(x, y) ({ \
|
|
__typeof__(x) _x = (x); \
|
|
__typeof__(y) _y = (y); \
|
|
(void) (&_x == &_y); \
|
|
_x > _y ? _x : _y; })
|
|
|
|
#define COLD __attribute__((cold))
|
|
#define UNUSED __attribute__((unused))
|
|
#define EXPORT __attribute__((visibility("default")))
|
|
|
|
#define STRINGIFY(s) #s
|
|
#define ALIAS(f) __attribute__((alias(STRINGIFY(f))))
|
|
|
|
static inline int ffzl(long x) {
|
|
return __builtin_ffsl(~x);
|
|
}
|
|
|
|
COLD noreturn void fatal_error(const char *s);
|
|
|
|
typedef uint8_t u8;
|
|
typedef uint16_t u16;
|
|
typedef uint32_t u32;
|
|
typedef uint64_t u64;
|
|
typedef unsigned __int128 u128;
|
|
|
|
#endif
|