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23 lines
480 B
C
23 lines
480 B
C
#ifndef UTIL_H
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#define UTIL_H
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#include <stdnoreturn.h>
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#define likely(x) __builtin_expect(!!(x), 1)
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#define unlikely(x) __builtin_expect(!!(x), 0)
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#define COLD __attribute__((cold))
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#define UNUSED __attribute__((unused))
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#define EXPORT __attribute__((visibility("default")))
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#define STRINGIFY(s) #s
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#define ALIAS(f) __attribute__((alias(STRINGIFY(f))))
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static inline int ffzl(long x) {
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return __builtin_ffsl(~x);
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}
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COLD noreturn void fatal_error(const char *s);
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#endif
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