#pragma once

#define ATTR_NONNULL_ALL __attribute__((nonnull))
#define ATTR_NONNULL(...) __attribute__((nonnull(__VA_ARGS__)))

#define ATTR_PRINTF(fmtpos, argpos) __attribute__(( format(printf, (fmtpos), (argpos) ) ))
#define ATTR_STRFTIME(fmtpos) __attribute__(( format(strftime, (fmtpos), 0 ) ))

#define ATTR_PACKED __attribute__((packed))

#define ATTR_WEAK __attribute__((weak))

#define ATTR_LIKELY(x) __builtin_expect((x), 1)
#define ATTR_UNLIKELY(x) __builtin_expect((x), 0)