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23 lines
843 B
C
23 lines
843 B
C
#pragma once
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#include <common/stddef.h>
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// 当函数的返回值未被使用时，编译器抛出警告信息
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#define __must_check __attribute__((__warn_unused_result__))
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#define __force __attribute__((force))
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// 无返回值的属性
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#define __noreturn __attribute__((__noreturn__))
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/*
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* Optional: only supported since clang >= 14.0
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*
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* gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-error-function-attribute
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*/
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#if __has_attribute(__error__)
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#define __compiletime_error(msg) __attribute__((__error__(msg)))
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#else
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#define __compiletime_error(msg)
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#endif
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typedef uint8_t __attribute__((__may_alias__)) __u8_alias_t;
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typedef uint16_t __attribute__((__may_alias__)) __u16_alias_t;
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typedef uint32_t __attribute__((__may_alias__)) __u32_alias_t;
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typedef uint64_t __attribute__((__may_alias__)) __u64_alias_t; |