mirror of
https://github.com/openharmony/third_party_Linux_Kernel.git
synced 2026-07-20 22:05:44 -04:00
maguangyao
31 lines
581 B
C
31 lines
581 B
C
#ifndef _LINUX_STDDEF_H
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#define _LINUX_STDDEF_H
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#include <uapi/linux/stddef.h>
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#undef NULL
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#define NULL ((void *)0)
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enum {
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false = 0,
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true = 1
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};
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#undef offsetof
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#ifdef __compiler_offsetof
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#define offsetof(TYPE, MEMBER) __compiler_offsetof(TYPE, MEMBER)
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#else
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#define offsetof(TYPE, MEMBER) ((size_t)&((TYPE *)0)->MEMBER)
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#endif
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/**
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* offsetofend(TYPE, MEMBER)
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*
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* @TYPE: The type of the structure
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* @MEMBER: The member within the structure to get the end offset of
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*/
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#define offsetofend(TYPE, MEMBER) \
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(offsetof(TYPE, MEMBER) + sizeof(((TYPE *)0)->MEMBER))
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#endif
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