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Misc updates to stddef.h to improve resiliency

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mintsuki 2023-04-25 21:36:04 +02:00
parent 7d5edad571
commit c60b8d7068
1 changed files with 2 additions and 3 deletions
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stddef.h
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@ -23,20 +23,19 @@ typedef decltype(nullptr) nullptr_t;
#ifndef __FSTD_HDRS_STDDEF_H_MACROS
#define __FSTD_HDRS_STDDEF_H_MACROS 1
#ifdef NULL
#undef NULL
#endif
#ifndef __cplusplus
# define NULL ((void *)0)
#else
# define NULL 0
#endif
#undef offsetof
#define offsetof(s, m) __builtin_offsetof(s, m)
/* XXX fix to use proper __STDC_VERSION__ number later on */
#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 202000L)
# undef unreachable
# define unreachable() __builtin_unreachable()
#endif