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musl/include/stddef.h

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initial check-in, version 0.5.0
2011-02-12 05:22:29 +00:00
#ifndef _STDDEF_H
#define _STDDEF_H
#undef NULL
#ifdef __cplusplus
#define NULL 0
#else
#define NULL ((void*)0)
#endif
#define __NEED_ptrdiff_t
#define __NEED_size_t
#define __NEED_wchar_t
#include <bits/alltypes.h>
use __builtin_offsetof to implement offsetof when possible apparently recent gcc versions have intentionally broken the traditional definition by treating it as a non-constant expression. the traditional definition may also be problematic for c++ programs.
2012-12-05 05:00:42 +00:00
#if __GNUC__ > 3
#define offsetof(type, member) __builtin_offsetof(type, member)
#else
initial check-in, version 0.5.0
2011-02-12 05:22:29 +00:00
#define offsetof(type, member) ((size_t)( (char *)&(((type *)0)->member) - (char *)0 ))
use __builtin_offsetof to implement offsetof when possible apparently recent gcc versions have intentionally broken the traditional definition by treating it as a non-constant expression. the traditional definition may also be problematic for c++ programs.
2012-12-05 05:00:42 +00:00
#endif
initial check-in, version 0.5.0
2011-02-12 05:22:29 +00:00
#endif