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__offsetof__ is a builtin, so we need __GNU_PREREQ

This commit is contained in:
christos 2006-08-21 15:31:18 +00:00
parent a162f659c6
commit 93e48bdb1e
1 changed files with 4 additions and 2 deletions
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6
include/stddef.h
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@ -1,4 +1,4 @@
/* $NetBSD: stddef.h,v 1.13 2006/08/21 15:26:49 christos Exp $ */
/* $NetBSD: stddef.h,v 1.14 2006/08/21 15:31:18 christos Exp $ */
/*-
* Copyright (c) 1990, 1993
@ -34,6 +34,8 @@
#ifndef _STDDEF_H_
#define _STDDEF_H_
#include <sys/cdefs.h>
#include <sys/featuretest.h>
#include <machine/ansi.h>
typedef _BSD_PTRDIFF_T_ ptrdiff_t;
@ -55,7 +57,7 @@ typedef _BSD_WCHAR_T_ wchar_t;
#elif !defined(__cplusplus)
#define offsetof(type, member) ((size_t)(unsigned long)(&((type *)0)->member))
#else
#ifndef __offsetof__
#if !__GNUC_PREREQ__(3, 4)
#define __offsetof__(a) a
#endif
#define offsetof(type, member) __offsetof__((reinterpret_cast<size_t> \