wine/include/msvcrt/stddef.h
Jacek Caban de9982f069 include: Use __builtin_offsetof on Clang.
Fixes a number of warning on MSVC target.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2021-10-07 18:03:11 +02:00

44 lines
1.3 KiB
C

/*
* Copyright 2000 Francois Gouget.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef __WINE_STDDEF_H
#define __WINE_STDDEF_H
#include <corecrt.h>
#if defined(__GNUC__) || defined(__clang__)
#define offsetof(s,m) __builtin_offsetof(s,m)
#elif defined(_WIN64)
#define offsetof(s,m) (size_t)((ptrdiff_t)&(((s*)NULL)->m))
#else
#define offsetof(s,m) (size_t)&(((s*)NULL)->m)
#endif
#ifdef __cplusplus
extern "C" {
#endif
_ACRTIMP __msvcrt_ulong __cdecl __threadid(void);
_ACRTIMP __msvcrt_ulong __cdecl __threadhandle(void);
#define _threadid (__threadid())
#ifdef __cplusplus
}
#endif
#endif /* __WINE_STDDEF_H */