wine/include/msvcrt/vadefs.h

63 lines
2 KiB
C
Raw Normal View History

/*
* Variable argument definitions
*
* Copyright 2022 Jacek Caban
*
* 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 _INC_VADEFS
#define _INC_VADEFS
#include <corecrt.h>
#ifdef __cplusplus
#define _ADDRESSOF(v) (&reinterpret_cast<const char &>(v))
#else
#define _ADDRESSOF(v) (&(v))
#endif
#if defined (__GNUC__) && (defined(__x86_64__) || (defined(__aarch64__) && __has_attribute(ms_abi)))
typedef __builtin_ms_va_list va_list;
#define _crt_va_start(v,l) __builtin_ms_va_start(v,l)
#define _crt_va_arg(v,l) __builtin_va_arg(v,l)
#define _crt_va_end(v) __builtin_ms_va_end(v)
#define _crt_va_copy(d,s) __builtin_ms_va_copy(d,s)
#elif defined(__GNUC__) || defined(__clang__)
typedef __builtin_va_list va_list;
#define _crt_va_start(v,l) __builtin_va_start(v,l)
#define _crt_va_arg(v,l) __builtin_va_arg(v,l)
#define _crt_va_end(v) __builtin_va_end(v)
#define _crt_va_copy(d,s) __builtin_va_copy(d,s)
#else
typedef char *va_list;
#if defined(__i386__)
#define _INTSIZEOF(n) ((sizeof(n) + sizeof(int) - 1) & ~(sizeof(int) - 1))
#define _crt_va_start(v,l) ((v) = (va_list)_ADDRESSOF(l) + _INTSIZEOF(l))
#define _crt_va_arg(v,l) (*(l *)(((v) += _INTSIZEOF(l)) - _INTSIZEOF(l)))
#define _crt_va_end(v) ((v) = (va_list)0)
#define _crt_va_copy(d,s) ((d) = (s))
#endif
#endif
#endif /* _INC_VADEFS */