1/* $OpenBSD: varargs.h,v 1.4 2020/07/21 23:09:00 daniel Exp $ */ 2/* 3 * Copyright (c) 2003, 2004 Marc espie <espie@openbsd.org> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18#ifndef _VARARGS_H_ 19#define _VARARGS_H_ 20 21/* These macros implement traditional (non-ANSI) varargs 22 for GNU C. */ 23 24#define va_alist __builtin_va_alist 25 26#define __va_ellipsis ... 27 28/* ??? We don't process attributes correctly in K&R argument context. */ 29typedef int __builtin_va_alist_t __attribute__((__mode__(__word__))); 30 31/* ??? It would be nice to get rid of the ellipsis here. It causes 32 current_function_varargs to be set in cc1. */ 33#define va_dcl __builtin_va_alist_t __builtin_va_alist; ... 34 35/* Define __gnuc_va_list, just as in stdarg.h. */ 36 37#ifndef __GNUC_VA_LIST 38#define __GNUC_VA_LIST 39typedef __builtin_va_list __gnuc_va_list; 40#endif 41 42#define va_start(v) __builtin_varargs_start((v)) 43#define va_end __builtin_va_end 44#define va_arg __builtin_va_arg 45#define __va_copy(d,s) __builtin_va_copy((d),(s)) 46 47/* Define va_list from __gnuc_va_list. */ 48 49typedef __gnuc_va_list va_list; 50 51#endif /* _VARARGS_H_ */ 52