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. */ 29 typedef 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 39 typedef __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 49 typedef __gnuc_va_list va_list; 50 51 #endif /* _VARARGS_H_ */ 52