File: [local] / sys / sys / varargs.h (download)
Revision 1.1, Tue Mar 4 16:16:14 2008 UTC (16 years, 3 months ago) by nbrk
Branch point for: MAIN
Initial revision
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/* $OpenBSD: varargs.h,v 1.2 2004/01/03 14:55:34 espie Exp $ */
/*
* Copyright (c) 2003, 2004 Marc espie <espie@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _VARARGS_H_
#define _VARARGS_H_
#if defined(__GNUC__) && __GNUC__ >= 3
/* These macros implement traditional (non-ANSI) varargs
for GNU C. */
#define va_alist __builtin_va_alist
#define __va_ellipsis ...
/* ??? We don't process attributes correctly in K&R argument context. */
typedef int __builtin_va_alist_t __attribute__((__mode__(__word__)));
/* ??? It would be nice to get rid of the ellipsis here. It causes
current_function_varargs to be set in cc1. */
#define va_dcl __builtin_va_alist_t __builtin_va_alist; ...
/* Define __gnuc_va_list, just as in stdarg.h. */
#ifndef __GNUC_VA_LIST
#define __GNUC_VA_LIST
typedef __builtin_va_list __gnuc_va_list;
#endif
#define va_start(v) __builtin_varargs_start((v))
#define va_end __builtin_va_end
#define va_arg __builtin_va_arg
#define __va_copy(d,s) __builtin_va_copy((d),(s))
/* Define va_list from __gnuc_va_list. */
typedef __gnuc_va_list va_list;
#else
#include <machine/varargs.h>
#endif
#endif /* _VARARGS_H_ */