freebsd-nq/sys/i386/include/varargs.h
Warner Losh fbbd9655e5 Renumber copyright clause 4
Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by:	Jan Schaumann <jschauma@stevens.edu>
Pull Request:	https://github.com/freebsd/freebsd/pull/96
2017-02-28 23:42:47 +00:00

90 lines
3.1 KiB
C

/*-
* Copyright (c) 2002 David E. O'Brien. All rights reserved.
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)varargs.h 8.2 (Berkeley) 3/22/94
* $FreeBSD$
*/
#ifndef _MACHINE_VARARGS_H_
#define _MACHINE_VARARGS_H_
#ifndef _SYS_CDEFS_H_
#error this file needs sys/cdefs.h as a prerequisite
#endif
#ifdef __GNUCLIKE_BUILTIN_VARARGS
#include <sys/_types.h>
#ifndef _VA_LIST_DECLARED
#define _VA_LIST_DECLARED
typedef __va_list va_list;
#endif
typedef int __builtin_va_alist_t __attribute__((__mode__(__word__)));
#define va_alist __builtin_va_alist
#define va_dcl __builtin_va_alist_t __builtin_va_alist; ...
#define va_start(ap) __builtin_varargs_start(ap)
#define va_arg(ap, type) __builtin_va_arg((ap), type)
#define va_end(ap) __builtin_va_end(ap)
#else /* !__GNUCLIKE_BUILTIN_VARARGS */
typedef char *va_list;
#define __va_size(type) \
(((sizeof(type) + sizeof(int) - 1) / sizeof(int)) * sizeof(int))
#if defined(__GNUCLIKE_BUILTIN_VAALIST)
#define va_alist __builtin_va_alist
#endif
#ifdef __CC_SUPPORTS_VARADIC_XXX
#define va_dcl int va_alist; ...
#else
#define va_dcl int va_alist;
#endif
#define va_start(ap) \
((ap) = (va_list)&va_alist)
#define va_arg(ap, type) \
(*(type *)((ap) += __va_size(type), (ap) - __va_size(type)))
#define va_end(ap)
#endif /* __GNUCLIKE_BUILTIN_VARARGS */
#endif /* !_MACHINE_VARARGS_H_ */