varargs.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*	Copyright (c) 1988 AT&T	*/
23/*	  All Rights Reserved  	*/
24
25
26/*
27 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
28 * Use is subject to license terms.
29 */
30
31#ifndef _VARARGS_H
32#define	_VARARGS_H
33
34#pragma ident	"%Z%%M%	%I%	%E% SMI"
35
36/*
37 * This header defines the pre-standard variable argument definitions.
38 * Programs using this header should migrate to using <stdarg.h>.
39 *
40 * The varargs definitions within this header are defined in terms of
41 * implementation definitions. These implementation definitions reside
42 * in <sys/va_impl.h>.  This organization enables protected use of
43 * the implementation by other standard headers without introducing
44 * names into the users' namespace.
45 */
46
47#include <sys/feature_tests.h>
48#include <sys/va_impl.h>
49
50#ifdef	__cplusplus
51extern "C" {
52#endif
53
54#ifndef	_VA_LIST
55#define	_VA_LIST
56typedef __va_list va_list;
57#endif
58
59#define	va_alist		__builtin_va_alist
60#define	va_dcl			__va_alist_type va_alist;
61#define	va_start(list)		__va_start(list, va_alist)
62#define	va_arg(list, type)	__va_arg(list, type)
63#define	va_end(list)		__va_end(list)
64
65/*
66 * va_copy is a Solaris extension to provide a portable way to perform
67 * a variable argument list ``bookmarking'' function.
68 */
69#if defined(__EXTENSIONS__) || \
70	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
71
72#define	va_copy(to, from)	__va_copy(to, from)
73
74#endif	/* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && ... ) */
75
76#ifdef	__cplusplus
77}
78#endif
79
80#endif	/* _VARARGS_H */
81