xref: /illumos-gate/usr/src/head/varargs.h (revision b4203d757c7c247e39c94c09a94021a3a8121062)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*	Copyright (c) 1988 AT&T	*/
/*	  All Rights Reserved	*/


/*
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _VARARGS_H
#define	_VARARGS_H

/*
 * This header defines the pre-standard variable argument definitions.
 * Programs using this header should migrate to using <stdarg.h>.
 *
 * The varargs definitions within this header are defined in terms of
 * implementation definitions. These implementation definitions reside
 * in <sys/va_impl.h>.  This organization enables protected use of
 * the implementation by other standard headers without introducing
 * names into the users' namespace.
 */

#include <sys/feature_tests.h>
#include <sys/va_impl.h>

#ifdef	__cplusplus
extern "C" {
#endif

#ifndef	_VA_LIST
#define	_VA_LIST
typedef __va_list va_list;
#endif

#define	va_alist		__builtin_va_alist
#define	va_dcl			__va_alist_type va_alist;
#define	va_start(list)		__va_start(list, va_alist)
#define	va_arg(list, type)	__va_arg(list, type)
#define	va_end(list)		__va_end(list)

/*
 * va_copy is a Solaris extension to provide a portable way to perform
 * a variable argument list ``bookmarking'' function.
 */
#if defined(__EXTENSIONS__) || \
	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))

#define	va_copy(to, from)	__va_copy(to, from)

#endif	/* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && ... ) */

#ifdef	__cplusplus
}
#endif

#endif	/* _VARARGS_H */