xref: /onnv-gate/usr/src/uts/common/sys/varargs.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23*0Sstevel@tonic-gate /*	  All Rights Reserved	*/
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate 
26*0Sstevel@tonic-gate /*
27*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
28*0Sstevel@tonic-gate  * Use is subject to license terms.
29*0Sstevel@tonic-gate  */
30*0Sstevel@tonic-gate 
31*0Sstevel@tonic-gate #ifndef	_SYS_VARARGS_H
32*0Sstevel@tonic-gate #define	_SYS_VARARGS_H
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* UCB 4.1 83/05/03 */
35*0Sstevel@tonic-gate 
36*0Sstevel@tonic-gate /*
37*0Sstevel@tonic-gate  * This header defines the Solaris system definitions for variable
38*0Sstevel@tonic-gate  * argument lists.  For the most part, it follows the definitions of
39*0Sstevel@tonic-gate  * ISO C 1999.  It does not follow the namespace rules for ISO C++
40*0Sstevel@tonic-gate  * 1998.  For legacy support, it also defines the pre-standard variable
41*0Sstevel@tonic-gate  * argument definitions.
42*0Sstevel@tonic-gate  *
43*0Sstevel@tonic-gate  * The varargs definitions within this header are defined in terms of
44*0Sstevel@tonic-gate  * implementation definitions.  These implementation definitions reside
45*0Sstevel@tonic-gate  * in <sys/va_impl.h>.  This organization enables protected use of
46*0Sstevel@tonic-gate  * the implementation by other standard headers without introducing
47*0Sstevel@tonic-gate  * names into the users' namespace.
48*0Sstevel@tonic-gate  */
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate #include <sys/va_impl.h>
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate #ifdef	__cplusplus
53*0Sstevel@tonic-gate extern "C" {
54*0Sstevel@tonic-gate #endif
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate #ifndef	_VA_LIST
57*0Sstevel@tonic-gate #define	_VA_LIST
58*0Sstevel@tonic-gate typedef __va_list va_list;
59*0Sstevel@tonic-gate #endif
60*0Sstevel@tonic-gate 
61*0Sstevel@tonic-gate #if defined(__STDC__)
62*0Sstevel@tonic-gate /*
63*0Sstevel@tonic-gate  * When __STDC__ is defined, this file provides stdarg semantics despite
64*0Sstevel@tonic-gate  * the name of the file.
65*0Sstevel@tonic-gate  */
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate #define	va_start(list, name)	__va_start(list, name)
68*0Sstevel@tonic-gate #define	va_arg(list, type)	__va_arg(list, type)
69*0Sstevel@tonic-gate #define	va_copy(to, from)	__va_copy(to, from)
70*0Sstevel@tonic-gate #define	va_end(list)		__va_end(list)
71*0Sstevel@tonic-gate 
72*0Sstevel@tonic-gate #else	/* ! __STDC__ */
73*0Sstevel@tonic-gate /*
74*0Sstevel@tonic-gate  * In the absence of __STDC__, this file provides traditional varargs
75*0Sstevel@tonic-gate  * semantics.
76*0Sstevel@tonic-gate  */
77*0Sstevel@tonic-gate 
78*0Sstevel@tonic-gate #define	va_alist		__builtin_va_alist
79*0Sstevel@tonic-gate #define	va_dcl			__va_alist_type va_alist;
80*0Sstevel@tonic-gate #define	va_start(list)		__va_start(list, va_alist)
81*0Sstevel@tonic-gate #define	va_arg(list, type)	__va_arg(list, type)
82*0Sstevel@tonic-gate #define	va_copy(to, from)	__va_copy(to, from)
83*0Sstevel@tonic-gate #define	va_end(list)		__va_end(list)
84*0Sstevel@tonic-gate 
85*0Sstevel@tonic-gate #endif	/* __STDC__ */
86*0Sstevel@tonic-gate 
87*0Sstevel@tonic-gate #ifdef	__cplusplus
88*0Sstevel@tonic-gate }
89*0Sstevel@tonic-gate #endif
90*0Sstevel@tonic-gate 
91*0Sstevel@tonic-gate #endif	/* _SYS_VARARGS_H */
92