xref: /illumos-gate/usr/src/head/iso/stdarg_c99.h (revision fafb665d337b69015870e0bcdb516fd2f869693f)
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 _ISO_STDARG_C99_H
32  #define	_ISO_STDARG_C99_H
33  
34  /*
35   * An application should not include this header directly.  Instead it
36   * should be included only through the inclusion of other Sun headers.
37   *
38   * This header defines the va_copy variable argument macro, which is
39   * new in ISO C 1999, and thus not present in ISO C 1989 and ISO C++
40   * 1998.  Because this macro is a long-standing Solaris extension, it
41   * is also permitted in other contexts.
42   *
43   * The varargs definitions within this header are defined in terms of
44   * implementation definitions.  These implementation definitions reside
45   * in <sys/va_list.h>.  This organization enables protected use of
46   * the implementation by other standard headers without introducing
47   * names into the users' namespace.
48   */
49  
50  #include <sys/feature_tests.h>
51  
52  #ifdef	__cplusplus
53  extern "C" {
54  #endif
55  
56  /*
57   * va_copy was initially a Solaris extension to provide a portable
58   * way to perform a variable argument list ``bookmarking'' function.
59   * It is now specified in the ISO/IEC 9899:1999 standard.
60   */
61  #if defined(__EXTENSIONS__) || defined(_STDC_C99) || \
62  	(!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX)) || \
63  	defined(_XPG6)
64  
65  #define	va_copy(to, from)	__va_copy(to, from)
66  
67  #endif	/* defined(__EXTENSIONS__) || defined(_STDC_C99)... */
68  
69  #ifdef	__cplusplus
70  }
71  #endif
72  
73  #endif	/* _ISO_STDARG_C99_H */
74