include/varargs.h

   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 /*
  35  * This header defines the pre-standard variable argument definitions.
  36  * Programs using this header should migrate to using <stdarg.h>.
  37  *
  38  * The varargs definitions within this header are defined in terms of
  39  * implementation definitions. These implementation definitions reside
  40  * in <sys/va_impl.h>.  This organization enables protected use of
  41  * the implementation by other standard headers without introducing
  42  * names into the users' namespace.
  43  */
  44
  45 #include <sys/feature_tests.h>
  46 #include <sys/va_impl.h>
  47
  48 #ifdef  __cplusplus
  49 extern "C" {
  50 #endif
  51
  52 #ifndef _VA_LIST
  53 #define _VA_LIST
  54 typedef __va_list va_list;
  55 #endif
  56
  57 #define va_alist                __builtin_va_alist
  58 #define va_dcl                  __va_alist_type va_alist;
  59 #define va_start(list)          __va_start(list, va_alist)
  60 #define va_arg(list, type)      __va_arg(list, type)
  61 #define va_end(list)            __va_end(list)
  62
  63 /*
  64  * va_copy is a Solaris extension to provide a portable way to perform
  65  * a variable argument list ``bookmarking'' function.
  66  */
  67 #if defined(__EXTENSIONS__) || \
  68         (!defined(_STRICT_STDC) && !defined(__XOPEN_OR_POSIX))
  69
  70 #define va_copy(to, from)       __va_copy(to, from)
  71
  72 #endif  /* defined(__EXTENSIONS__) || (!defined(_STRICT_STDC) && ... ) */
  73
  74 #ifdef  __cplusplus
  75 }
  76 #endif
  77
  78 #endif  /* _VARARGS_H */