osfmk/libsa/i386/va_list.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * @OSF_COPYRIGHT@
  32  *
  33  */
  34 /*
  35  * HISTORY
  36  *
  37  * Revision 1.2  1998/09/30 21:21:00  wsanchez
  38  * Merged in IntelMerge1 (mburg: Intel support)
  39  *
  40  * Revision 1.1.2.1  1998/09/30 18:19:50  mburg
  41  * Changes for Intel port
  42  *
  43  * Revision 1.1.1.1  1998/03/07 02:25:36  wsanchez
  44  * Import of OSF Mach kernel (~mburg)
  45  *
  46  * Revision 1.1.2.1  1996/09/17  16:56:30  bruel
  47  *      created from standalone mach servers
  48  *      [1996/09/17  16:18:09  bruel]
  49  *
  50  * $EndLog$
  51  */
  52
  53 #ifndef _MACHINE_VALIST_H
  54 #define _MACHINE_VALIST_H
  55
  56 /*
  57  * Four possible situations:
  58  *      - We are being included by {var,std}args.h (or anyone) before stdio.h.
  59  *        define real type.
  60  *
  61  *      - We are being included by stdio.h before {var,std}args.h.
  62  *        define hidden type for prototypes in stdio, don't pollute namespace.
  63  *
  64  *      - We are being included by {var,std}args.h after stdio.h.
  65  *        define real type to match hidden type.  no longer use hidden type.
  66  *
  67  *      - We are being included again after defining the real va_list.
  68  *        do nothing.
  69  *
  70  */
  71
  72 #if     !defined(_HIDDEN_VA_LIST) && !defined(_VA_LIST)
  73 #define _VA_LIST
  74 typedef char *va_list;
  75
  76 #elif   defined(_HIDDEN_VA_LIST) && !defined(_VA_LIST)
  77 #define _VA_LIST
  78 typedef char *__va_list;
  79
  80 #elif   defined(_HIDDEN_VA_LIST) && defined(_VA_LIST)
  81 #undef _HIDDEN_VA_LIST
  82 typedef __va_list va_list;
  83
  84 #endif
  85
  86 #endif /* _MACHINE_VALIST_H */
  87