osfmk/libsa/i386/va_list.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  *
  28  */
  29 /*
  30  * HISTORY
  31  *
  32  * Revision 1.2  1998/09/30 21:21:00  wsanchez
  33  * Merged in IntelMerge1 (mburg: Intel support)
  34  *
  35  * Revision 1.1.2.1  1998/09/30 18:19:50  mburg
  36  * Changes for Intel port
  37  *
  38  * Revision 1.1.1.1  1998/03/07 02:25:36  wsanchez
  39  * Import of OSF Mach kernel (~mburg)
  40  *
  41  * Revision 1.1.2.1  1996/09/17  16:56:30  bruel
  42  *      created from standalone mach servers
  43  *      [1996/09/17  16:18:09  bruel]
  44  *
  45  * $EndLog$
  46  */
  47
  48 #ifndef _MACHINE_VALIST_H
  49 #define _MACHINE_VALIST_H
  50
  51 /*
  52  * Four possible situations:
  53  *      - We are being included by {var,std}args.h (or anyone) before stdio.h.
  54  *        define real type.
  55  *
  56  *      - We are being included by stdio.h before {var,std}args.h.
  57  *        define hidden type for prototypes in stdio, don't pollute namespace.
  58  *
  59  *      - We are being included by {var,std}args.h after stdio.h.
  60  *        define real type to match hidden type.  no longer use hidden type.
  61  *
  62  *      - We are being included again after defining the real va_list.
  63  *        do nothing.
  64  *
  65  */
  66
  67 #if     !defined(_HIDDEN_VA_LIST) && !defined(_VA_LIST)
  68 #define _VA_LIST
  69 typedef char *va_list;
  70
  71 #elif   defined(_HIDDEN_VA_LIST) && !defined(_VA_LIST)
  72 #define _VA_LIST
  73 typedef char *__va_list;
  74
  75 #elif   defined(_HIDDEN_VA_LIST) && defined(_VA_LIST)
  76 #undef _HIDDEN_VA_LIST
  77 typedef __va_list va_list;
  78
  79 #endif
  80
  81 #endif /* _MACHINE_VALIST_H */
  82