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Annotation of XNU/osfmk/libsa/i386/va_list.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * The contents of this file constitute Original Code as defined in and
                      7:  * are subject to the Apple Public Source License Version 1.1 (the
                      8:  * "License").  You may not use this file except in compliance with the
                      9:  * License.  Please obtain a copy of the License at
                     10:  * http://www.apple.com/publicsource and read it before using this file.
                     11:  * 
                     12:  * This Original Code and all software distributed under the License are
                     13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     17:  * License for the specific language governing rights and limitations
                     18:  * under the License.
                     19:  * 
                     20:  * @APPLE_LICENSE_HEADER_END@
                     21:  */
                     22: /*
                     23:  * @OSF_COPYRIGHT@
                     24:  * 
                     25:  */
                     26: /*
                     27:  * HISTORY
                     28:  * 
                     29:  * Revision 1.2  1998/09/30 21:21:00  wsanchez
                     30:  * Merged in IntelMerge1 (mburg: Intel support)
                     31:  *
                     32:  * Revision 1.1.2.1  1998/09/30 18:19:50  mburg
                     33:  * Changes for Intel port
                     34:  *
                     35:  * Revision 1.1.1.1  1998/03/07 02:25:36  wsanchez
                     36:  * Import of OSF Mach kernel (~mburg)
                     37:  *
                     38:  * Revision 1.1.2.1  1996/09/17  16:56:30  bruel
                     39:  *     created from standalone mach servers
                     40:  *     [1996/09/17  16:18:09  bruel]
                     41:  *
                     42:  * $EndLog$
                     43:  */
                     44: 
                     45: #ifndef _MACHINE_VALIST_H
                     46: #define _MACHINE_VALIST_H
                     47: 
                     48: /*
                     49:  * Four possible situations:
                     50:  *     - We are being included by {var,std}args.h (or anyone) before stdio.h.
                     51:  *       define real type.
                     52:  *
                     53:  *     - We are being included by stdio.h before {var,std}args.h.
                     54:  *       define hidden type for prototypes in stdio, don't pollute namespace.
                     55:  * 
                     56:  *     - We are being included by {var,std}args.h after stdio.h.
                     57:  *       define real type to match hidden type.  no longer use hidden type.
                     58:  * 
                     59:  *     - We are being included again after defining the real va_list.
                     60:  *       do nothing.
                     61:  * 
                     62:  */
                     63: 
                     64: #if    !defined(_HIDDEN_VA_LIST) && !defined(_VA_LIST)
                     65: #define _VA_LIST
                     66: typedef        char *va_list;
                     67: 
                     68: #elif  defined(_HIDDEN_VA_LIST) && !defined(_VA_LIST)
                     69: #define _VA_LIST
                     70: typedef char *__va_list;
                     71: 
                     72: #elif  defined(_HIDDEN_VA_LIST) && defined(_VA_LIST)
                     73: #undef _HIDDEN_VA_LIST
                     74: typedef __va_list va_list;
                     75: 
                     76: #endif
                     77: 
                     78: #endif /* _MACHINE_VALIST_H */
                     79: 

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