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Annotation of XNU/osfmk/libsa/i386/stdarg.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 18:19:49  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  16:56:26  bruel
                     39:  *     created from standalone mach servers
                     40:  *     [1996/09/17  16:18:07  bruel]
                     41:  *
                     42:  * $EndLog$
                     43:  */
                     44: 
                     45: #ifndef _MACHINE_STDARG_H
                     46: #define _MACHINE_STDARG_H
                     47: 
                     48: #include <machine/va_list.h>
                     49: 
                     50: /* Amount of space required in an argument list for an arg of type TYPE.
                     51:    TYPE may alternatively be an expression whose type is used.  */
                     52: 
                     53: #define __va_rounded_size(TYPE)  \
                     54:   (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
                     55: 
                     56: #define va_start(AP, LASTARG)                                          \
                     57:  (AP = ((char *) &(LASTARG) + __va_rounded_size (LASTARG)))
                     58: 
                     59: void va_end (va_list);         /* Defined in gnulib */
                     60: #define va_end(AP)
                     61: 
                     62: #define va_arg(AP, mode)                                       \
                     63:                  (AP += __va_rounded_size (mode),              \
                     64:                   *((mode *) (AP - __va_rounded_size (mode))))
                     65: 
                     66: #endif /* _MACHINE_STDARG_H */

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