Source to osfmk/libsa/i386/stdarg.h

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/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 * 
 */
/*
 * HISTORY
 * 
 * Revision 1.2  1998/09/30 21:21:00  wsanchez
 * Merged in IntelMerge1 (mburg: Intel support)
 *
 * Revision 1.1.2.1  1998/09/30 18:19:49  mburg
 * Changes for Intel port
 *
 * Revision 1.1.1.1  1998/03/07 02:25:36  wsanchez
 * Import of OSF Mach kernel (~mburg)
 *
 * Revision 1.1.2.1  1996/09/17  16:56:26  bruel
 * 	created from standalone mach servers
 * 	[1996/09/17  16:18:07  bruel]
 *
 * $EndLog$
 */

#ifndef _MACHINE_STDARG_H
#define _MACHINE_STDARG_H

#include <machine/va_list.h>

/* Amount of space required in an argument list for an arg of type TYPE.
   TYPE may alternatively be an expression whose type is used.  */

#define __va_rounded_size(TYPE)  \
  (((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))

#define va_start(AP, LASTARG) 						\
 (AP = ((char *) &(LASTARG) + __va_rounded_size (LASTARG)))

void va_end (va_list);		/* Defined in gnulib */
#define va_end(AP)

#define va_arg(AP, mode)					\
		  (AP += __va_rounded_size (mode),		\
		   *((mode *) (AP - __va_rounded_size (mode))))

#endif /* _MACHINE_STDARG_H */