include/raw/stdarg.h

/*
 * stdarg.h
 * Modified for use in 15-410 at CMU
 * Zachary Anderson(zra)
 */

/*
 * Copyright (c) 1994 The University of Utah and the Flux Group.
 * All rights reserved.
 *
 * This file is part of the Flux OSKit.  The OSKit is free software, also known
 * as "open source;" you can redistribute it and/or modify it under the terms
 * of the GNU General Public License (GPL), version 2, as published by the Free
 * Software Foundation (FSF).  To explore alternate licensing terms, contact
 * the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
 *
 * The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GPL for more details.  You should have
 * received a copy of the GPL along with the OSKit; see the file COPYING.  If
 * not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
 */

/*
 * Mach Operating System
 * Copyright (c) 1993 Carnegie Mellon University.
 * All Rights Reserved.
 *
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 */


#ifndef _STDARG_H_
#define _STDARG_H_

#define __va_size(type) ((sizeof(type)+3) & ~0x3)

#ifndef _VA_LIST_
#define _VA_LIST_
typedef	char * va_list;
#endif

#define	va_start(pvar, lastarg)			\
	((pvar) = (char*)(void*)&(lastarg) + __va_size(lastarg))
#define	va_end(pvar)
#define	va_arg(pvar,type)			\
	((pvar) += __va_size(type),		\
	 *((type *)((pvar) - __va_size(type))))

#endif /* _STDARG_H_ */
Commit	Line	Data
	1	/*
	2	* stdarg.h
	3	* Modified for use in 15-410 at CMU
	4	* Zachary Anderson(zra)
	5	*/
	6
	7	/*
	8	* Copyright (c) 1994 The University of Utah and the Flux Group.
	9	* All rights reserved.
	10	*
	11	* This file is part of the Flux OSKit. The OSKit is free software, also known
	12	* as "open source;" you can redistribute it and/or modify it under the terms
	13	* of the GNU General Public License (GPL), version 2, as published by the Free
	14	* Software Foundation (FSF). To explore alternate licensing terms, contact
	15	* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
	16	*
	17	* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
	18	* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
	19	* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
	20	* received a copy of the GPL along with the OSKit; see the file COPYING. If
	21	* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
	22	*/
	23
	24	/*
	25	* Mach Operating System
	26	* Copyright (c) 1993 Carnegie Mellon University.
	27	* All Rights Reserved.
	28	*
	29	* Permission to use, copy, modify and distribute this software and its
	30	* documentation is hereby granted, provided that both the copyright
	31	* notice and this permission notice appear in all copies of the
	32	* software, derivative works or modified versions, and any portions
	33	* thereof, and that both notices appear in supporting documentation.
	34	*
	35	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	36	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
	37	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	38	*
	39	* Carnegie Mellon requests users of this software to return to
	40	*
	41	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	42	* School of Computer Science
	43	* Carnegie Mellon University
	44	* Pittsburgh PA 15213-3890
	45	*
	46	* any improvements or extensions that they make and grant Carnegie Mellon
	47	* the rights to redistribute these changes.
	48	*/
	49
	50
	51	#ifndef _STDARG_H_
	52	#define _STDARG_H_
	53
	54	#define __va_size(type) ((sizeof(type)+3) & ~0x3)
	55
	56	#ifndef _VA_LIST_
	57	#define _VA_LIST_
	58	typedef char * va_list;
	59	#endif
	60
	61	#define va_start(pvar, lastarg) \
	62	((pvar) = (char)(void)&(lastarg) + __va_size(lastarg))
	63	#define va_end(pvar)
	64	#define va_arg(pvar,type) \
	65	((pvar) += __va_size(type), \
	66	((type )((pvar) - __va_size(type))))
	67
	68	#endif /* _STDARG_H_ */