BSD 4_4 release
[unix-history] / usr / src / sys / pmax / include / varargs.h
CommitLineData
1c648131 1/*-
ad787160
C
2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. All rights reserved.
1c648131 4 *
c0567266
KB
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
ad787160
C
32 *
33 * @(#)varargs.h 8.1 (Berkeley) 6/10/93
1c648131
KB
34 */
35
36#ifndef _VARARGS_H_
37#define _VARARGS_H_
38
39typedef char *va_list;
40
41#define va_dcl int va_alist;
42
43#define va_start(ap) \
44 ap = (char *)&va_alist
45
46#ifdef KERNEL
47#define va_arg(ap, type) \
48 ((type *)(ap += sizeof(type)))[-1]
49#else
50#define va_arg(ap, type) \
51 ((type *)(ap += sizeof(type) == sizeof(int) ? sizeof(type) : \
52 sizeof(type) > sizeof(int) ? \
0090f59b 53 (-(int)(ap) & (sizeof(type) - 1)) + sizeof(type) : \
1c648131
KB
54 (abort(), 0)))[-1]
55#endif
56
57#define va_end(ap)
58
59#endif /* !_VARARGS_H_ */