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15637ed4 RG |
1 | /*- |
2 | * Copyright (c) 1991 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
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. | |
32 | * | |
db11a0e0 | 33 | * from: @(#)stdarg.h 7.2 (Berkeley) 5/4/91 |
126bd309 | 34 | * $Id: stdarg.h,v 1.2 1993/10/16 14:39:34 rgrimes Exp $ |
15637ed4 RG |
35 | */ |
36 | ||
126bd309 GW |
37 | #ifndef _MACHINE_STDARG_H_ |
38 | #define _MACHINE_STDARG_H_ 1 | |
39 | ||
15637ed4 RG |
40 | typedef char *va_list; |
41 | ||
42 | #ifdef KERNEL | |
43 | #define va_arg(ap, type) \ | |
44 | ((type *)(ap += sizeof(type)))[-1] | |
45 | #else | |
46 | #define va_arg(ap, type) \ | |
47 | ((type *)(ap += sizeof(type) < sizeof(int) ? \ | |
48 | (abort(), 0) : sizeof(type)))[-1] | |
49 | #endif | |
50 | ||
51 | #define va_end(ap) | |
52 | ||
53 | #define __va_promote(type) \ | |
54 | (((sizeof(type) + sizeof(int) - 1) / sizeof(int)) * sizeof(int)) | |
55 | ||
56 | #define va_start(ap, last) \ | |
57 | (ap = ((char *)&(last) + __va_promote(last))) | |
126bd309 | 58 | #endif /* _MACHINE_STDARG_H_ */ |