1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/*
* Mach Operating System
* Copyright (c) 1993 Carnegie Mellon University.
* Copyright (c) 1994 The University of Utah and
* the Center for Software Science (CSS).
* 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, THE UNIVERSITY OF UTAH AND CSS ALLOW FREE USE OF
* THIS SOFTWARE IN ITS "AS IS" CONDITION, AND DISCLAIM 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 _MACH_SA_STDARG_H_
#define _MACH_SA_STDARG_H_
#if __GNUC__ >= 3
typedef __builtin_va_list va_list;
#define va_start(v,l) __builtin_va_start(v,l)
#define va_end(v) __builtin_va_end(v)
#define va_arg(v,l) __builtin_va_arg(v,l)
#else
#define __va_size(type) ((sizeof(type)+sizeof(unsigned long)-1) & ~(sizeof(unsigned long)-1))
#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
#endif /* _MACH_SA_STDARG_H_ */
|