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
59
60
61
|
/* Copyright (C) 1991, 1997 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.
The GNU C Library 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 GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#ifndef _VARARGS_H
#define _VARARGS_H 1
#include <features.h>
#ifdef __GNUC__
#define va_alist __builtin_va_alist
#define va_dcl int __builtin_va_alist;
#define va_list char *
#ifdef __sparc__
#define va_start(AP) \
(__builtin_saveregs (), \
AP = ((void *) &__builtin_va_alist))
#else
#define va_start(AP) AP=(char *) &__builtin_va_alist
#endif
#define va_end(AP)
#define __va_rounded_size(TYPE) \
(((sizeof (TYPE) + sizeof (int) - 1) / sizeof (int)) * sizeof (int))
#define va_arg(AP, TYPE) \
(*((TYPE *) (AP += __va_rounded_size (TYPE), \
AP - __va_rounded_size (TYPE))))
#else /* Not GCC. */
/* Implement varargs on top of our stdarg implementation. */
#include <stdarg.h>
#define va_alist __va_fakearg
#define va_dcl int __va_fakearg;
#undef va_start
#define va_start(ap) (__va_start((ap), __va_fakearg), \
(ap) -= sizeof(__va_fakearg))
#endif /* GCC. */
#endif /* varargs.h */
|
