2 * Copyright (c) 2002 David E. O'Brien. All rights reserved.
3 * Copyright (c) 1991, 1993
4 * The Regents of the University of California. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * @(#)stdarg.h 8.1 (Berkeley) 6/10/93
38 #ifndef _MACHINE_STDARG_H_
39 #define _MACHINE_STDARG_H_
41 #include <sys/cdefs.h>
42 #include <sys/_types.h>
44 #ifndef _VA_LIST_DECLARED
45 #define _VA_LIST_DECLARED
46 typedef __va_list va_list;
49 #ifdef __GNUCLIKE_BUILTIN_STDARG
51 #define va_start(ap, last) \
52 __builtin_stdarg_start((ap), (last))
54 #define va_arg(ap, type) \
55 __builtin_va_arg((ap), type)
57 #if __ISO_C_VISIBLE >= 1999
58 #define va_copy(dest, src) \
59 __builtin_va_copy((dest), (src))
65 #else /* !__GNUCLIKE_BUILTIN_STDARG */
67 #define __va_size(type) \
68 (((sizeof(type) + sizeof(int) - 1) / sizeof(int)) * sizeof(int))
70 #ifdef __GNUCLIKE_BUILTIN_NEXT_ARG
71 #define va_start(ap, last) \
72 ((ap) = (va_list)__builtin_next_arg(last))
73 #else /* !__GNUCLIKE_BUILTIN_NEXT_ARG */
74 #define va_start(ap, last) \
75 ((ap) = (va_list)&(last) + __va_size(last))
76 #endif /* __GNUCLIKE_BUILTIN_NEXT_ARG */
78 #define va_arg(ap, type) \
79 (*(type *)((ap) += __va_size(type), (ap) - __va_size(type)))
81 #if __ISO_C_VISIBLE >= 1999
82 #define va_copy(dest, src) \
88 #endif /* __GNUCLIKE_BUILTIN_STDARG */
90 #endif /* !_MACHINE_STDARG_H_ */