xref: /freebsd/sys/x86/include/stdarg.h (revision 1de7b4b805ddbf2429da511c053686ac4591ed89)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 2002 David E. O'Brien.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
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. Neither the name of the University nor the names of its contributors
15  *    may be used to endorse or promote products derived from this software
16  *    without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef _MACHINE_STDARG_H_
34 #define	_MACHINE_STDARG_H_
35 
36 #include <sys/cdefs.h>
37 #include <sys/_types.h>
38 
39 #ifndef _VA_LIST_DECLARED
40 #define	_VA_LIST_DECLARED
41 typedef	__va_list	va_list;
42 #endif
43 
44 #ifdef __GNUCLIKE_BUILTIN_STDARG
45 
46 #define	va_start(ap, last) \
47 	__builtin_va_start((ap), (last))
48 
49 #define	va_arg(ap, type) \
50 	__builtin_va_arg((ap), type)
51 
52 #define	__va_copy(dest, src) \
53 	__builtin_va_copy((dest), (src))
54 
55 #if __ISO_C_VISIBLE >= 1999
56 #define	va_copy(dest, src) \
57 	__va_copy(dest, src)
58 #endif
59 
60 #define	va_end(ap) \
61 	__builtin_va_end(ap)
62 
63 #else
64 #error this file needs to be ported to your compiler
65 #endif
66 
67 #endif /* !_MACHINE_STDARG_H_ */
68