xref: /illumos-gate/usr/src/boot/sys/x86/include/stdarg.h (revision 199767f8919635c4928607450d9e0abb932109ce)
1*199767f8SToomas Soome /*-
2*199767f8SToomas Soome  * Copyright (c) 2002 David E. O'Brien.  All rights reserved.
3*199767f8SToomas Soome  *
4*199767f8SToomas Soome  * Redistribution and use in source and binary forms, with or without
5*199767f8SToomas Soome  * modification, are permitted provided that the following conditions
6*199767f8SToomas Soome  * are met:
7*199767f8SToomas Soome  * 1. Redistributions of source code must retain the above copyright
8*199767f8SToomas Soome  *    notice, this list of conditions and the following disclaimer.
9*199767f8SToomas Soome  * 2. Redistributions in binary form must reproduce the above copyright
10*199767f8SToomas Soome  *    notice, this list of conditions and the following disclaimer in the
11*199767f8SToomas Soome  *    documentation and/or other materials provided with the distribution.
12*199767f8SToomas Soome  * 3. Neither the name of the University nor the names of its contributors
13*199767f8SToomas Soome  *    may be used to endorse or promote products derived from this software
14*199767f8SToomas Soome  *    without specific prior written permission.
15*199767f8SToomas Soome  *
16*199767f8SToomas Soome  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17*199767f8SToomas Soome  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18*199767f8SToomas Soome  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19*199767f8SToomas Soome  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20*199767f8SToomas Soome  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21*199767f8SToomas Soome  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22*199767f8SToomas Soome  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23*199767f8SToomas Soome  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24*199767f8SToomas Soome  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25*199767f8SToomas Soome  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26*199767f8SToomas Soome  * SUCH DAMAGE.
27*199767f8SToomas Soome  *
28*199767f8SToomas Soome  * $FreeBSD$
29*199767f8SToomas Soome  */
30*199767f8SToomas Soome 
31*199767f8SToomas Soome #ifndef _MACHINE_STDARG_H_
32*199767f8SToomas Soome #define	_MACHINE_STDARG_H_
33*199767f8SToomas Soome 
34*199767f8SToomas Soome #include <sys/cdefs.h>
35*199767f8SToomas Soome #include <sys/_types.h>
36*199767f8SToomas Soome 
37*199767f8SToomas Soome #ifndef _VA_LIST_DECLARED
38*199767f8SToomas Soome #define	_VA_LIST_DECLARED
39*199767f8SToomas Soome typedef	__va_list	va_list;
40*199767f8SToomas Soome #endif
41*199767f8SToomas Soome 
42*199767f8SToomas Soome #ifdef __GNUCLIKE_BUILTIN_STDARG
43*199767f8SToomas Soome 
44*199767f8SToomas Soome #define	va_start(ap, last) \
45*199767f8SToomas Soome 	__builtin_va_start((ap), (last))
46*199767f8SToomas Soome 
47*199767f8SToomas Soome #define	va_arg(ap, type) \
48*199767f8SToomas Soome 	__builtin_va_arg((ap), type)
49*199767f8SToomas Soome 
50*199767f8SToomas Soome #define	__va_copy(dest, src) \
51*199767f8SToomas Soome 	__builtin_va_copy((dest), (src))
52*199767f8SToomas Soome 
53*199767f8SToomas Soome #if __ISO_C_VISIBLE >= 1999
54*199767f8SToomas Soome #define	va_copy(dest, src) \
55*199767f8SToomas Soome 	__va_copy(dest, src)
56*199767f8SToomas Soome #endif
57*199767f8SToomas Soome 
58*199767f8SToomas Soome #define	va_end(ap) \
59*199767f8SToomas Soome 	__builtin_va_end(ap)
60*199767f8SToomas Soome 
61*199767f8SToomas Soome #elif defined(lint)
62*199767f8SToomas Soome /* Provide a fake implementation for lint's benefit */
63*199767f8SToomas Soome #define	__va_size(type) \
64*199767f8SToomas Soome 	(((sizeof(type) + sizeof(long) - 1) / sizeof(long)) * sizeof(long))
65*199767f8SToomas Soome #define	va_start(ap, last) \
66*199767f8SToomas Soome 	((ap) = (va_list)&(last) + __va_size(last))
67*199767f8SToomas Soome #define va_copy(dst, src) \
68*199767f8SToomas Soome 	((dst) = (src))
69*199767f8SToomas Soome #define	va_arg(ap, type) \
70*199767f8SToomas Soome 	(*(type *)((ap) += __va_size(type), (ap) - __va_size(type)))
71*199767f8SToomas Soome #define	va_end(ap)
72*199767f8SToomas Soome 
73*199767f8SToomas Soome #else
74*199767f8SToomas Soome #error this file needs to be ported to your compiler
75*199767f8SToomas Soome #endif
76*199767f8SToomas Soome 
77*199767f8SToomas Soome #endif /* !_MACHINE_STDARG_H_ */
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