96 lines
3.2 KiB
C
96 lines
3.2 KiB
C
/* $NetBSD: stdarg.h,v 1.27 2006/08/27 19:02:38 matt Exp $ */
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/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)stdarg.h 8.1 (Berkeley) 6/10/93
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*/
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#ifndef _MIPS_STDARG_H_
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#define _MIPS_STDARG_H_
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#include <machine/ansi.h>
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#include <sys/featuretest.h>
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typedef _BSD_VA_LIST_ va_list;
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#ifdef __lint__
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#define va_start(ap, last) ((ap) = *(va_list *)0)
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#define va_arg(ap, type) (*(type *)(void *)&(ap))
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#define va_end(ap)
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#define __va_copy(dest, src) ((dest) = (src))
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#elif __GNUC_PREREQ__(3, 0)
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#define va_start(ap, last) __builtin_stdarg_start((ap), last)
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#define va_arg(ap, type) __builtin_va_arg((ap), type)
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#define va_end(ap) __builtin_va_end((ap))
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#define __va_copy(dest, src) __builtin_va_copy((dest), (src))
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#else
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#if defined(_MIPS_BSD_API) && \
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!((_MIPS_BSD_API == _MIPS_BSD_API_LP32) || \
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(_MIPS_BSD_API == _MIPS_BSD_API_LP32_64CLEAN))
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#error stdargs.h does not work with 64 bit ABIs
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#endif
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#define va_start(ap, last) \
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((ap) = (va_list)__builtin_next_arg(last))
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#if BYTE_ORDER == LITTLE_ENDIAN
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#define va_arg(ap, T) \
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(((T *)( \
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(ap) += (/*CONSTCOND*/ __alignof__(T) <= sizeof(int) \
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? sizeof(int) : ((long)(ap) & 4) + sizeof(T)), \
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(ap) - (/*CONSTCOND*/ __alignof__(T) <= sizeof(int) \
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? sizeof(int) : sizeof(T)) \
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))[0])
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#else
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#define va_arg(ap, T) \
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(((T *)( \
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(ap) += (/*CONSTCOND*/ __alignof__(T) <= sizeof(int) \
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? sizeof(int) : ((long)(ap) & 4) + sizeof(T)) \
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))[-1])
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#endif
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#define va_end(ap)
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#define __va_copy(dest, src) ((dest) = (src))
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#endif
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#if !defined(_ANSI_SOURCE) && \
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(defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L || \
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defined(_NETBSD_SOURCE))
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#define va_copy(dest, src) __va_copy((dest), (src))
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#endif
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#endif /* !_MIPS_STDARG_H_ */
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