55 lines
2.3 KiB
C
55 lines
2.3 KiB
C
/*
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* Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
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* The President and Fellows of Harvard College.
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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 UNIVERSITY 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 UNIVERSITY 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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#ifndef _STDARG_H_
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#define _STDARG_H_
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#include <kern/types.h>
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/*
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* As of gcc 3.0, the stdarg declarations can be made machine-
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* independent because gcc abstracts the implementations away for
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* us. However, they went and changed __builtin_stdarg_start to
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* __builtin_va_start sometime between gcc 4.1 and 4.8 (not sure
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* when) so we need to check that.
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*/
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typedef __va_list va_list;
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#if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 8)
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#define va_start(ap, fmt) __builtin_stdarg_start(ap, fmt)
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#else
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#define va_start(ap, fmt) __builtin_va_start(ap, fmt)
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#endif
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#define va_arg(ap,t) __builtin_va_arg(ap,t)
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#define va_copy(ap1,ap2) __builtin_va_copy(ap1,ap2)
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#define va_end(ap) __builtin_va_end(ap)
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#endif /* _STDARG_H_ */
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