epoc32/include/stdapis/sys/cdefs.h
author William Roberts <williamr@symbian.org>
Wed, 31 Mar 2010 12:27:01 +0100
branchSymbian2
changeset 3 e1b950c65cb4
parent 0 061f57f2323e
child 4 837f303aceeb
permissions -rw-r--r--
Attempt to represent the S^2->S^3 header reorganisation as a series of "hg rename" operations
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/*-
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 * © Portions copyright (c) 2005 Nokia Corporation.  All rights reserved. 
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 * Copyright (c) 1991, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * This code is derived from software contributed to Berkeley by
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 * Berkeley Software Design, Inc.
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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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 * 4. 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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* © Portions copyright (c) 2007-2008 Symbian Software Ltd. All rights reserved.
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 *	@(#)cdefs.h	8.8 (Berkeley) 1/9/95
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 * $FreeBSD: src/sys/sys/cdefs.h,v 1.88.2.1 2005/10/09 07:48:48 netchild Exp $
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 */
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#ifndef	_SYS_CDEFS_H_
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#define	_SYS_CDEFS_H_
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#ifdef __SYMBIAN32__
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#include <_ansi.h>
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#endif
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#if defined(__cplusplus)
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#define	__BEGIN_DECLS	extern "C" {
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#define	__END_DECLS	}
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#else
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#define	__BEGIN_DECLS
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#define	__END_DECLS
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#endif
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/*
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 * This code has been put in place to help reduce the addition of
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 * compiler specific defines in FreeBSD code.  It helps to aid in
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 * having a compiler-agnostic source tree.
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 */
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#if defined(__GNUC__) || defined(__INTEL_COMPILER)
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#if __GNUC__ >= 3 || defined(__INTEL_COMPILER)
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#define __GNUCLIKE_ASM 3
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#define __GNUCLIKE_MATH_BUILTIN_CONSTANTS
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#else
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#define __GNUCLIKE_ASM 2
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#endif
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#define __GNUCLIKE___TYPEOF 1
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#define __GNUCLIKE___OFFSETOF 1
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#define __GNUCLIKE___SECTION 1
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#define __GNUCLIKE_ATTRIBUTE_MODE_DI 1
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#ifndef __INTEL_COMPILER
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# define __GNUCLIKE_CTOR_SECTION_HANDLING 1
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#endif
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#define __GNUCLIKE_BUILTIN_CONSTANT_P 1
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# if defined(__INTEL_COMPILER) && defined(__cplusplus) \
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    && __INTEL_COMPILER < 800
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#  undef __GNUCLIKE_BUILTIN_CONSTANT_P
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# endif
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#if (__GNUC_MINOR__ > 95 || __GNUC__ >= 3) && !defined(__INTEL_COMPILER)
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# define __GNUCLIKE_BUILTIN_VARARGS 1
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# define __GNUCLIKE_BUILTIN_STDARG 1
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# define __GNUCLIKE_BUILTIN_VAALIST 1
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#endif
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#if defined(__GNUC__)
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# define __GNUC_VA_LIST_COMPATIBILITY 1
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#endif
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#ifndef __INTEL_COMPILER
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# define __GNUCLIKE_BUILTIN_NEXT_ARG 1
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# define __GNUCLIKE_MATH_BUILTIN_RELOPS
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#endif
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#define __GNUCLIKE_BUILTIN_MEMCPY 1
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/* XXX: if __GNUC__ >= 2: not tested everywhere originally, where replaced */
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#define __CC_SUPPORTS_INLINE 1
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#define __CC_SUPPORTS___INLINE 1
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#define __CC_SUPPORTS___INLINE__ 1
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#define __CC_SUPPORTS___FUNC__ 1
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#define __CC_SUPPORTS_WARNING 1
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#define __CC_SUPPORTS_VARADIC_XXX 1 /* see varargs.h */
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#define __CC_SUPPORTS_DYNAMIC_ARRAY_INIT 1
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/* XXX: sys/dev/mpt/mpilib/mpi_type.h uses it, someone should review it */
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#define __CC_INT_IS_32BIT 1
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#endif /* __GNUC__ || __INTEL_COMPILER */
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/*
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 * Macro to test if we're using a specific version of gcc or later.
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 */
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#if defined(__GNUC__) && !defined(__INTEL_COMPILER)
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#define	__GNUC_PREREQ__(ma, mi)	\
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	(__GNUC__ > (ma) || __GNUC__ == (ma) && __GNUC_MINOR__ >= (mi))
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#else
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#define	__GNUC_PREREQ__(ma, mi)	0
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#endif
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/*
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 * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
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 * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
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 * The __CONCAT macro is a bit tricky to use if it must work in non-ANSI
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 * mode -- there must be no spaces between its arguments, and for nested
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 * __CONCAT's, all the __CONCAT's must be at the left.  __CONCAT can also
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 * concatenate double-quoted strings produced by the __STRING macro, but
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 * this only works with ANSI C.
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 *
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 * __XSTRING is like __STRING, but it expands any macros in its argument
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 * first.  It is only available with ANSI C.
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 */
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#if defined(__STDC__) || defined(__cplusplus)
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#define	__P(protos)	protos		/* full-blown ANSI C */
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#define	__CONCAT1(x,y)	x ## y
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#define	__CONCAT(x,y)	__CONCAT1(x,y)
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#define	__STRING(x)	#x		/* stringify without expanding x */
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#define	__XSTRING(x)	__STRING(x)	/* expand x, then stringify */
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#define	__const		const		/* define reserved names to standard */
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#define	__signed	signed
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#define	__volatile	volatile
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#if defined(__cplusplus)
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#define	__inline	inline		/* convert to C++ keyword */
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#else
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#if !(defined(__CC_SUPPORTS___INLINE))
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#define	__inline			/* delete GCC keyword */
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#endif /* ! __CC_SUPPORTS___INLINE */
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#endif /* !__cplusplus */
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#else	/* !(__STDC__ || __cplusplus) */
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#define	__P(protos)	()		/* traditional C preprocessor */
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#define	__CONCAT(x,y)	x/**/y
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#define	__STRING(x)	"x"
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#if !defined(__CC_SUPPORTS___INLINE)
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#define	__const				/* delete pseudo-ANSI C keywords */
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#define	__inline
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#define	__signed
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#define	__volatile
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/*
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 * In non-ANSI C environments, new programs will want ANSI-only C keywords
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 * deleted from the program and old programs will want them left alone.
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 * When using a compiler other than gcc, programs using the ANSI C keywords
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 * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
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 * When using "gcc -traditional", we assume that this is the intent; if
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 * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
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 */
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#ifndef	NO_ANSI_KEYWORDS
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#define	const				/* delete ANSI C keywords */
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#define	inline
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#define	signed
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#define	volatile
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#endif	/* !NO_ANSI_KEYWORDS */
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#endif	/* !__CC_SUPPORTS___INLINE */
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#endif	/* !(__STDC__ || __cplusplus) */
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/*
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 * Compiler-dependent macros to help declare dead (non-returning) and
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 * pure (no side effects) functions, and unused variables.  They are
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 * null except for versions of gcc that are known to support the features
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 * properly (old versions of gcc-2 supported the dead and pure features
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 * in a different (wrong) way).  If we do not provide an implementation
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 * for a given compiler, let the compile fail if it is told to use
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 * a feature that we cannot live without.
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 */
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#ifdef lint
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#define	__dead2
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#define	__pure2
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#define	__unused
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#define	__packed
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#define	__aligned(x)
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#define	__section(x)
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#else
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#if !__GNUC_PREREQ__(2, 5) && !defined(__INTEL_COMPILER)
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#define	__dead2
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#define	__pure2
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#define	__unused
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#endif
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#if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 && __GNUC_MINOR__ < 7 && !defined(__INTEL_COMPILER)
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#define	__dead2		__attribute__((__noreturn__))
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#define	__pure2		__attribute__((__const__))
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#define	__unused
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/* XXX Find out what to do for __packed, __aligned and __section */
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#endif
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#if __GNUC_PREREQ__(2, 7)
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#define	__dead2		__attribute__((__noreturn__))
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#define	__pure2		__attribute__((__const__))
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#define	__unused	__attribute__((__unused__))
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#define	__used		__attribute__((__used__))
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#define	__packed	__attribute__((__packed__))
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#define	__aligned(x)	__attribute__((__aligned__(x)))
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#define	__section(x)	__attribute__((__section__(x)))
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#endif
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#if defined(__INTEL_COMPILER)
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#define __dead2		__attribute__((__noreturn__))
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#define __pure2		__attribute__((__const__))
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#define __unused	__attribute__((__unused__))
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#define __used		__attribute__((__used__))
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#define __packed	__attribute__((__packed__))
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#define __aligned(x)	__attribute__((__aligned__(x)))
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#define __section(x)	__attribute__((__section__(x)))
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#endif
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#endif
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#if __GNUC_PREREQ__(2, 96)
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#define	__pure		__attribute__((__pure__))
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#else
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#define	__pure
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#endif
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#if __GNUC_PREREQ__(3, 1) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 800)
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#define	__always_inline	__attribute__((__always_inline__))
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#else
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#define	__always_inline
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#endif
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#if __GNUC_PREREQ__(3, 3)
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#define __nonnull(x)	__attribute__((__nonnull__(x)))
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#else
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#define __nonnull(x)
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#endif
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/* XXX: should use `#if __STDC_VERSION__ < 199901'. */
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#if !__GNUC_PREREQ__(2, 7) && !defined(__INTEL_COMPILER)
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#define	__func__	NULL
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#endif
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#if (defined(__INTEL_COMPILER) || (defined(__GNUC__) && __GNUC__ >= 2)) && !defined(__STRICT_ANSI__) || __STDC_VERSION__ >= 199901
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#ifdef __SYMBIAN32__
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#ifndef __LONG_LONG_SUPPORTED
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#define	__LONG_LONG_SUPPORTED
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#endif /* __LONG_LONG_SUPPORTED */
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#else
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#define	__LONG_LONG_SUPPORTED
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#endif /* __SYMBIAN32__ */
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#endif
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#ifdef __SYMBIAN32__
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#if ((defined(__ARMCC__) && (__ARMCC_VERSION > 220000) ) || (defined(__WINSCW__)))
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#ifndef __LONG_LONG_SUPPORTED
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#define __LONG_LONG_SUPPORTED
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#endif /* __LONG_LONG_SUPPORTED */
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#endif
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#endif /*__SYMBIAN32__*/
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/*
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 * GCC 2.95 provides `__restrict' as an extension to C90 to support the
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 * C99-specific `restrict' type qualifier.  We happen to use `__restrict' as
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 * a way to define the `restrict' type qualifier without disturbing older
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 * software that is unaware of C99 keywords.
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 */
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#if !(__GNUC__ == 2 && __GNUC_MINOR__ == 95)
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#if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901
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#define	__restrict
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#else
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#define	__restrict	restrict
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#endif
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#endif
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/*
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 * GNU C version 2.96 adds explicit branch prediction so that
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 * the CPU back-end can hint the processor and also so that
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 * code blocks can be reordered such that the predicted path
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 * sees a more linear flow, thus improving cache behavior, etc.
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 *
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 * The following two macros provide us with a way to utilize this
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 * compiler feature.  Use __predict_true() if you expect the expression
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 * to evaluate to true, and __predict_false() if you expect the
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 * expression to evaluate to false.
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 *
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 * A few notes about usage:
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 *
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 *	* Generally, __predict_false() error condition checks (unless
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 *	  you have some _strong_ reason to do otherwise, in which case
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 *	  document it), and/or __predict_true() `no-error' condition
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 *	  checks, assuming you want to optimize for the no-error case.
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 *
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 *	* Other than that, if you don't know the likelihood of a test
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 *	  succeeding from empirical or other `hard' evidence, don't
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 *	  make predictions.
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 *
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 *	* These are meant to be used in places that are run `a lot'.
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 *	  It is wasteful to make predictions in code that is run
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 *	  seldomly (e.g. at subsystem initialization time) as the
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 *	  basic block reordering that this affects can often generate
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 *	  larger code.
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 */
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#if __GNUC_PREREQ__(2, 96)
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#define __predict_true(exp)     __builtin_expect((exp), 1)
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#define __predict_false(exp)    __builtin_expect((exp), 0)
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#else
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#define __predict_true(exp)     (exp)
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#define __predict_false(exp)    (exp)
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#endif
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/*
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 * We define this here since <stddef.h>, <sys/queue.h>, and <sys/types.h>
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 * require it.
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 */
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#if !defined(__cplusplus) || defined(__SYMBIAN32__)
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#define	__offsetof(type, field)	((size_t)(&((type *)0)->field))
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#else
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#define __offsetof(type, field)					\
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  (__offsetof__ (reinterpret_cast <size_t>			\
williamr@2
   333
                 (&reinterpret_cast <const volatile char &>	\
williamr@2
   334
                  (static_cast<type *> (0)->field))))
williamr@2
   335
#endif
williamr@2
   336
#define	__rangeof(type, start, end) \
williamr@2
   337
	(__offsetof(type, end) - __offsetof(type, start))
williamr@2
   338
williamr@2
   339
/*
williamr@2
   340
 * Compiler-dependent macros to declare that functions take printf-like
williamr@2
   341
 * or scanf-like arguments.  They are null except for versions of gcc
williamr@2
   342
 * that are known to support the features properly (old versions of gcc-2
williamr@2
   343
 * didn't permit keeping the keywords out of the application namespace).
williamr@2
   344
 */
williamr@2
   345
#if !__GNUC_PREREQ__(2, 7) && !defined(__INTEL_COMPILER)
williamr@2
   346
#define	__printflike(fmtarg, firstvararg)
williamr@2
   347
#define	__scanflike(fmtarg, firstvararg)
williamr@2
   348
#else
williamr@2
   349
#define	__printflike(fmtarg, firstvararg) \
williamr@2
   350
	    __attribute__((__format__ (__printf__, fmtarg, firstvararg)))
williamr@2
   351
#define	__scanflike(fmtarg, firstvararg) \
williamr@2
   352
	    __attribute__((__format__ (__scanf__, fmtarg, firstvararg)))
williamr@2
   353
#endif
williamr@2
   354
williamr@2
   355
/* Compiler-dependent macros that rely on FreeBSD-specific extensions. */
williamr@2
   356
#if __FreeBSD_cc_version >= 300001 && defined(__GNUC__) && !defined(__INTEL_COMPILER)
williamr@2
   357
#define	__printf0like(fmtarg, firstvararg) \
williamr@2
   358
	    __attribute__((__format__ (__printf0__, fmtarg, firstvararg)))
williamr@2
   359
#else
williamr@2
   360
#define	__printf0like(fmtarg, firstvararg)
williamr@2
   361
#endif
williamr@2
   362
williamr@2
   363
#if defined(__GNUC__) || defined(__INTEL_COMPILER)
williamr@2
   364
#ifndef __INTEL_COMPILER
williamr@2
   365
#define	__strong_reference(sym,aliassym)	\
williamr@2
   366
	extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)));
williamr@2
   367
#endif
williamr@2
   368
#ifdef __STDC__
williamr@2
   369
#define	__weak_reference(sym,alias)	\
williamr@2
   370
	__asm__(".weak " #alias);	\
williamr@2
   371
	__asm__(".equ "  #alias ", " #sym)
williamr@2
   372
#define	__warn_references(sym,msg)	\
williamr@2
   373
	__asm__(".section .gnu.warning." #sym);	\
williamr@2
   374
	__asm__(".asciz \"" msg "\"");	\
williamr@2
   375
	__asm__(".previous")
williamr@2
   376
#else
williamr@2
   377
#define	__weak_reference(sym,alias)	\
williamr@2
   378
	__asm__(".weak alias");		\
williamr@2
   379
	__asm__(".equ alias, sym")
williamr@2
   380
#define	__warn_references(sym,msg)	\
williamr@2
   381
	__asm__(".section .gnu.warning.sym"); \
williamr@2
   382
	__asm__(".asciz \"msg\"");	\
williamr@2
   383
	__asm__(".previous")
williamr@2
   384
#endif	/* __STDC__ */
williamr@2
   385
#endif	/* __GNUC__ || __INTEL_COMPILER */
williamr@2
   386
williamr@2
   387
#if defined(__GNUC__) || defined(__INTEL_COMPILER)
williamr@2
   388
#define	__IDSTRING(name,string)	__asm__(".ident\t\"" string "\"")
williamr@2
   389
#else
williamr@2
   390
/*
williamr@2
   391
 * The following definition might not work well if used in header files,
williamr@2
   392
 * but it should be better than nothing.  If you want a "do nothing"
williamr@2
   393
 * version, then it should generate some harmless declaration, such as:
williamr@2
   394
 *    #define __IDSTRING(name,string)	struct __hack
williamr@2
   395
 */
williamr@2
   396
#define	__IDSTRING(name,string)	static const char name[] __unused = string
williamr@2
   397
#endif
williamr@2
   398
williamr@2
   399
/*
williamr@2
   400
 * Embed the rcs id of a source file in the resulting library.  Note that in
williamr@2
   401
 * more recent ELF binutils, we use .ident allowing the ID to be stripped.
williamr@2
   402
 * Usage:
williamr@2
   403
 *	__FBSDID("$FreeBSD: src/sys/sys/cdefs.h,v 1.88.2.1 2005/10/09 07:48:48 netchild Exp $");
williamr@2
   404
 */
williamr@2
   405
#ifndef	__FBSDID
williamr@2
   406
#if !defined(lint) && !defined(STRIP_FBSDID)
williamr@2
   407
#define	__FBSDID(s)	__IDSTRING(__CONCAT(__rcsid_,__LINE__),s)
williamr@2
   408
#else
williamr@2
   409
#define	__FBSDID(s)	struct __hack
williamr@2
   410
#endif
williamr@2
   411
#endif
williamr@2
   412
williamr@2
   413
#ifndef	__RCSID
williamr@2
   414
#ifndef	NO__RCSID
williamr@2
   415
#define	__RCSID(s)	__IDSTRING(__CONCAT(__rcsid_,__LINE__),s)
williamr@2
   416
#else
williamr@2
   417
#define	__RCSID(s)	struct __hack
williamr@2
   418
#endif
williamr@2
   419
#endif
williamr@2
   420
williamr@2
   421
#ifndef	__RCSID_SOURCE
williamr@2
   422
#ifndef	NO__RCSID_SOURCE
williamr@2
   423
#define	__RCSID_SOURCE(s)	__IDSTRING(__CONCAT(__rcsid_source_,__LINE__),s)
williamr@2
   424
#else
williamr@2
   425
#define	__RCSID_SOURCE(s)	struct __hack
williamr@2
   426
#endif
williamr@2
   427
#endif
williamr@2
   428
williamr@2
   429
#ifndef	__SCCSID
williamr@2
   430
#ifndef	NO__SCCSID
williamr@2
   431
#define	__SCCSID(s)	__IDSTRING(__CONCAT(__sccsid_,__LINE__),s)
williamr@2
   432
#else
williamr@2
   433
#define	__SCCSID(s)	struct __hack
williamr@2
   434
#endif
williamr@2
   435
#endif
williamr@2
   436
williamr@2
   437
#ifndef	__COPYRIGHT
williamr@2
   438
#ifndef	NO__COPYRIGHT
williamr@2
   439
#define	__COPYRIGHT(s)	__IDSTRING(__CONCAT(__copyright_,__LINE__),s)
williamr@2
   440
#else
williamr@2
   441
#define	__COPYRIGHT(s)	struct __hack
williamr@2
   442
#endif
williamr@2
   443
#endif
williamr@2
   444
williamr@2
   445
#ifndef	__DECONST
williamr@2
   446
#define	__DECONST(type, var)	((type)(uintptr_t)(const void *)(var))
williamr@2
   447
#endif
williamr@2
   448
williamr@2
   449
#ifndef	__DEVOLATILE
williamr@2
   450
#define	__DEVOLATILE(type, var)	((type)(uintptr_t)(volatile void *)(var))
williamr@2
   451
#endif
williamr@2
   452
williamr@2
   453
#ifndef	__DEQUALIFY
williamr@2
   454
#define	__DEQUALIFY(type, var)	((type)(uintptr_t)(const volatile void *)(var))
williamr@2
   455
#endif
williamr@2
   456
williamr@2
   457
/*-
williamr@2
   458
 * The following definitions are an extension of the behavior originally
williamr@2
   459
 * implemented in <sys/_posix.h>, but with a different level of granularity.
williamr@2
   460
 * POSIX.1 requires that the macros we test be defined before any standard
williamr@2
   461
 * header file is included.
williamr@2
   462
 *
williamr@2
   463
 * Here's a quick run-down of the versions:
williamr@2
   464
 *  defined(_POSIX_SOURCE)		1003.1-1988
williamr@2
   465
 *  _POSIX_C_SOURCE == 1		1003.1-1990
williamr@2
   466
 *  _POSIX_C_SOURCE == 2		1003.2-1992 C Language Binding Option
williamr@2
   467
 *  _POSIX_C_SOURCE == 199309		1003.1b-1993
williamr@2
   468
 *  _POSIX_C_SOURCE == 199506		1003.1c-1995, 1003.1i-1995,
williamr@2
   469
 *					and the omnibus ISO/IEC 9945-1: 1996
williamr@2
   470
 *  _POSIX_C_SOURCE == 200112		1003.1-2001
williamr@2
   471
 *
williamr@2
   472
 * In addition, the X/Open Portability Guide, which is now the Single UNIX
williamr@2
   473
 * Specification, defines a feature-test macro which indicates the version of
williamr@2
   474
 * that specification, and which subsumes _POSIX_C_SOURCE.
williamr@2
   475
 *
williamr@2
   476
 * Our macros begin with two underscores to avoid namespace screwage.
williamr@2
   477
 */
williamr@2
   478
williamr@2
   479
/* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1. */
williamr@2
   480
#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1
williamr@2
   481
#undef _POSIX_C_SOURCE		/* Probably illegal, but beyond caring now. */
williamr@2
   482
#define	_POSIX_C_SOURCE		199009
williamr@2
   483
#endif
williamr@2
   484
williamr@2
   485
/* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2. */
williamr@2
   486
#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2
williamr@2
   487
#undef _POSIX_C_SOURCE
williamr@2
   488
#define	_POSIX_C_SOURCE		199209
williamr@2
   489
#endif
williamr@2
   490
williamr@2
   491
/* Deal with various X/Open Portability Guides and Single UNIX Spec. */
williamr@2
   492
#ifdef _XOPEN_SOURCE
williamr@2
   493
#if _XOPEN_SOURCE - 0 >= 600
williamr@2
   494
#define	__XSI_VISIBLE		600
williamr@2
   495
#undef _POSIX_C_SOURCE
williamr@2
   496
#define	_POSIX_C_SOURCE		200112
williamr@2
   497
#elif _XOPEN_SOURCE - 0 >= 500
williamr@2
   498
#define	__XSI_VISIBLE		500
williamr@2
   499
#undef _POSIX_C_SOURCE
williamr@2
   500
#define	_POSIX_C_SOURCE		199506
williamr@2
   501
#endif
williamr@2
   502
#endif
williamr@2
   503
williamr@2
   504
/*
williamr@2
   505
 * Deal with all versions of POSIX.  The ordering relative to the tests above is
williamr@2
   506
 * important.
williamr@2
   507
 */
williamr@2
   508
#if defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE)
williamr@2
   509
#define	_POSIX_C_SOURCE		198808
williamr@2
   510
#endif
williamr@2
   511
#ifdef _POSIX_C_SOURCE
williamr@2
   512
#if _POSIX_C_SOURCE >= 200112
williamr@2
   513
#ifdef __SYMBIAN32__
williamr@2
   514
#define	__XSI_VISIBLE		600
williamr@2
   515
#define	__BSD_VISIBLE		1
williamr@2
   516
#endif //__SYMBIAN32__
williamr@2
   517
#define	__POSIX_VISIBLE		200112
williamr@2
   518
#define	__ISO_C_VISIBLE		1999
williamr@2
   519
#elif _POSIX_C_SOURCE >= 199506
williamr@2
   520
#define	__POSIX_VISIBLE		199506
williamr@2
   521
#define	__ISO_C_VISIBLE		1990
williamr@2
   522
#elif _POSIX_C_SOURCE >= 199309
williamr@2
   523
#define	__POSIX_VISIBLE		199309
williamr@2
   524
#define	__ISO_C_VISIBLE		1990
williamr@2
   525
#elif _POSIX_C_SOURCE >= 199209
williamr@2
   526
#define	__POSIX_VISIBLE		199209
williamr@2
   527
#define	__ISO_C_VISIBLE		1990
williamr@2
   528
#elif _POSIX_C_SOURCE >= 199009
williamr@2
   529
#define	__POSIX_VISIBLE		199009
williamr@2
   530
#define	__ISO_C_VISIBLE		1990
williamr@2
   531
#else
williamr@2
   532
#define	__POSIX_VISIBLE		198808
williamr@2
   533
#define	__ISO_C_VISIBLE		0
williamr@2
   534
#endif /* _POSIX_C_SOURCE */
williamr@2
   535
#else
williamr@2
   536
/*-
williamr@2
   537
 * Deal with _ANSI_SOURCE:
williamr@2
   538
 * If it is defined, and no other compilation environment is explicitly
williamr@2
   539
 * requested, then define our internal feature-test macros to zero.  This
williamr@2
   540
 * makes no difference to the preprocessor (undefined symbols in preprocessing
williamr@2
   541
 * expressions are defined to have value zero), but makes it more convenient for
williamr@2
   542
 * a test program to print out the values.
williamr@2
   543
 *
williamr@2
   544
 * If a program mistakenly defines _ANSI_SOURCE and some other macro such as
williamr@2
   545
 * _POSIX_C_SOURCE, we will assume that it wants the broader compilation
williamr@2
   546
 * environment (and in fact we will never get here).
williamr@2
   547
 */
williamr@2
   548
#if defined(_ANSI_SOURCE)	/* Hide almost everything. */
williamr@2
   549
#define	__POSIX_VISIBLE		0
williamr@2
   550
#define	__XSI_VISIBLE		0
williamr@2
   551
#define	__BSD_VISIBLE		0
williamr@2
   552
#define	__ISO_C_VISIBLE		1990
williamr@2
   553
#elif defined(_C99_SOURCE)	/* Localism to specify strict C99 env. */
williamr@2
   554
#define	__POSIX_VISIBLE		0
williamr@2
   555
#define	__XSI_VISIBLE		0
williamr@2
   556
#define	__BSD_VISIBLE		0
williamr@2
   557
#define	__ISO_C_VISIBLE		1999
williamr@2
   558
#else				/* Default environment: show everything. */
williamr@2
   559
#define	__POSIX_VISIBLE		200112
williamr@2
   560
#define	__XSI_VISIBLE		600
williamr@2
   561
#define	__BSD_VISIBLE		1
williamr@2
   562
#define	__ISO_C_VISIBLE		1999
williamr@2
   563
#endif
williamr@2
   564
#endif
williamr@2
   565
williamr@2
   566
#endif /* !_SYS_CDEFS_H_ */