/
cdefs.h
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/
cdefs.h
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* Copyright (c) 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Berkeley Software Design, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. ***REMOVED*** - see
* ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)cdefs.h 8.7 (Berkeley) 1/21/94
*/
#ifndef _CDEFS_H_
#define _CDEFS_H_
#if defined(__cplusplus)
#define __BEGIN_DECLS extern "C" {
#define __END_DECLS }
#else
#define __BEGIN_DECLS
#define __END_DECLS
#endif
/*
* The __CONCAT macro is used to concatenate parts of symbol names, e.g.
* with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
* The __CONCAT macro is a bit tricky -- make sure you don't put spaces
* in between its arguments. __CONCAT can also concatenate double-quoted
* strings produced by the __STRING macro, but this only works with ANSI C.
*/
#if defined(__STDC__) || defined(__cplusplus) || defined(_WINDOWS) || defined(XP_OS2)
#define __P(protos) protos /* full-blown ANSI C */
#define __CONCAT(x,y) x ## y
#define __STRING(x) #x
/* On HP-UX 11.00, <sys/stdsyms.h> defines __const. */
#ifndef __const
#define __const const /* define reserved names to standard */
#endif /* __const */
#define __signed signed
#define __volatile volatile
#ifndef _WINDOWS
#if defined(__cplusplus)
#define __inline inline /* convert to C++ keyword */
#else
#if !defined(__GNUC__) && !defined(__MWERKS__)
#define __inline /* delete GCC keyword */
#endif /* !__GNUC__ */
#endif /* !__cplusplus */
#endif /* !_WINDOWS */
#else /* !(__STDC__ || __cplusplus) */
#define __P(protos) () /* traditional C preprocessor */
#define __CONCAT(x,y) x/**/y
#define __STRING(x) "x"
#ifndef __GNUC__
#define __const /* delete pseudo-ANSI C keywords */
#define __inline
#define __signed
#define __volatile
/*
* In non-ANSI C environments, new programs will want ANSI-only C keywords
* deleted from the program and old programs will want them left alone.
* When using a compiler other than gcc, programs using the ANSI C keywords
* const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
* When using "gcc -traditional", we assume that this is the intent; if
* __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
*/
#ifndef NO_ANSI_KEYWORDS
#define const /* delete ANSI C keywords */
#define inline
#define signed
#define volatile
#endif
#endif /* !__GNUC__ */
#endif /* !(__STDC__ || __cplusplus) */
/*
* GCC1 and some versions of GCC2 declare dead (non-returning) and
* pure (no side effects) functions using "volatile" and "const";
* unfortunately, these then cause warnings under "-ansi -pedantic".
* GCC2 uses a new, peculiar __attribute__((attrs)) style. All of
* these work for GNU C++ (modulo a slight glitch in the C++ grammar
* in the distribution version of 2.5.5).
*/
#if !defined(__GNUC__) || __GNUC__ < 2 || __GNUC_MINOR__ < 5
#define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
#define __dead __volatile
#define __pure __const
#endif
#endif
/* Delete pseudo-keywords wherever they are not available or needed. */
#ifndef __dead
#define __dead
#define __pure
#endif
#endif /* !_CDEFS_H_ */