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cdefs.h
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Editing: cdefs.h
/* $NetBSD: cdefs.h,v 1.18 1997/06/18 19:09:50 christos Exp $ */ /* * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 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 _SYS_CDEFS_H_ #if defined(NEED_HOST_CDEFS_H) /* * make sure we don't come past here again. */ #undef NEED_HOST_CDEFS_H /* * Some systems - notably linux, have sys/cdefs.h * which is not really compatible with our's. */ #ifdef __GNUC__ # include_next <sys/cdefs.h> #else /* * It sucks that we have to hard code a path like this. * But systems that have a sys/cdefs.h that don't use gcc * should be few. */ # include "/usr/include/sys/cdefs.h" #endif /* * We are about to [re]define these */ #undef __P #undef _SYS_CDEFS_H_ #endif #define _SYS_CDEFS_H_ #ifdef NetBSD #include <machine/cdefs.h> #endif #if defined(__cplusplus) # ifndef __BEGIN_DECLS # define __BEGIN_DECLS extern "C" { # endif # ifndef __END_DECLS # define __END_DECLS }; # endif #else # ifndef __BEGIN_DECLS # define __BEGIN_DECLS # endif # ifndef __END_DECLS # define __END_DECLS # endif #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) #define __P(protos) protos /* full-blown ANSI C */ #ifndef __CONCAT #define __CONCAT(x,y) x ## y #endif #define __STRING(x) #x #define __const const /* define reserved names to standard */ #define __signed signed #define __volatile volatile #if defined(__cplusplus) #define __inline inline /* convert to C++ keyword */ #else #ifndef __GNUC__ #define __inline /* delete GCC keyword */ #endif /* !__GNUC__ */ #endif /* !__cplusplus */ #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 #endif /* !__GNUC__ */ /* * 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. * Programs using the ANSI C keywords const, inline etc. as normal * identifiers should define -DNO_ANSI_KEYWORDS. */ #ifndef NO_ANSI_KEYWORDS #define const __const /* convert ANSI C keywords */ #define inline __inline #define signed __signed #define volatile __volatile #endif /* !NO_ANSI_KEYWORDS */ #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__ == 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 #ifdef sun386 # define __attribute__(x) #endif #ifdef __KPRINTF_ATTRIBUTE__ #define __kprintf_attribute__(a) __attribute__(a) #else #define __kprintf_attribute__(a) #endif /* Delete pseudo-keywords wherever they are not available or needed. */ #ifndef __dead #define __dead #define __pure #endif #define __IDSTRING(name,string) \ static const char name[] __attribute__((__unused__)) = string #ifndef __RCSID #define __RCSID(s) __IDSTRING(rcsid,s) #endif #ifndef __COPYRIGHT #define __COPYRIGHT(s) __IDSTRING(copyright,s) #endif #endif /* !_SYS_CDEFS_H_ */
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