1 /* $NetBSD: cdefs.h,v 1.1.1.2 2012/09/09 16:08:05 christos Exp $ */ 2 3 /* 4 * ++Copyright++ 1991, 1993 5 * - 6 * Copyright (c) 1991, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the University of 20 * California, Berkeley and its contributors. 21 * 4. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * - 37 * Portions Copyright (c) 1993 by Digital Equipment Corporation. 38 * 39 * Permission to use, copy, modify, and distribute this software for any 40 * purpose with or without fee is hereby granted, provided that the above 41 * copyright notice and this permission notice appear in all copies, and that 42 * the name of Digital Equipment Corporation not be used in advertising or 43 * publicity pertaining to distribution of the document or software without 44 * specific, written prior permission. 45 * 46 * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL 47 * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES 48 * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT 49 * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL 50 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 51 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS 52 * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS 53 * SOFTWARE. 54 * - 55 * --Copyright-- 56 */ 57 58 /* 59 * @(#)cdefs.h 8.1 (Berkeley) 6/2/93 60 * Id: cdefs.h,v 1.2 2004/07/19 05:53:59 marka Exp 61 */ 62 63 #ifndef _CDEFS_H_ 64 #define _CDEFS_H_ 65 66 #if defined(__cplusplus) 67 #define __BEGIN_DECLS extern "C" { 68 #define __END_DECLS }; 69 #else 70 #define __BEGIN_DECLS 71 #define __END_DECLS 72 #endif 73 74 /* 75 * The __CONCAT macro is used to concatenate parts of symbol names, e.g. 76 * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo. 77 * The __CONCAT macro is a bit tricky -- make sure you don't put spaces 78 * in between its arguments. __CONCAT can also concatenate double-quoted 79 * strings produced by the __STRING macro, but this only works with ANSI C. 80 */ 81 #ifdef __P 82 #undef __P /* /usr/include/net/radix.h may have defined it */ 83 #endif 84 #if defined(__STDC__) || defined(__cplusplus) 85 #define __P(protos) protos /* full-blown ANSI C */ 86 #define __CONCAT(x,y) x ## y 87 #define __STRING(x) #x 88 89 #define __const const /* define reserved names to standard */ 90 #define __signed signed 91 #define __volatile volatile 92 #if defined(__cplusplus) 93 #define __inline inline /* convert to C++ keyword */ 94 #else 95 #ifndef __GNUC__ 96 #define __inline /* delete GCC keyword */ 97 #endif /* !__GNUC__ */ 98 #endif /* !__cplusplus */ 99 100 #else /* !(__STDC__ || __cplusplus) */ 101 #define __P(protos) () /* traditional C preprocessor */ 102 #define __CONCAT(x,y) x/**/y 103 #define __STRING(x) "x" 104 105 #ifndef __GNUC__ 106 #define __const /* delete pseudo-ANSI C keywords */ 107 #define __inline 108 #define __signed 109 #define __volatile 110 /* 111 * In non-ANSI C environments, new programs will want ANSI-only C keywords 112 * deleted from the program and old programs will want them left alone. 113 * When using a compiler other than gcc, programs using the ANSI C keywords 114 * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS. 115 * When using "gcc -traditional", we assume that this is the intent; if 116 * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone. 117 */ 118 #ifndef NO_ANSI_KEYWORDS 119 #define const /* delete ANSI C keywords */ 120 #define inline 121 #define signed 122 #define volatile 123 #endif 124 #endif /* !__GNUC__ */ 125 #endif /* !(__STDC__ || __cplusplus) */ 126 127 /* 128 * GCC1 and some versions of GCC2 declare dead (non-returning) and 129 * pure (no side effects) functions using "volatile" and "const"; 130 * unfortunately, these then cause warnings under "-ansi -pedantic". 131 * GCC2 uses a new, peculiar __attribute__((attrs)) style. All of 132 * these work for GNU C++ (modulo a slight glitch in the C++ grammar 133 * in the distribution version of 2.5.5). 134 */ 135 #if !defined(__GNUC__) || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) 136 #define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */ 137 #if defined(__GNUC__) && !defined(__STRICT_ANSI__) 138 #define __dead __volatile 139 #define __pure __const 140 #endif 141 #endif 142 143 /* Delete pseudo-keywords wherever they are not available or needed. */ 144 #ifndef __dead 145 #define __dead 146 #define __pure 147 #endif 148 149 #endif /* !_CDEFS_H_ */ 150