1 /* $NetBSD: cdefs.h,v 1.1.1.1 2009/04/12 15:33:54 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Berkeley Software Design, Inc. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)cdefs.h 8.7 (Berkeley) 1/21/94 39 */ 40 41 #ifndef _CDEFS_H_ 42 #define _CDEFS_H_ 43 44 //#include <machine/cdefs.h> 45 46 #if defined(__cplusplus) 47 #define __BEGIN_DECLS extern "C" { 48 #define __END_DECLS }; 49 #else 50 #define __BEGIN_DECLS 51 #define __END_DECLS 52 #endif 53 54 /* 55 * The __CONCAT macro is used to concatenate parts of symbol names, e.g. 56 * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo. 57 * The __CONCAT macro is a bit tricky -- make sure you don't put spaces 58 * in between its arguments. __CONCAT can also concatenate double-quoted 59 * strings produced by the __STRING macro, but this only works with ANSI C. 60 */ 61 #if defined(__STDC__) || defined(__cplusplus) 62 #define __P(protos) protos /* full-blown ANSI C */ 63 #define __CONCAT(x,y) x ## y 64 #define __STRING(x) #x 65 66 #define __const const /* define reserved names to standard */ 67 #define __signed signed 68 #define __volatile volatile 69 #if defined(__cplusplus) 70 #define __inline inline /* convert to C++ keyword */ 71 #else 72 #ifndef __GNUC__ 73 #define __inline /* delete GCC keyword */ 74 #endif /* !__GNUC__ */ 75 #endif /* !__cplusplus */ 76 77 #else /* !(__STDC__ || __cplusplus) */ 78 #define __P(protos) () /* traditional C preprocessor */ 79 #define __CONCAT(x,y) x/**/y 80 #define __STRING(x) "x" 81 82 #ifndef __GNUC__ 83 #define __const /* delete pseudo-ANSI C keywords */ 84 #define __inline 85 #define __signed 86 #define __volatile 87 #endif /* !__GNUC__ */ 88 89 /* 90 * In non-ANSI C environments, new programs will want ANSI-only C keywords 91 * deleted from the program and old programs will want them left alone. 92 * Programs using the ANSI C keywords const, inline etc. as normal 93 * identifiers should define -DNO_ANSI_KEYWORDS. 94 */ 95 #ifndef NO_ANSI_KEYWORDS 96 #define const __const /* convert ANSI C keywords */ 97 #define inline __inline 98 #define signed __signed 99 #define volatile __volatile 100 #endif /* !NO_ANSI_KEYWORDS */ 101 #endif /* !(__STDC__ || __cplusplus) */ 102 103 /* 104 * GCC1 and some versions of GCC2 declare dead (non-returning) and 105 * pure (no side effects) functions using "volatile" and "const"; 106 * unfortunately, these then cause warnings under "-ansi -pedantic". 107 * GCC2 uses a new, peculiar __attribute__((attrs)) style. All of 108 * these work for GNU C++ (modulo a slight glitch in the C++ grammar 109 * in the distribution version of 2.5.5). 110 */ 111 #if !defined(__GNUC__) || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) 112 #define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */ 113 #if defined(__GNUC__) && !defined(__STRICT_ANSI__) 114 #define __dead __volatile 115 #define __pure __const 116 #endif 117 #endif 118 119 /* Delete pseudo-keywords wherever they are not available or needed. */ 120 #ifndef __dead 121 #define __dead 122 #define __pure 123 #endif 124 125 #endif /* !_CDEFS_H_ */ 126