1 /* $NetBSD: cdefs.h,v 1.1.1.2 2012/09/09 16:08:07 christos Exp $ */ 2 3 /* NetBSD: cdefs.h,v 1.15 1995/01/19 01:54:52 jtc Exp */ 4 5 /* 6 * Copyright (c) 1991, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * This code is derived from software contributed to Berkeley by 10 * Berkeley Software Design, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)cdefs.h 8.7 (Berkeley) 1/21/94 41 */ 42 43 #ifndef _CDEFS_H_ 44 #define _CDEFS_H_ 45 46 //#include <machine/cdefs.h> 47 48 #if defined(__cplusplus) 49 #define __BEGIN_DECLS extern "C" { 50 #define __END_DECLS }; 51 #else 52 #define __BEGIN_DECLS 53 #define __END_DECLS 54 #endif 55 56 /* 57 * The __CONCAT macro is used to concatenate parts of symbol names, e.g. 58 * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo. 59 * The __CONCAT macro is a bit tricky -- make sure you don't put spaces 60 * in between its arguments. __CONCAT can also concatenate double-quoted 61 * strings produced by the __STRING macro, but this only works with ANSI C. 62 */ 63 #if defined(__STDC__) || defined(__cplusplus) 64 #define __P(protos) protos /* full-blown ANSI C */ 65 #define __CONCAT(x,y) x ## y 66 #define __STRING(x) #x 67 68 #define __const const /* define reserved names to standard */ 69 #define __signed signed 70 #define __volatile volatile 71 #if defined(__cplusplus) 72 #define __inline inline /* convert to C++ keyword */ 73 #else 74 #ifndef __GNUC__ 75 #define __inline /* delete GCC keyword */ 76 #endif /* !__GNUC__ */ 77 #endif /* !__cplusplus */ 78 79 #else /* !(__STDC__ || __cplusplus) */ 80 #define __P(protos) () /* traditional C preprocessor */ 81 #define __CONCAT(x,y) x/**/y 82 #define __STRING(x) "x" 83 84 #ifndef __GNUC__ 85 #define __const /* delete pseudo-ANSI C keywords */ 86 #define __inline 87 #define __signed 88 #define __volatile 89 #endif /* !__GNUC__ */ 90 91 /* 92 * In non-ANSI C environments, new programs will want ANSI-only C keywords 93 * deleted from the program and old programs will want them left alone. 94 * Programs using the ANSI C keywords const, inline etc. as normal 95 * identifiers should define -DNO_ANSI_KEYWORDS. 96 */ 97 #ifndef NO_ANSI_KEYWORDS 98 #define const __const /* convert ANSI C keywords */ 99 #define inline __inline 100 #define signed __signed 101 #define volatile __volatile 102 #endif /* !NO_ANSI_KEYWORDS */ 103 #endif /* !(__STDC__ || __cplusplus) */ 104 105 /* 106 * GCC1 and some versions of GCC2 declare dead (non-returning) and 107 * pure (no side effects) functions using "volatile" and "const"; 108 * unfortunately, these then cause warnings under "-ansi -pedantic". 109 * GCC2 uses a new, peculiar __attribute__((attrs)) style. All of 110 * these work for GNU C++ (modulo a slight glitch in the C++ grammar 111 * in the distribution version of 2.5.5). 112 */ 113 #if !defined(__GNUC__) || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) 114 #define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */ 115 #if defined(__GNUC__) && !defined(__STRICT_ANSI__) 116 #define __dead __volatile 117 #define __pure __const 118 #endif 119 #endif 120 121 /* Delete pseudo-keywords wherever they are not available or needed. */ 122 #ifndef __dead 123 #define __dead 124 #define __pure 125 #endif 126 127 #endif /* !_CDEFS_H_ */ 128