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annotate packages/net/tcpip/current/include/sys/cdefs.h @ 97:ced4577552cd ecos-sw-2000-06-06

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Merge from eCos master repository on 2000-06-06-08:44:00-BST
author jlarmour
date Tue, 06 Jun 2000 08:39:36 +0000
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children e0c0827131d1
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1 //==========================================================================
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2 //
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3 // include/sys/cdefs.h
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4 //
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5 //
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6 //
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7 //==========================================================================
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8 //####COPYRIGHTBEGIN####
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9 //
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10 // -------------------------------------------
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11 // The contents of this file are subject to the Red Hat eCos Public License
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12 // Version 1.1 (the "License"); you may not use this file except in
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13 // compliance with the License. You may obtain a copy of the License at
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14 // http://www.redhat.com/
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15 //
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16 // Software distributed under the License is distributed on an "AS IS"
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17 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 // License for the specific language governing rights and limitations under
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19 // the License.
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20 //
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21 // The Original Code is eCos - Embedded Configurable Operating System,
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22 // released September 30, 1998.
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23 //
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24 // The Initial Developer of the Original Code is Red Hat.
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25 // Portions created by Red Hat are
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26 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 // All Rights Reserved.
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28 // -------------------------------------------
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29 //
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30 //####COPYRIGHTEND####
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31 //####BSDCOPYRIGHTBEGIN####
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32 //
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33 // -------------------------------------------
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34 //
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35 // Portions of this software may have been derived from OpenBSD or other sources,
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36 // and are covered by the appropriate copyright disclaimers included herein.
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37 //
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38 // -------------------------------------------
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39 //
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40 //####BSDCOPYRIGHTEND####
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41 //==========================================================================
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42 //#####DESCRIPTIONBEGIN####
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43 //
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44 // Author(s): gthomas
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45 // Contributors: gthomas
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46 // Date: 2000-01-10
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47 // Purpose:
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48 // Description:
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49 //
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50 //
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51 //####DESCRIPTIONEND####
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52 //
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53 //==========================================================================
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54
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55
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56 /* $OpenBSD: cdefs.h,v 1.5 1996/09/27 17:34:44 maja Exp $ */
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57 /* $NetBSD: cdefs.h,v 1.16 1996/04/03 20:46:39 christos Exp $ */
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58
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59 /*
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60 * Copyright (c) 1991, 1993
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61 * The Regents of the University of California. All rights reserved.
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62 *
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63 * This code is derived from software contributed to Berkeley by
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64 * Berkeley Software Design, Inc.
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65 *
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66 * Redistribution and use in source and binary forms, with or without
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67 * modification, are permitted provided that the following conditions
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68 * are met:
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69 * 1. Redistributions of source code must retain the above copyright
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70 * notice, this list of conditions and the following disclaimer.
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71 * 2. Redistributions in binary form must reproduce the above copyright
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72 * notice, this list of conditions and the following disclaimer in the
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73 * documentation and/or other materials provided with the distribution.
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74 * 3. All advertising materials mentioning features or use of this software
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75 * must display the following acknowledgement:
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76 * This product includes software developed by the University of
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77 * California, Berkeley and its contributors.
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78 * 4. Neither the name of the University nor the names of its contributors
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79 * may be used to endorse or promote products derived from this software
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80 * without specific prior written permission.
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81 *
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82 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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83 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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84 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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85 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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86 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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87 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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88 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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89 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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90 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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91 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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92 * SUCH DAMAGE.
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93 *
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94 * @(#)cdefs.h 8.7 (Berkeley) 1/21/94
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95 */
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96
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97 #ifndef _SYS_CDEFS_H_
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98 #define _SYS_CDEFS_H_
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99
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100 /*
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101 * Gratuitous NetBSD gcc extensions we can do without.
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102 */
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103
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104 #ifdef __KPRINTF_ATTRIBUTE__
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105 #undef __KPRINTF_ATTRIBUTE__
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106 #endif
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107
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108 #include <machine/cdefs.h>
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109
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110 #if defined(__cplusplus)
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111 #define __BEGIN_DECLS extern "C" {
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112 #define __END_DECLS };
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113 #else
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114 #define __BEGIN_DECLS
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115 #define __END_DECLS
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116 #endif
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117
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118 /*
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119 * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
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120 * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
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121 * The __CONCAT macro is a bit tricky -- make sure you don't put spaces
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122 * in between its arguments. __CONCAT can also concatenate double-quoted
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123 * strings produced by the __STRING macro, but this only works with ANSI C.
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124 */
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125 #if defined(__STDC__) || defined(__cplusplus)
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126 #define __P(protos) protos /* full-blown ANSI C */
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127 #define __CONCAT(x,y) x ## y
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128 #define __STRING(x) #x
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129
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130 #define __const const /* define reserved names to standard */
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131 #define __signed signed
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132 #define __volatile volatile
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133 #if defined(__cplusplus)
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134 #define __inline inline /* convert to C++ keyword */
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135 #else
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136 #if !defined(__GNUC__) && !defined(lint)
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137 #define __inline /* delete GCC keyword */
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138 #endif /* !__GNUC__ && !lint */
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139 #endif /* !__cplusplus */
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140
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141 #else /* !(__STDC__ || __cplusplus) */
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142 #define __P(protos) () /* traditional C preprocessor */
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143 #define __CONCAT(x,y) x/**/y
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144 #define __STRING(x) "x"
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145
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146 #if !defined(__GNUC__) && !defined(lint)
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147 #define __const /* delete pseudo-ANSI C keywords */
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148 #define __inline
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149 #define __signed
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150 #define __volatile
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151 #endif /* !__GNUC__ && !lint */
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152
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153 /*
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154 * In non-ANSI C environments, new programs will want ANSI-only C keywords
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155 * deleted from the program and old programs will want them left alone.
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156 * Programs using the ANSI C keywords const, inline etc. as normal
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157 * identifiers should define -DNO_ANSI_KEYWORDS.
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158 */
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159 #ifndef NO_ANSI_KEYWORDS
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160 #define const __const /* convert ANSI C keywords */
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161 #define inline __inline
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162 #define signed __signed
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163 #define volatile __volatile
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164 #endif /* !NO_ANSI_KEYWORDS */
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165 #endif /* !(__STDC__ || __cplusplus) */
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166
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167 /*
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168 * GCC1 and some versions of GCC2 declare dead (non-returning) and
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169 * pure (no side effects) functions using "volatile" and "const";
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170 * unfortunately, these then cause warnings under "-ansi -pedantic".
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171 * GCC2 uses a new, peculiar __attribute__((attrs)) style. All of
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172 * these work for GNU C++ (modulo a slight glitch in the C++ grammar
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173 * in the distribution version of 2.5.5).
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174 */
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175 #if !defined(__GNUC__) || __GNUC__ < 2 || \
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176 (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
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177 #define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */
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178 #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
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179 #define __dead __volatile
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180 #define __pure __const
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181 #endif
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182 #endif
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183
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184 #ifdef __KPRINTF_ATTRIBUTE__
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185 #define __kprintf_attribute__(a) __attribute__(a)
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186 #else
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187 #define __kprintf_attribute__(a)
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188 #endif
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189
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190 /* Delete pseudo-keywords wherever they are not available or needed. */
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191 #ifndef __dead
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192 #define __dead
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193 #define __pure
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194 #endif
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195
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196 #endif /* !_SYS_CDEFS_H_ */