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1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /* Copyright 1995 NeXT Computer, Inc. All rights reserved. */
26: /*
27: * Copyright (c) 1991, 1993
28: * The Regents of the University of California. All rights reserved.
29: *
30: * This code is derived from software contributed to Berkeley by
31: * Berkeley Software Design, Inc.
32: *
33: * Redistribution and use in source and binary forms, with or without
34: * modification, are permitted provided that the following conditions
35: * are met:
36: * 1. Redistributions of source code must retain the above copyright
37: * notice, this list of conditions and the following disclaimer.
38: * 2. Redistributions in binary form must reproduce the above copyright
39: * notice, this list of conditions and the following disclaimer in the
40: * documentation and/or other materials provided with the distribution.
41: * 3. All advertising materials mentioning features or use of this software
42: * must display the following acknowledgement:
43: * This product includes software developed by the University of
44: * California, Berkeley and its contributors.
45: * 4. Neither the name of the University nor the names of its contributors
46: * may be used to endorse or promote products derived from this software
47: * without specific prior written permission.
48: *
49: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59: * SUCH DAMAGE.
60: *
61: * @(#)cdefs.h 8.8 (Berkeley) 1/9/95
62: */
63:
64: #ifndef _CDEFS_H_
65: #define _CDEFS_H_
66:
67: #if defined(__cplusplus)
68: #define __BEGIN_DECLS extern "C" {
69: #define __END_DECLS }
70: #else
71: #define __BEGIN_DECLS
72: #define __END_DECLS
73: #endif
74:
75: /*
76: * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
77: * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
78: * The __CONCAT macro is a bit tricky -- make sure you don't put spaces
79: * in between its arguments. __CONCAT can also concatenate double-quoted
80: * strings produced by the __STRING macro, but this only works with ANSI C.
81: */
82: #if defined(__STDC__) || defined(__cplusplus)
83: #define __P(protos) protos /* full-blown ANSI C */
84: #define __CONCAT(x,y) x ## y
85: #define __STRING(x) #x
86:
87: #define __const const /* define reserved names to standard */
88: #define __signed signed
89: #define __volatile volatile
90: #if defined(__cplusplus)
91: #define __inline inline /* convert to C++ keyword */
92: #else
93: #ifndef __GNUC__
94: #define __inline /* delete GCC keyword */
95: #endif /* !__GNUC__ */
96: #endif /* !__cplusplus */
97:
98: #else /* !(__STDC__ || __cplusplus) */
99: #define __P(protos) () /* traditional C preprocessor */
100: #define __CONCAT(x,y) x/**/y
101: #define __STRING(x) "x"
102:
103: #ifndef __GNUC__
104: #define __const /* delete pseudo-ANSI C keywords */
105: #define __inline
106: #define __signed
107: #define __volatile
108: #endif /* !__GNUC__ */
109:
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 __const /* convert ANSI C keywords */
120: #define inline __inline
121: #define signed __signed
122: #define volatile __volatile
123: #endif /* !NO_ANSI_KEYWORDS */
124: #endif /* !(__STDC__ || __cplusplus) */
125:
126: /*
127: * GCC1 and some versions of GCC2 declare dead (non-returning) and
128: * pure (no side effects) functions using "volatile" and "const";
129: * unfortunately, these then cause warnings under "-ansi -pedantic".
130: * GCC2 uses a new, peculiar __attribute__((attrs)) style. All of
131: * these work for GNU C++ (modulo a slight glitch in the C++ grammar
132: * in the distribution version of 2.5.5).
133: */
134: #if !defined(__GNUC__) || __GNUC__ < 2 || \
135: (__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: #define __IDSTRING(name,string) \
150: static const char name[] __attribute__((__unused__)) = string
151:
152: #ifndef __COPYRIGHT
153: #define __COPYRIGHT(s) __IDSTRING(copyright,s)
154: #endif
155:
156: #ifndef __RCSID
157: #define __RCSID(s) __IDSTRING(rcsid,s)
158: #endif
159:
160: #ifndef __SCCSID
161: #define __SCCSID(s) __IDSTRING(sccsid,s)
162: #endif
163:
164: #ifndef __PROJECT_VERSION
165: #define __PROJECT_VERSION(s) __IDSTRING(project_version,s)
166: #endif
167:
168: #endif /* !_CDEFS_H_ */
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