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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /* Copyright 1995 NeXT Computer, Inc. All rights reserved. */
23: /*
24: * Copyright (c) 1991, 1993
25: * The Regents of the University of California. All rights reserved.
26: *
27: * This code is derived from software contributed to Berkeley by
28: * Berkeley Software Design, Inc.
29: *
30: * Redistribution and use in source and binary forms, with or without
31: * modification, are permitted provided that the following conditions
32: * are met:
33: * 1. Redistributions of source code must retain the above copyright
34: * notice, this list of conditions and the following disclaimer.
35: * 2. Redistributions in binary form must reproduce the above copyright
36: * notice, this list of conditions and the following disclaimer in the
37: * documentation and/or other materials provided with the distribution.
38: * 3. All advertising materials mentioning features or use of this software
39: * must display the following acknowledgement:
40: * This product includes software developed by the University of
41: * California, Berkeley and its contributors.
42: * 4. Neither the name of the University nor the names of its contributors
43: * may be used to endorse or promote products derived from this software
44: * without specific prior written permission.
45: *
46: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
47: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
48: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
49: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
50: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
51: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
52: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
53: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
54: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
55: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
56: * SUCH DAMAGE.
57: *
58: * @(#)cdefs.h 8.8 (Berkeley) 1/9/95
59: */
60:
61: #ifndef _CDEFS_H_
62: #define _CDEFS_H_
63:
64: #if defined(__cplusplus)
65: #define __BEGIN_DECLS extern "C" {
66: #define __END_DECLS }
67: #else
68: #define __BEGIN_DECLS
69: #define __END_DECLS
70: #endif
71:
72: /*
73: * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
74: * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
75: * The __CONCAT macro is a bit tricky -- make sure you don't put spaces
76: * in between its arguments. __CONCAT can also concatenate double-quoted
77: * strings produced by the __STRING macro, but this only works with ANSI C.
78: */
79: #if defined(__STDC__) || defined(__cplusplus)
80: #define __P(protos) protos /* full-blown ANSI C */
81: #define __CONCAT(x,y) x ## y
82: #define __STRING(x) #x
83:
84: #define __const const /* define reserved names to standard */
85: #define __signed signed
86: #define __volatile volatile
87: #if defined(__cplusplus)
88: #define __inline inline /* convert to C++ keyword */
89: #else
90: #ifndef __GNUC__
91: #define __inline /* delete GCC keyword */
92: #endif /* !__GNUC__ */
93: #endif /* !__cplusplus */
94:
95: #else /* !(__STDC__ || __cplusplus) */
96: #define __P(protos) () /* traditional C preprocessor */
97: #define __CONCAT(x,y) x/**/y
98: #define __STRING(x) "x"
99:
100: #ifndef __GNUC__
101: #define __const /* delete pseudo-ANSI C keywords */
102: #define __inline
103: #define __signed
104: #define __volatile
105: #endif /* !__GNUC__ */
106:
107: /*
108: * In non-ANSI C environments, new programs will want ANSI-only C keywords
109: * deleted from the program and old programs will want them left alone.
110: * When using a compiler other than gcc, programs using the ANSI C keywords
111: * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
112: * When using "gcc -traditional", we assume that this is the intent; if
113: * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
114: */
115: #ifndef NO_ANSI_KEYWORDS
116: #define const __const /* convert ANSI C keywords */
117: #define inline __inline
118: #define signed __signed
119: #define volatile __volatile
120: #endif /* !NO_ANSI_KEYWORDS */
121: #endif /* !(__STDC__ || __cplusplus) */
122:
123: /*
124: * GCC1 and some versions of GCC2 declare dead (non-returning) and
125: * pure (no side effects) functions using "volatile" and "const";
126: * unfortunately, these then cause warnings under "-ansi -pedantic".
127: * GCC2 uses a new, peculiar __attribute__((attrs)) style. All of
128: * these work for GNU C++ (modulo a slight glitch in the C++ grammar
129: * in the distribution version of 2.5.5).
130: */
131: #if !defined(__GNUC__) || __GNUC__ < 2 || \
132: (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
133: #define __attribute__(x) /* delete __attribute__ if non-gcc or gcc1 */
134: #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
135: #define __dead __volatile
136: #define __pure __const
137: #endif
138: #endif
139:
140: /* Delete pseudo-keywords wherever they are not available or needed. */
141: #ifndef __dead
142: #define __dead
143: #define __pure
144: #endif
145:
146: #define __IDSTRING(name,string) \
147: static const char name[] __attribute__((__unused__)) = string
148:
149: #ifndef __COPYRIGHT
150: #define __COPYRIGHT(s) __IDSTRING(copyright,s)
151: #endif
152:
153: #ifndef __RCSID
154: #define __RCSID(s) __IDSTRING(rcsid,s)
155: #endif
156:
157: #ifndef __SCCSID
158: #define __SCCSID(s) __IDSTRING(sccsid,s)
159: #endif
160:
161: #ifndef __PROJECT_VERSION
162: #define __PROJECT_VERSION(s) __IDSTRING(project_version,s)
163: #endif
164:
165: #endif /* !_CDEFS_H_ */
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