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1 /*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23 /* $OpenBSD: stddef.h,v 1.2 1997/09/21 10:45:52 niklas Exp $ */
24 /* $NetBSD: stddef.h,v 1.4 1994/10/26 00:56:26 cgd Exp $ */
25
26 /*-
27 * Copyright (c) 1990 The Regents of the University of California.
28 * All rights reserved.
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 * @(#)stddef.h 5.5 (Berkeley) 4/3/91
59 */
60
61 #if !defined(__STDDEF_H__)
62
63 #if !defined(__need_wchar_t) && !defined(__need_size_t) \
64 && !defined(__need_ptrdiff_t) && !defined(__need_NULL) \
65 && !defined(__need_wint_t) && !defined(__need_rsize_t)
66 #define __STDDEF_H__
67 #endif /* none of __need_* defined */
68
69 #include <_types.h>
70
71 #if defined(__STDDEF_H__) || defined(__need_ptrdiff_t)
72 #include <sys/_types/_ptrdiff_t.h>
73 #endif /* __STDDEF_H__ || __need_ptrdiff_t */
74
75 #if defined(__STDDEF_H__) || defined(__need_size_t)
76 /* DO NOT REMOVE THIS COMMENT: fixincludes needs to see:
77 * _GCC_SIZE_T */
78 #include <sys/_types/_size_t.h>
79 #endif /* __STDDEF_H__ || __need_size_t */
80
81 #if (defined(__STDDEF_H__) && defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ >= 1) || defined(__need_rsize_t)
82 #include <sys/_types/_rsize_t.h>
83 #endif /* (__STDDEF_H__ && __STDC_WANT_LIB_EXT1__ >= 1) || __need_rsize_t */
84
85 #if defined(__STDDEF_H__) || defined(__need_wchar_t)
86 #include <sys/_types/_wchar_t.h>
87 #endif /* __STDDEF_H__ || __need_wchar_t */
88
89 #if (defined(__STDDEF_H__) && !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))) \
90 || defined(__need_wint_t)
91 #include <sys/_types/_wint_t.h>
92 #endif /* __STDDEF_H__ && !_ANSI_SOURCE && (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) || __need_wchar_t */
93
94 #if defined(__STDDEF_H__) || defined(__need_NULL)
95 #include <sys/_types/_null.h>
96 #endif /* __STDDEF_H__ || __need_NULL */
97
98 #ifdef __STDDEF_H__
99 #if defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 5 || __GNUC__ > 3)
100 #ifndef __offsetof /* Deprecated: for source compatibility only */
101 #define __offsetof(type, field) __builtin_offsetof(type, field)
102 #endif
103 #define offsetof(type, field) __builtin_offsetof(type, field)
104 #else /* ! (gcc >= 3.5) */
105 #ifndef __offsetof /* Deprecated: for source compatibility only */
106 #define __offsetof(type, field) ((size_t)(&((type *)0)->field))
107 #endif
108 #define offsetof(type, field) ((size_t)(&((type *)0)->field))
109 #endif /* (gcc >= 3.5) */
110 #endif /* __STDDEF_H__ */
111
112 #endif /* __STDDEF_H__ */
113
114 #undef __need_ptrdiff_t
115 #undef __need_size_t
116 #undef __need_wchar_t
117 #undef __need_wint_t
118 #undef __need_NULL