1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#ifndef _STDDEF_H_
33#define _STDDEF_H_
34
35#include <sys/_null.h>
36#include <sys/_types.h>
37#include <sys/_visible.h>
38
39#ifndef _PTRDIFF_T_DECLARED
40typedef __ptrdiff_t ptrdiff_t;
41#define _PTRDIFF_T_DECLARED
42#endif
43
44#ifndef _SIZE_T_DECLARED
45typedef __size_t size_t;
46#define _SIZE_T_DECLARED
47#endif
48
49#ifndef __cplusplus
50#ifndef _WCHAR_T_DECLARED
51typedef ___wchar_t wchar_t;
52#define _WCHAR_T_DECLARED
53#endif
54#endif
55
56#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
57#ifndef __CLANG_MAX_ALIGN_T_DEFINED
58typedef __max_align_t max_align_t;
59#define __CLANG_MAX_ALIGN_T_DEFINED
60#define _GCC_MAX_ALIGN_T
61#endif
62#endif
63
64#ifndef offsetof
65#define offsetof(type, field) __builtin_offsetof(type, field)
66#endif
67
68#if __EXT1_VISIBLE
69/* ISO/IEC 9899:2011 K.3.3.2 */
70#ifndef _RSIZE_T_DEFINED
71#define _RSIZE_T_DEFINED
72typedef size_t rsize_t;
73#endif
74#endif /* __EXT1_VISIBLE */
75
76#endif /* _STDDEF_H_ */