xref: /xnu-11215.41.3/bsd/i386/_endian.h (revision 33de042d024d46de5ff4e89f2471de6608e37fa4)
1 /*
2  * Copyright (c) 2004, 2006, 2023 Apple Computer, Inc. All rights reserved.
3  *
4  * @APPLE_OSREFERENCE_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. The rights granted to you under the License
10  * may not be used to create, or enable the creation or redistribution of,
11  * unlawful or unlicensed copies of an Apple operating system, or to
12  * circumvent, violate, or enable the circumvention or violation of, any
13  * terms of an Apple operating system software license agreement.
14  *
15  * Please obtain a copy of the License at
16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17  *
18  * The Original Code and all software distributed under the License are
19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23  * Please see the License for the specific language governing rights and
24  * limitations under the License.
25  *
26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27  */
28 
29 /*
30  * Copyright (c) 1995 NeXT Computer, Inc. All rights reserved.
31  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
32  *
33  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
34  *
35  * This file contains Original Code and/or Modifications of Original Code
36  * as defined in and that are subject to the Apple Public Source License
37  * Version 2.0 (the 'License'). You may not use this file except in
38  * compliance with the License. The rights granted to you under the License
39  * may not be used to create, or enable the creation or redistribution of,
40  * unlawful or unlicensed copies of an Apple operating system, or to
41  * circumvent, violate, or enable the circumvention or violation of, any
42  * terms of an Apple operating system software license agreement.
43  *
44  * Please obtain a copy of the License at
45  * http://www.opensource.apple.com/apsl/ and read it before using this file.
46  *
47  * The Original Code and all software distributed under the License are
48  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
49  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
50  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
51  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
52  * Please see the License for the specific language governing rights and
53  * limitations under the License.
54  *
55  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
56  */
57 /*
58  * Copyright (c) 1987, 1991, 1993
59  *	The Regents of the University of California.  All rights reserved.
60  *
61  * Redistribution and use in source and binary forms, with or without
62  * modification, are permitted provided that the following conditions
63  * are met:
64  * 1. Redistributions of source code must retain the above copyright
65  *    notice, this list of conditions and the following disclaimer.
66  * 2. Redistributions in binary form must reproduce the above copyright
67  *    notice, this list of conditions and the following disclaimer in the
68  *    documentation and/or other materials provided with the distribution.
69  * 3. All advertising materials mentioning features or use of this software
70  *    must display the following acknowledgement:
71  *	This product includes software developed by the University of
72  *	California, Berkeley and its contributors.
73  * 4. Neither the name of the University nor the names of its contributors
74  *    may be used to endorse or promote products derived from this software
75  *    without specific prior written permission.
76  *
77  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
78  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
79  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
80  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
81  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
82  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
83  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
84  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
85  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
86  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
87  * SUCH DAMAGE.
88  */
89 
90 #ifndef _I386___ENDIAN_H_
91 #define _I386___ENDIAN_H_
92 
93 #if defined (__i386__) || defined (__x86_64__)
94 
95 #include <sys/__endian.h>
96 
97 #define __DARWIN_BYTE_ORDER     __DARWIN_LITTLE_ENDIAN
98 
99 #if     defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
100 
101 #define BYTE_ORDER      __DARWIN_BYTE_ORDER
102 
103 #endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */
104 #endif /* defined (__i386__) || defined (__x86_64__) */
105 #endif /* !_I386___ENDIAN_H_ */
106