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Root/tags/2.0/i386/include/sys/_endian.h

Source at commit 1808 created 12 years 4 months ago.
By blackosx, Revise layout of package installer 'Welcome' file so it looks cleaner. Change the copyright notice to begin from 2009 as seen in the Chameleon 2.0 r431 installer. Should this date be set earlier?
1/*
2 * Copyright (c) 2004, 2006 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 _SYS__ENDIAN_H_
91#define_SYS__ENDIAN_H_
92
93#include <sys/cdefs.h>
94
95/*
96 * Macros for network/external number representation conversion.
97 */
98
99#if defined(lint)
100
101__BEGIN_DECLS
102__uint16_tntohs(__uint16_t);
103__uint16_thtons(__uint16_t);
104__uint32_tntohl(__uint32_t);
105__uint32_thtonl(__uint32_t);
106__END_DECLS
107
108#elif __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN
109
110#define ntohl(x) ((__uint32_t)(x))
111#define ntohs(x) ((__uint16_t)(x))
112#define htonl(x) ((__uint32_t)(x))
113#define htons(x) ((__uint16_t)(x))
114
115#if defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
116#define NTOHL(x) (x)
117#define NTOHS(x) (x)
118#define HTONL(x) (x)
119#define HTONS(x) (x)
120#endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */
121
122#else/* __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN */
123
124#include <libkern/_OSByteOrder.h>
125
126#define ntohs(x)__DARWIN_OSSwapInt16(x)
127#define htons(x)__DARWIN_OSSwapInt16(x)
128
129#define ntohl(x)__DARWIN_OSSwapInt32(x)
130#define htonl(x)__DARWIN_OSSwapInt32(x)
131
132#ifdefined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
133#defineNTOHL(x)(x) = ntohl((__uint32_t)x)
134#defineNTOHS(x)(x) = ntohs((__uint16_t)x)
135#defineHTONL(x)(x) = htonl((__uint32_t)x)
136#defineHTONS(x)(x) = htons((__uint16_t)x)
137#endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */
138#endif /* __DARWIN_BYTE_ORDER */
139#endif /* !_SYS__ENDIAN_H_ */
140

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