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 | #include <machine/endian.h> |
95 | |
96 | /* |
97 | * Macros for network/external number representation conversion. |
98 | */ |
99 | |
100 | #if defined(lint) |
101 | |
102 | __BEGIN_DECLS |
103 | __uint16_t ntohs(__uint16_t); |
104 | __uint16_t htons(__uint16_t); |
105 | __uint32_t ntohl(__uint32_t); |
106 | __uint32_t htonl(__uint32_t); |
107 | __END_DECLS |
108 | |
109 | #elif __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN |
110 | |
111 | #define ntohl(x) ((__uint32_t)(x)) |
112 | #define ntohs(x) ((__uint16_t)(x)) |
113 | #define htonl(x) ((__uint32_t)(x)) |
114 | #define htons(x) ((__uint16_t)(x)) |
115 | |
116 | #if defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) |
117 | |
118 | #define ntohll(x) ((__uint64_t)(x)) |
119 | #define htonll(x) ((__uint64_t)(x)) |
120 | |
121 | #define NTOHL(x) (x) |
122 | #define NTOHS(x) (x) |
123 | #define NTOHLL(x) (x) |
124 | #define HTONL(x) (x) |
125 | #define HTONS(x) (x) |
126 | #define HTONLL(x) (x) |
127 | #endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */ |
128 | |
129 | #else /* __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN */ |
130 | |
131 | #ifndef DRIVERKIT |
132 | #include <libkern/_OSByteOrder.h> |
133 | |
134 | #define ntohs(x) __DARWIN_OSSwapInt16(x) |
135 | #define htons(x) __DARWIN_OSSwapInt16(x) |
136 | |
137 | #define ntohl(x) __DARWIN_OSSwapInt32(x) |
138 | #define htonl(x) __DARWIN_OSSwapInt32(x) |
139 | #else /* DRIVERKIT */ |
140 | #define ntohs(x) ((__uint16_t)__builtin_bswap16((__uint16_t)(x))) |
141 | #define htons(x) ((__uint16_t)__builtin_bswap16((__uint16_t)(x))) |
142 | |
143 | #define ntohl(x) ((__uint32_t)__builtin_bswap32((__uint32_t)(x))) |
144 | #define htonl(x) ((__uint32_t)__builtin_bswap32((__uint32_t)(x))) |
145 | #endif /* DRIVERKIT */ |
146 | |
147 | #if defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) |
148 | |
149 | #ifndef DRIVERKIT |
150 | #define ntohll(x) __DARWIN_OSSwapInt64(x) |
151 | #define htonll(x) __DARWIN_OSSwapInt64(x) |
152 | #else /* DRIVERKIT */ |
153 | #define ntohll(x) ((__uint64_t)__builtin_bswap64((__uint64_t)(x))) |
154 | #define htonll(x) ((__uint64_t)__builtin_bswap64((__uint64_t)(x))) |
155 | #endif /* DRIVERKIT */ |
156 | |
157 | #define NTOHL(x) (x) = ntohl((__uint32_t)x) |
158 | #define NTOHS(x) (x) = ntohs((__uint16_t)x) |
159 | #define NTOHLL(x) (x) = ntohll((__uint64_t)x) |
160 | #define HTONL(x) (x) = htonl((__uint32_t)x) |
161 | #define HTONS(x) (x) = htons((__uint16_t)x) |
162 | #define HTONLL(x) (x) = htonll((__uint64_t)x) |
163 | #endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */ |
164 | #endif /* __DARWIN_BYTE_ORDER */ |
165 | #endif /* !_SYS__ENDIAN_H_ */ |
166 | |