| | 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_t ntohs(__uint16_t); |
| | 103 | __uint16_t htons(__uint16_t); |
| | 104 | __uint32_t ntohl(__uint32_t); |
| | 105 | __uint32_t htonl(__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 | #if defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) |
| | 133 | #define NTOHL(x) (x) = ntohl((__uint32_t)x) |
| | 134 | #define NTOHS(x) (x) = ntohs((__uint16_t)x) |
| | 135 | #define HTONL(x) (x) = htonl((__uint32_t)x) |
| | 136 | #define HTONS(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_ */ |
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