| 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 | |
| 117 | #define ntohll(x) ((__uint64_t)(x)) |
| 118 | #define htonll(x) ((__uint64_t)(x)) |
| 119 | |
| 120 | #define NTOHL(x) (x) |
| 121 | #define NTOHS(x) (x) |
| 122 | #define NTOHLL(x) (x) |
| 123 | #define HTONL(x) (x) |
| 124 | #define HTONS(x) (x) |
| 125 | #define HTONLL(x) (x) |
| 126 | #endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */ |
| 127 | |
| 128 | #else /* __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN */ |
| 129 | |
| 130 | #include <libkern/_OSByteOrder.h> |
| 131 | |
| 132 | #define ntohs(x) __DARWIN_OSSwapInt16(x) |
| 133 | #define htons(x) __DARWIN_OSSwapInt16(x) |
| 134 | |
| 135 | #define ntohl(x) __DARWIN_OSSwapInt32(x) |
| 136 | #define htonl(x) __DARWIN_OSSwapInt32(x) |
| 137 | |
| 138 | #if defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) |
| 139 | |
| 140 | #define ntohll(x) __DARWIN_OSSwapInt64(x) |
| 141 | #define htonll(x) __DARWIN_OSSwapInt64(x) |
| 142 | |
| 143 | #define NTOHL(x) (x) = ntohl((__uint32_t)x) |
| 144 | #define NTOHS(x) (x) = ntohs((__uint16_t)x) |
| 145 | #define NTOHLL(x) (x) = ntohll((__uint64_t)x) |
| 146 | #define HTONL(x) (x) = htonl((__uint32_t)x) |
| 147 | #define HTONS(x) (x) = htons((__uint16_t)x) |
| 148 | #define HTONLL(x) (x) = htonll((__uint64_t)x) |
| 149 | #endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */ |
| 150 | #endif /* __DARWIN_BYTE_ORDER */ |
| 151 | #endif /* !_SYS__ENDIAN_H_ */ |