| 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_ */␊ |
| 140 | |
