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