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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_ */ 152: