__endian.h (5302B) - Raw
1 /* 2 * Copyright (c) 2004, 2006, 2023 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 /* 94 * Definitions for byte order, according to byte significance from low 95 * address to high. 96 */ 97 #define __DARWIN_LITTLE_ENDIAN 1234 /* LSB first: i386, vax */ 98 #define __DARWIN_BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */ 99 #define __DARWIN_PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */ 100 101 #if defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) 102 103 #define LITTLE_ENDIAN __DARWIN_LITTLE_ENDIAN 104 #define BIG_ENDIAN __DARWIN_BIG_ENDIAN 105 #define PDP_ENDIAN __DARWIN_PDP_ENDIAN 106 107 #endif /* defined(KERNEL) || (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) */ 108 #endif /* !_SYS___ENDIAN_H_ */