projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * The contents of this file constitute Original Code as defined in and | |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the | |
| 8 | * "License"). You may not use this file except in compliance with the | |
| 9 | * License. Please obtain a copy of the License at | |
| 10 | * http://www.apple.com/publicsource and read it before using this file. | |
| 11 | * | |
| 12 | * This Original Code and all software distributed under the License are | |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the | |
| 17 | * License for the specific language governing rights and limitations | |
| 18 | * under the License. | |
| 19 | * | |
| 20 | * @APPLE_LICENSE_HEADER_END@ | |
| 21 | */ | |
| 22 | /* | |
| 23 | * Copyright 1995 NeXT Computer, Inc. All rights reserved. | |
| 24 | */ | |
| 25 | /* | |
| 26 | * Copyright (c) 1987, 1991, 1993 | |
| 27 | * The Regents of the University of California. All rights reserved. | |
| 28 | * | |
| 29 | * Redistribution and use in source and binary forms, with or without | |
| 30 | * modification, are permitted provided that the following conditions | |
| 31 | * are met: | |
| 32 | * 1. Redistributions of source code must retain the above copyright | |
| 33 | * notice, this list of conditions and the following disclaimer. | |
| 34 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 35 | * notice, this list of conditions and the following disclaimer in the | |
| 36 | * documentation and/or other materials provided with the distribution. | |
| 37 | * 3. All advertising materials mentioning features or use of this software | |
| 38 | * must display the following acknowledgement: | |
| 39 | * This product includes software developed by the University of | |
| 40 | * California, Berkeley and its contributors. | |
| 41 | * 4. Neither the name of the University nor the names of its contributors | |
| 42 | * may be used to endorse or promote products derived from this software | |
| 43 | * without specific prior written permission. | |
| 44 | * | |
| 45 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 46 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 47 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 48 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 49 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 50 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 51 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 52 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 53 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 54 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 55 | * SUCH DAMAGE. | |
| 56 | * | |
| 57 | * @(#)endian.h 8.1 (Berkeley) 6/11/93 | |
| 58 | */ | |
| 59 | ||
| 60 | #ifndef _I386__ENDIAN_H_ | |
| 61 | #define _I386__ENDIAN_H_ | |
| 62 | ||
| 63 | /* | |
| 64 | * Define _NOQUAD if the compiler does NOT support 64-bit integers. | |
| 65 | */ | |
| 66 | /* #define _NOQUAD */ | |
| 67 | ||
| 68 | /* | |
| 69 | * Define the order of 32-bit words in 64-bit words. | |
| 70 | */ | |
| 71 | #define _QUAD_HIGHWORD 1 | |
| 72 | #define _QUAD_LOWWORD 0 | |
| 73 | ||
| 74 | #if defined(KERNEL) || !defined(_POSIX_SOURCE) | |
| 75 | /* | |
| 76 | * Definitions for byte order, according to byte significance from low | |
| 77 | * address to high. | |
| 78 | */ | |
| 79 | #define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */ | |
| 80 | #define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net */ | |
| 81 | #define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */ | |
| 82 | ||
| 83 | #define BYTE_ORDER LITTLE_ENDIAN | |
| 84 | ||
| 85 | #include <sys/cdefs.h> | |
| 86 | ||
| 87 | __BEGIN_DECLS | |
| 88 | unsigned long htonl __P((unsigned long)); | |
| 89 | unsigned short htons __P((unsigned short)); | |
| 90 | unsigned long ntohl __P((unsigned long)); | |
| 91 | unsigned short ntohs __P((unsigned short)); | |
| 92 | __END_DECLS | |
| 93 | ||
| 94 | /* | |
| 95 | * Macros for network/external number representation conversion. | |
| 96 | */ | |
| 97 | #if BYTE_ORDER == BIG_ENDIAN && !defined(lint) | |
| 98 | #define ntohl(x) (x) | |
| 99 | #define ntohs(x) (x) | |
| 100 | #define htonl(x) (x) | |
| 101 | #define htons(x) (x) | |
| 102 | ||
| 103 | #define NTOHL(x) (x) | |
| 104 | #define NTOHS(x) (x) | |
| 105 | #define HTONL(x) (x) | |
| 106 | #define HTONS(x) (x) | |
| 107 | ||
| 108 | #else | |
| 109 | #include <machine/byte_order.h> | |
| 110 | ||
| 111 | #define ntohl(x) NXSwapBigLongToHost(x) | |
| 112 | #define ntohs(x) NXSwapBigShortToHost(x) | |
| 113 | #define htonl(x) NXSwapHostLongToBig(x) | |
| 114 | #define htons(x) NXSwapHostShortToBig(x) | |
| 115 | ||
| 116 | #define NTOHL(x) (x) = ntohl((u_long)x) | |
| 117 | #define NTOHS(x) (x) = ntohs((u_short)x) | |
| 118 | #define HTONL(x) (x) = htonl((u_long)x) | |
| 119 | #define HTONS(x) (x) = htons((u_short)x) | |
| 120 | #endif | |
| 121 | #endif /* defined(KERNEL) || !defined(_POSIX_SOURCE) */ | |
| 122 | #endif /* !_I386__ENDIAN_H_ */ |