![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to endian.h CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [Apple Darwin 0.x] / kernel / bsd / ppc|
Return to endian.h CVS log | Up to [Apple Darwin 0.x] / kernel / bsd / ppc |
1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /*
26: * Copyright 1995 NeXT Computer, Inc. All rights reserved.
27: */
28: /*
29: * Copyright (c) 1987, 1991, 1993
30: * The Regents of the University of California. All rights reserved.
31: *
32: * Redistribution and use in source and binary forms, with or without
33: * modification, are permitted provided that the following conditions
34: * are met:
35: * 1. Redistributions of source code must retain the above copyright
36: * notice, this list of conditions and the following disclaimer.
37: * 2. Redistributions in binary form must reproduce the above copyright
38: * notice, this list of conditions and the following disclaimer in the
39: * documentation and/or other materials provided with the distribution.
40: * 3. All advertising materials mentioning features or use of this software
41: * must display the following acknowledgement:
42: * This product includes software developed by the University of
43: * California, Berkeley and its contributors.
44: * 4. Neither the name of the University nor the names of its contributors
45: * may be used to endorse or promote products derived from this software
46: * without specific prior written permission.
47: *
48: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58: * SUCH DAMAGE.
59: *
60: * @(#)endian.h 8.1 (Berkeley) 6/10/93
61: */
62:
63: #ifndef _PPC_ENDIAN_H_
64: #define _PPC_ENDIAN_H_
65:
66: /*
67: * Define the order of 32-bit words in 64-bit words.
68: */
69: #define _QUAD_HIGHWORD 0
70: #define _QUAD_LOWWORD 1
71:
72: #if defined(_KERNEL) || !defined(_POSIX_SOURCE)
73: /*
74: * Definitions for byte order, according to byte significance from low
75: * address to high.
76: */
77: #define LITTLE_ENDIAN 1234 /* LSB first: i386, vax */
78: #define BIG_ENDIAN 4321 /* MSB first: 68000, ibm, net, ppc */
79: #define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long */
80:
81: #define BYTE_ORDER BIG_ENDIAN
82:
83: #include <sys/cdefs.h>
84:
85: #ifndef __ASSEMBLER__
86: __BEGIN_DECLS
87: unsigned long htonl __P((unsigned long));
88: unsigned short htons __P((unsigned short));
89: unsigned long ntohl __P((unsigned long));
90: unsigned short ntohs __P((unsigned short));
91: __END_DECLS
92: #endif /* __ASSEMBLER__ */
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:
110: #include <machine/byte_order.h>
111:
112: #define ntohl(x) NXSwapBigLongToHost(x)
113: #define ntohs(x) NXSwapBigShortToHost(x)
114: #define htonl(x) NXSwapHostLongToBig(x)
115: #define htons(x) NXSwapHostShortToBig(x)
116:
117: #define NTOHL(x) (x) = ntohl((u_long)x)
118: #define NTOHS(x) (x) = ntohs((u_short)x)
119: #define HTONL(x) (x) = htonl((u_long)x)
120: #define HTONS(x) (x) = htons((u_short)x)
121: #endif
122: #endif /* defined(_KERNEL) || !defined(_POSIX_SOURCE) */
123: #endif /* !_PPC_ENDIAN_H_ */
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.