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