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1 | /* | |
2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
3 | * | |
4 | * @APPLE_LICENSE_HEADER_START@ | |
5 | * | |
6 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. | |
7 | * | |
8 | * This file contains Original Code and/or Modifications of Original Code | |
9 | * as defined in and that are subject to the Apple Public Source License | |
10 | * Version 2.0 (the 'License'). You may not use this file except in | |
11 | * compliance with the License. Please obtain a copy of the License at | |
12 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
13 | * file. | |
14 | * | |
15 | * The Original Code and all software distributed under the License are | |
16 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
17 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
18 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
19 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
20 | * Please see the License for the specific language governing rights and | |
21 | * limitations under the License. | |
22 | * | |
23 | * @APPLE_LICENSE_HEADER_END@ | |
24 | */ | |
25 | /*- | |
26 | * Copyright (c) 1992, 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 | * @(#)bpf_compat.h 8.1 (Berkeley) 6/10/93 | |
58 | * $FreeBSD: src/sys/net/bpf_compat.h,v 1.6 1999/08/28 00:48:13 peter Exp $ | |
59 | */ | |
60 | ||
61 | #ifndef _NET_BPF_COMPAT_H_ | |
62 | #define _NET_BPF_COMPAT_H_ | |
63 | ||
64 | /* | |
65 | * Some hacks for compatibility across SunOS and 4.4BSD. We emulate malloc | |
66 | * and free with mbuf clusters. We store a pointer to the mbuf in the first | |
67 | * word of the mbuf and return 8 bytes passed the start of data (for double | |
68 | * word alignment). We cannot just use offsets because clusters are not at | |
69 | * a fixed offset from the associated mbuf. Sorry for this kludge. | |
70 | */ | |
71 | #define malloc(size, type, canwait) _MALLOC(size, type, canwait) | |
72 | #define free(cp, type) m_free(*(struct mbuf **)(cp - 8)) | |
73 | ||
74 | #endif |