Move tcpdump-3.9/ to tcpdump/. No need for a versioned dir.
[dragonfly.git] / contrib / tcpdump / machdep.c
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1/*
2 * Copyright (c) 1996, 1997
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 */
21
22#ifndef lint
23static const char rcsid[] _U_ =
24 "@(#) $Header: /tcpdump/master/tcpdump/machdep.c,v 1.13 2003/12/15 03:53:21 guy Exp $ (LBL)";
25#endif
26
27#ifdef HAVE_CONFIG_H
28#include "config.h"
29#endif
30
31/*
32 * XXX - all we need, on platforms other than DEC OSF/1 (a/k/a Digital UNIX,
33 * a/k/a Tru64 UNIX), is "size_t", which is a standard C type; what do we
34 * need to do to get it defined? This is clearly wrong, as we shouldn't
35 * have to include UNIX or Windows system header files to get it.
36 */
37#include <tcpdump-stdinc.h>
38
39#ifndef HAVE___ATTRIBUTE__
40#define __attribute__(x)
41#endif /* HAVE___ATTRIBUTE__ */
42
43#ifdef __osf__
44#include <sys/sysinfo.h>
45#include <sys/proc.h>
46
47#if !defined(HAVE_SNPRINTF)
48int snprintf(char *, size_t, const char *, ...)
49 __attribute__((format(printf, 3, 4)));
50#endif /* !defined(HAVE_SNPRINTF) */
51#endif /* __osf__ */
52
53#include "machdep.h"
54
55int
56abort_on_misalignment(char *ebuf _U_, size_t ebufsiz _U_)
57{
58#ifdef __osf__
59 static int buf[2] = { SSIN_UACPROC, UAC_SIGBUS };
60
61 if (setsysinfo(SSI_NVPAIRS, (caddr_t)buf, 1, 0, 0) < 0) {
62 (void)snprintf(ebuf, ebufsiz, "setsysinfo: errno %d", errno);
63 return (-1);
64 }
65#endif
66 return (0);
67}