machdep.c revision 146774 
1218885Sdim/*
2218885Sdim * Copyright (c) 1996, 1997
3218885Sdim *	The Regents of the University of California.  All rights reserved.
4218885Sdim *
5218885Sdim * Redistribution and use in source and binary forms, with or without
6218885Sdim * modification, are permitted provided that: (1) source code distributions
7218885Sdim * retain the above copyright notice and this paragraph in its entirety, (2)
8218885Sdim * distributions including binary code include the above copyright notice and
9218885Sdim * this paragraph in its entirety in the documentation or other materials
10218885Sdim * provided with the distribution, and (3) all advertising materials mentioning
11218885Sdim * features or use of this software display the following acknowledgement:
12218885Sdim * ``This product includes software developed by the University of California,
13218885Sdim * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14218885Sdim * the University nor the names of its contributors may be used to endorse
15221345Sdim * or promote products derived from this software without specific prior
16218885Sdim * written permission.
17218885Sdim * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18218885Sdim * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19218885Sdim * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20218885Sdim */
21218885Sdim
22218885Sdim#ifndef lint
23218885Sdimstatic const char rcsid[] _U_ =
24218885Sdim    "@(#) $Header: /tcpdump/master/tcpdump/machdep.c,v 1.13 2003/12/15 03:53:21 guy Exp $ (LBL)";
25218885Sdim#endif
26218885Sdim
27218885Sdim#ifdef HAVE_CONFIG_H
28218885Sdim#include "config.h"
29218885Sdim#endif
30218885Sdim
31218885Sdim/*
32218885Sdim * XXX - all we need, on platforms other than DEC OSF/1 (a/k/a Digital UNIX,
33218885Sdim * a/k/a Tru64 UNIX), is "size_t", which is a standard C type; what do we
34218885Sdim * need to do to get it defined?  This is clearly wrong, as we shouldn't
35218885Sdim * have to include UNIX or Windows system header files to get it.
36218885Sdim */
37218885Sdim#include <tcpdump-stdinc.h>
38218885Sdim
39218885Sdim#ifndef HAVE___ATTRIBUTE__
40218885Sdim#define __attribute__(x)
41218885Sdim#endif /* HAVE___ATTRIBUTE__ */
42218885Sdim
43218885Sdim#ifdef __osf__
44218885Sdim#include <sys/sysinfo.h>
45218885Sdim#include <sys/proc.h>
46218885Sdim
47218885Sdim#if !defined(HAVE_SNPRINTF)
48218885Sdimint snprintf(char *, size_t, const char *, ...)
49218885Sdim     __attribute__((format(printf, 3, 4)));
50218885Sdim#endif /* !defined(HAVE_SNPRINTF) */
51218885Sdim#endif /* __osf__ */
52218885Sdim
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}
68