xref: /netbsd-src/external/bsd/tcpdump/dist/machdep.c (revision b7b7574d3bf8eeb51a1fa3977b59142ec6434a55)
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 #include <sys/cdefs.h>
23 #ifndef lint
24 #if 0
25 static const char rcsid[] _U_ =
26     "@(#) Header: /tcpdump/master/tcpdump/machdep.c,v 1.13 2003-12-15 03:53:21 guy Exp  (LBL)";
27 #else
28 __RCSID("$NetBSD: machdep.c,v 1.4 2013/12/31 17:33:31 christos Exp $");
29 #endif
30 #endif
31 
32 #ifdef HAVE_CONFIG_H
33 #include "config.h"
34 #endif
35 
36 /*
37  * XXX - all we need, on platforms other than DEC OSF/1 (a/k/a Digital UNIX,
38  * a/k/a Tru64 UNIX), is "size_t", which is a standard C type; what do we
39  * need to do to get it defined?  This is clearly wrong, as we shouldn't
40  * have to include UNIX or Windows system header files to get it.
41  */
42 #include <tcpdump-stdinc.h>
43 
44 #ifndef HAVE___ATTRIBUTE__
45 #define __attribute__(x)
46 #endif /* HAVE___ATTRIBUTE__ */
47 
48 #ifdef __osf__
49 #include <sys/sysinfo.h>
50 #include <sys/proc.h>
51 
52 #if !defined(HAVE_SNPRINTF)
53 int snprintf(char *, size_t, const char *, ...)
54 #ifdef __ATTRIBUTE___FORMAT_OK
55      __attribute__((format(printf, 3, 4)))
56 #endif /* __ATTRIBUTE___FORMAT_OK */
57      ;
58 #endif /* !defined(HAVE_SNPRINTF) */
59 #endif /* __osf__ */
60 
61 #include "machdep.h"
62 
63 int
64 abort_on_misalignment(char *ebuf _U_, size_t ebufsiz _U_)
65 {
66 #ifdef __osf__
67 	static int buf[2] = { SSIN_UACPROC, UAC_SIGBUS };
68 
69 	if (setsysinfo(SSI_NVPAIRS, (caddr_t)buf, 1, 0, 0) < 0) {
70 		(void)snprintf(ebuf, ebufsiz, "setsysinfo: errno %d", errno);
71 		return (-1);
72 	}
73 #endif
74 	return (0);
75 }
76