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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
     23 static 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)
     48 int 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 
     55 int
     56 abort_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