The Tcpdump Group git mirrors - tcpdump/blob - machdep.c

   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
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26
  27 /*
  28  * XXX - all we need, on platforms other than DEC OSF/1 (a/k/a Digital UNIX,
  29  * a/k/a Tru64 UNIX), is "size_t", which is a standard C type; what do we
  30  * need to do to get it defined?  This is clearly wrong, as we shouldn't
  31  * have to include UNIX or Windows system header files to get it.
  32  */
  33 #include <tcpdump-stdinc.h>
  34
  35
  36 #include "interface.h"
  37
  38 #ifndef lint
  39 static const char rcsid[] _U_ =
  40     "@(#) $Header: /tcpdump/master/tcpdump/machdep.c,v 1.11 2003-11-15 00:39:13 guy Exp $ (LBL)";
  41 #endif
  42
  43 #ifndef HAVE___ATTRIBUTE__
  44 #define __attribute__(x)
  45 #endif /* HAVE___ATTRIBUTE__ */
  46
  47 #define _U_     __attribute__((unused))
  48
  49 #ifdef __osf__
  50 #include <sys/sysinfo.h>
  51 #include <sys/proc.h>
  52
  53 #if !defined(HAVE_SNPRINTF)
  54 int snprintf(char *, size_t, const char *, ...)
  55      __attribute__((format(printf, 3, 4)));
  56 #endif /* !defined(HAVE_SNPRINTF) */
  57 #endif /* __osf__ */
  58
  59 #include "machdep.h"
  60
  61 int
  62 abort_on_misalignment(char *ebuf _U_, size_t ebufsiz _U_)
  63 {
  64 #ifdef __osf__
  65         static int buf[2] = { SSIN_UACPROC, UAC_SIGBUS };
  66
  67         if (setsysinfo(SSI_NVPAIRS, (caddr_t)buf, 1, 0, 0) < 0) {
  68                 (void)snprintf(ebuf, ebufsiz, "setsysinfo: errno %d", errno);
  69                 return (-1);
  70         }
  71 #endif
  72         return (0);
  73 }