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/* Misc utility functions.
Copyright 1996, 1997 Linux International.
Written by Keith Owens <kaos@ocs.com.au>
This file is part of the Linux modutils.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include <stdlib.h>
#include <string.h>
#include <sys/utsname.h>
#include "util.h"
/*======================================================================*/
/* Indicate if the current machine uses 64 bit architecture */
int arch64(void)
{
struct utsname uts;
char *uname_m;
if (uname(&uts))
return(0);
if ((uname_m = getenv("UNAME_MACHINE"))) {
int l = strlen(uname_m);
if (l >= sizeof(uts.machine))
l = sizeof(uts.machine)-1;
memcpy(uts.machine, uname_m, l);
uts.machine[l] = '\0';
}
return(strstr(uts.machine, "64") != NULL || strstr(uts.machine, "s390x") != NULL);
}
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