int ProbePointerBits(int *sure)
{
int iret = 32;
char *uname;
char cmnd[1024], res[1024];
/*
* Note this is a weak probe, archinfo_x86 much better . . .
*/
*sure = 0;
uname = FindUname(NULL);
sprintf(cmnd, "%s -a", uname);
/*
* This probe should be running on backend; if its ptr length is 8, we've
* definitely got a 64 bit machine
* NOTE: getting 4 could be a result of compiler flags on a 64-bit arch,
* so reverse is not dispositive
*/
if (sizeof(void*) == 8)
{
iret = 64;
*sure = 1;
}
else if (!CmndOneLine(NULL, cmnd, res))
{
/*
* If uname is a known 64-bit platform, we're sure we've got OS support
* for 64bits (may not have compiler support, but that's not our fault)
*/
if (strstr(res, "x86_64") || strstr(res, "ppc64") || strstr(res, "ia64"))
{
iret = 64;
*sure = 1;
}
}
return(iret);
}
enum OSTYPE ProbeOS(int verb, char *targ)
{
int i, ierr=0;
char ln[1024], ln2[1024];
char *cmnd, *res;
enum OSTYPE OS;
char *unam;
if (verb) printf("Probing to make operating system determination:\n");
unam = FindUname(targ);
i = strlen(unam) + 4;
cmnd = malloc(sizeof(char)*i);
assert(cmnd);
sprintf(cmnd, "%s -s", unam);
res = atlsys_1L(targ, cmnd, verb, 0);
if (res)
{
/*
* Accept GNU (HURD) as Linux, since they seem to use same stuff;
* This is patch from Sylvestre Ledru; I have no direct experience wt HURD
*/
if(strstr(res, "Linux") || strstr(res, "GNU")) OS = OSLinux;
else if(strstr(res, "FreeBSD")) OS = OSFreeBSD;
else if (strstr(res, "Darwin")) OS = OSOSX;
else if(strstr(res, "SunOS"))
{
sprintf(cmnd, "%s -r", unam);
free(res);
res = atlsys_1L(targ, cmnd, verb, 0);
if (res[0] == '4') OS = OSSunOS4;
else OS = OSSunOS;
}
else if(strstr(res, "OSF1")) OS = OSOSF1;
else if(strstr(res, "IRIX")) OS = OSIRIX;
else if(strstr(res, "AIX")) OS = OSAIX;
else if(strstr(res, "WIN"))
{
if (strstr(res, "95") || strstr(res, "98") || strstr(res, "_ME"))
OS = OSWin9x;
/*
* Need to confirm what is returned under cygwin for XP, etc.
*/
else if (strstr(res, "WOW64")) OS =OSWin64;
else if (strstr(res, "NT")) OS = OSWinNT;
else ierr = 1;
}
else if (strstr(res, "HP-UX")) OS = OSHPUX;
else ierr = 1;
free(res);
}
free(cmnd);
if (ierr)
{
printf("\n\nUnable to determine OS, quitting\n\n");
exit(-1);
}
if (verb)
printf("Operating system configured as %s\n\n", osnam[OS]);
return(OS);
}
