2001-03-16 22:47:14 +00:00
|
|
|
/* vi: set sw=4 ts=4: */
|
|
|
|
|
/*
|
|
|
|
|
* Utility routines.
|
|
|
|
|
*
|
2001-10-24 05:00:29 +00:00
|
|
|
* Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org>
|
2001-03-16 22:47:14 +00:00
|
|
|
*
|
|
|
|
|
* 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 <stdio.h>
|
|
|
|
|
#include <string.h>
|
|
|
|
|
#include <stdlib.h>
|
|
|
|
|
#include <sys/utsname.h> /* for uname(2) */
|
|
|
|
|
|
|
|
|
|
#include "libbb.h"
|
|
|
|
|
|
|
|
|
|
/* Returns kernel version encoded as major*65536 + minor*256 + patch,
|
|
|
|
|
* so, for example, to check if the kernel is greater than 2.2.11:
|
|
|
|
|
* if (get_kernel_revision() <= 2*65536+2*256+11) { <stuff> }
|
|
|
|
|
*/
|
|
|
|
|
extern int get_kernel_revision(void)
|
|
|
|
|
{
|
|
|
|
|
struct utsname name;
|
|
|
|
|
char *s;
|
|
|
|
|
int i, r;
|
|
|
|
|
|
|
|
|
|
if (uname(&name) == -1) {
|
|
|
|
|
perror_msg("cannot get system information");
|
|
|
|
|
return (0);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
s = name.release;
|
|
|
|
|
r = 0;
|
|
|
|
|
for (i=0 ; i<3 ; i++) {
|
|
|
|
|
r = r * 256 + atoi(strtok(s, "."));
|
|
|
|
|
s = NULL;
|
|
|
|
|
}
|
|
|
|
|
return r;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* END CODE */
|
|
|
|
|
/*
|
|
|
|
|
Local Variables:
|
|
|
|
|
c-file-style: "linux"
|
|
|
|
|
c-basic-offset: 4
|
|
|
|
|
tab-width: 4
|
|
|
|
|
End:
|
|
|
|
|
*/
|
