/* vi: set sw=4 ts=4: */ /* * Utility routines. * * Copyright (C) tons of folks. Tracking down who wrote what * isn't something I'm going to worry about... If you wrote something * here, please feel free to acknowledge your work. * * 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 * * Based in part on code from sash, Copyright (c) 1999 by David I. Bell * Permission has been granted to redistribute this code under the GPL. * */ #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: */