--- /dev/null
+// $Id$ --*- c++ -*--
+
+// Copyright (C) 2011 Daniel Hokka Zakrisson <daniel@hozac.com>
+//
+// 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; version 2 of the License.
+//
+// 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.
+
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <sys/utsname.h>
+#include <ctype.h>
+
+int
+vc_get_kernel()
+{
+ static int linux_ver = -1;
+ if (linux_ver == -1) {
+ struct utsname uts;
+ char *p;
+ int part, n;
+ if (uname(&uts) == -1)
+ return -1;
+ part = 0;
+ n = 0;
+ linux_ver = 0;
+ for (p = uts.release; *p && part < 3; p++) {
+ if (*p == '.') {
+ if (part < 3) {
+ linux_ver |= n << (8 * (2 - part));
+ n = 0;
+ part++;
+ }
+ }
+ else if (isdigit(*p)) {
+ n *= 10;
+ n += *p - '0';
+ }
+ else
+ break;
+ }
+ if (n > 0 && part < 3)
+ linux_ver |= n << (8 * (2 - part));
+ }
+ return linux_ver;
+}