Moved the kernel version-ing code into a new version.h

[nfs-utils.git] / utils / mount / version.h

diff --git a/utils/mount/version.h b/utils/mount/version.h
new file mode 100644 (file)
index 0000000..46552a1
--- /dev/null
+++ b/utils/mount/version.h
@@ -0,0 +1,51 @@
+/*
+ * version.h -- get running kernel version
+ *
+ * Copyright (C) 2008 Oracle.  All rights reserved.
+ *
+ * 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 021110-1307, USA.
+ *
+ */
+
+#ifndef _NFS_UTILS_MOUNT_VERSION_H
+#define _NFS_UTILS_MOUNT_VERSION_H
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <sys/utsname.h>
+
+static inline unsigned int MAKE_VERSION(unsigned int p, unsigned int q,
+                                       unsigned int r)
+{
+       return (65536 * p) + (256 * q) + r;
+}
+
+static inline unsigned int linux_version_code(void)
+{
+       struct utsname my_utsname;
+       unsigned int p, q, r;
+
+       if (uname(&my_utsname))
+               return 0;
+
+       p = atoi(strtok(my_utsname.release, "."));
+       q = atoi(strtok(NULL, "."));
+       r = atoi(strtok(NULL, "."));
+       return MAKE_VERSION(p, q, r);
+}
+
+#endif /* _NFS_UTILS_MOUNT_VERSION_H */