Index: branches/baselayout-1_12/sbin/functions.sh
===================================================================
--- branches/baselayout-1_12/sbin/functions.sh	(revision 3174)
+++ branches/baselayout-1_12/sbin/functions.sh	(working copy)
@@ -784,6 +784,31 @@
     echo "${result# *}"
 }
 
+# bool is_clean(dir)
+#
+# Returns 0 if given directory has no files or has only dot-prefixed files.
+#
+# EXAMPLE: if is_clean /proc; then ...
+is_clean() {
+	local f
+
+	for f in $1/*; do
+		[[ -e $f || -L $f ]] && return 1
+	done
+
+	return 0
+}
+
+# bool is_mounted(mount point)
+#
+#   Returns 0 if 'mount point' is really a mount point or non-zerio if it's
+#   not.
+#
+#   EXAMPLE: if is_mounted /dev/pts; then ...
+is_mounted() {
+	mountpoint -q "$1"
+}
+
 ##############################################################################
 #                                                                            #
 # This should be the last code in here, please add all functions above!!     #