Don't reinvent the wheel: Use setmode(3) to interpret

a file mode specification from the command line.  This
approach is more flexible and less error-prone than using
a mere strtoul(3).

1 files changed, 11 insertions, 0 deletions

diff --git a/sbin/mdmfs/mdmfs.8 b/sbin/mdmfs/mdmfs.8
index 9db5194..daf66c2 100644
--- a/sbin/mdmfs/mdmfs.8
+++ b/sbin/mdmfs/mdmfs.8
@@ -200,6 +200,17 @@ Set the file (directory) permissions of the mount point
 .Ar mount-point
 to
 .Ar permissions .
+The
+.Ar permissions
+argument can be in any of the mode formats recognized by
+.Xr chmod 1 .
+If symbolic permissions are specified,
+the operation characters
+.Dq +
+and
+.Dq -
+are interpreted relative to the initial permissions of
+.Dq a=rwx .
 .It Fl S
 Do not enable soft-updates on the file system.
 .It Fl s Ar size