Andrea Bolognani authored 1 year ago and Alexey Minnekhanov committed 1 year ago

The current invocation doesn't work:

  $ busybox dc "100" "5" / p
  dc: can't open '100': No such file or directory

Fix it so that it does:

  $ busybox dc -e "100 5 / p"
  20

One of the messages that is printed on failure was missing
the "WARNING:" prefix. Address that too.

Signed-off-by: Andrea Bolognani <eof@kiyuko.org>