Fix error_logger:tty/1 to turn on/off tty logging

This function earlier only added/removed the old error_logger_tty_h
report handler. Since it is mostly used for turning off logging to tty
in general, it now also checks the default logger handlers. It works
as follows:

tty(true):
* If default handler is logger_std_h of type standard_io, make sure it
  has no 'error_logger_tty_false filter'.
* Else, add a new instance of logger_std_h with type standard_io with
  id 'error_logger_tty_true'.

tty(false):
* Remove error_logger_tty_h report handler if it exists.
* Remove error_logger_tty_false logger handler if it exists.
* If default handler is logger_std_h of type standard_io, add a filter
  named 'error_logger_tty_false', which stops all events.

0 files changed, 0 insertions, 0 deletions