> I'm getting segfaults in yb_any_file_rclose (closing a file opened with
> yb_any_file_ropen with type MIDAS).
> 
> I think there are bugs with freeing from uninitialized pointers my.pmagta,
> my.pyh, and my.pylrl (which are only set when opening a YBOS file).  These
> should be set to NULL in yb_any_file_ropen (case MIDAS).  Likewise, the MIDAS
> format pointers my.pmp and my.pmrd should be NULLed for YBOS opens. 
> 
> It might be wise to also initialize the pointers in the "my" structure to null.

Do you see this crash even after my fix to (another?) double free?

K.O.