kicad-developers team mailing list archive

[Seth Hillbrand <seth.hillbrand@xxxxxxxxx>]

Hi Jeff-

The underscore is a macro to call wxGetTranslation().  There's some null
checking there but more importantly, it returns a wxString that will be
valid regardless of the the contents.  If you cast a wxString with no data
to a C string, you still get the valid pointer to the data segment (just
has length 0).

-S

2018-03-12 10:32 GMT-07:00 Jeff Young <jeff@xxxxxxxxx>:

> I’ve had a couple of crashes while clicking in a window when CvPcb was
> loading footprints.
>
> Both were because a format string of the form  L"blah, blah, %s"  was
> NULL.  Is there some protection that _( "…" ) gives us over using an
> immediate value?  (When I use those instead, it doesn’t crash.)
>
> Thanks,
> Jeff.
>
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