Am Sat, 25 Sep 2021 08:03:39 -0400 schrieb Scott Kostyshak <skost...@lyx.org>:
> On Sat, Sep 25, 2021 at 01:08:56PM +0200, Kornel Benko wrote:
> > Am Fri, 24 Sep 2021 23:20:51 -0400
> > schrieb Scott Kostyshak <skost...@lyx.org>:
> >
> > > After building with fsanitize=undefined -fno-omit-frame-pointer, I get the
> > > following:
> > >
> > > $ cd lib/examples/ && lyx -e pdf Welcome.lyx
> > > /home/scott/lyxbuilds/master/repo/src/frontends/qt/GuiApplication.cpp:558:55:
> > > runtime error: member call on null pointer of type 'struct
> > > GuiApplication'
> > > /home/scott/lyxbuilds/master/repo/src/frontends/qt/GuiApplication.cpp:558:55:
> > > runtime error: member access within null pointer of type 'struct
> > > GuiApplication'
> > >
> > > After that, LyX gives a backtrace and crashes. I attach the backtrace in
> > > case it's
> > > useful.
> > >
> > > Just for informational purposes (I'm not proposing this as a patch), the
> > > following
> > > does fix the error:
> > >
> > > diff --git a/src/frontends/qt/GuiApplication.cpp
> > > b/src/frontends/qt/GuiApplication.cpp index 01a646de37..b93c4753c7 100644
> > > --- a/src/frontends/qt/GuiApplication.cpp
> > > +++ b/src/frontends/qt/GuiApplication.cpp
> > > @@ -555,6 +555,8 @@ IconInfo iconInfo(FuncRequest const & f, bool
> > > unknown, bool rtl)
> > > if (unknown)
> > > names << "unknown";
> > >
> > > + if (!theGuiApp())
> > > + return res;
> > > search_mode const mode = theGuiApp()->imageSearchMode();
> > > // The folders where icons are searched for
> > > QStringList imagedirs;
> > >
> > > Scott
> >
> > Why not? Looks perfect to me. But probably not the only place.
>
> Because I don't understand what the code does. Can a different PDF be
> produced if the
> export is from the command line instead of from the GUI?
>
> Scott
Makes sense.But if that were the case, we would be in trouble. All our tests
(without GUI)
were invalid.
Kornel
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