On Tue, Apr 2, 2019 at 9:48 PM Reinhard Kotucha <reinhard.kotu...@web.de>
wrote:
> On 2019-04-02 at 08:50:23 +0200, luigi scarso wrote:
>
> > On Tue, Apr 2, 2019 at 7:18 AM luigi scarso <luigi.sca...@gmail.com>
> wrote:
> >
> > On Tue, Apr 2, 2019 at 12:23 AM Reinhard Kotucha <
> > reinhard.kotu...@web.de> wrote:
> >
> > Hi,
> > when I run the example on page 261/262 of the LuaTeX Manual and
> the
> > input file ("foo.pdf" in the example) doesn't exist, I get
> >
> > Segmentation fault (core dumped)
> >
> > on x86_64-linux.
> >
> >
> > This is ok
> > $ luatex --fmt=luatex-plain "test-plain.tex"
>
> Hi Luigi,
> this works here too. I get:
>
> This is LuaTeX, Version 1.10.0 (TeX Live 2019)
> restricted system commands enabled.
> (./testpdfscanner.tex
> warning (pdfe lib): no valid pdf file 'foo.pdf'
> )
> (see the transcript file for additional information)
> warning (pdf backend): no pages of output.
> Transcript written on testpdfscanner.log.
>
>
> I suppose that texlua crashes when trying to print the warning, see
> gdb output below. What I don't understand is is why luatex and
> texlua behave differently here.
>
>
because the print of the warning requires a TeX state. texlua has only a
Lua state.
--
luigi
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