Date: Wed, 31 Mar 2021 18:49:55 -0400 From: Thomas Dickey <dickey@his.com> To: Juraj Lutter <otis@FreeBSD.org> Cc: Henric Jungheim <software@henric.org>, Thomas Dickey <dickey@his.com>, FreeBSD-current@freebsd.org Subject: Re: 13.0-RC3 bison causes tputs SIGSEGV Message-ID: <20210331224955.GA8387@prl-debianold-64.jexium-island.net> In-Reply-To: <7E5FFF68-3FDC-42C4-A1C9-4B2F483FABC5@FreeBSD.org> References: <YGImt%2BhzWnQTUjz/@mail.henric.info> <20210329233138.GA4334@prl-debianold-64.jexium-island.net> <33EE2402-4447-4168-AB5B-D98009CD03AA@FreeBSD.org> <20210331004803.GA1607@prl-debianold-64.jexium-island.net> <YGR%2B1yOzagxgvpqk@mail.henric.info> <7E5FFF68-3FDC-42C4-A1C9-4B2F483FABC5@FreeBSD.org>
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--OXfL5xGRrasGEqWY Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Mar 31, 2021 at 09:40:49PM +0200, Juraj Lutter wrote: >=20 > > On 31 Mar 2021, at 15:53, Henric Jungheim <software@henric.org> wrote: > >=20 > >>=20 > >> Knowing that would help me see whether the problem is faulty initializ= ation > >> from libtextstyle (i.e., the SCREEN pointer is null, making the path v= ia > >> the static structure), or some ifdef-combination in ncurses that I've > >> neglected (i.e., a flaw in the pointer juggling). >=20 > I=E2=80=99ve observed that the application in question calls: >=20 > /* Create the output styled stream. */ > pk_ostream =3D > (color_mode =3D=3D color_html > ? html_styled_ostream_create (file_ostream_create (stdout), > style_file_name) > : styled_ostream_create (STDOUT_FILENO, "(stdout)", > TTYCTL_AUTO, style_file_name)); >=20 > Does it make any difference? I don't know yet. I've been setting up a build for bison+libtextstyle so that I can study it firsthand (and use valgrind, etc., to look for problems). That chunk is just the initialization, while the problem appears later. --=20 Thomas E. Dickey <dickey@invisible-island.net> https://invisible-island.net ftp://ftp.invisible-island.net --OXfL5xGRrasGEqWY Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQTFIEjAwHSP7iJ9R6JwI1Pg9+SO2wUCYGT8kAAKCRBwI1Pg9+SO 27fuAJ0QgwRyapIKiF07ge2EBE+V+ClJuwCgot+pBgdZ66An/E0Q4wrWmlZ4yMQ= =cErN -----END PGP SIGNATURE----- --OXfL5xGRrasGEqWY--
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