[groff] 03/16: [tbl]: Regression-test Savannah #61417.

[G. Branden Robinson]

gbranden pushed a commit to branch master
in repository groff.

commit 00c89ac6c05bc2736454b1793352c0f8d4a6acdd
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
AuthorDate: Thu Nov 4 05:11:47 2021 +1100

    [tbl]: Regression-test Savannah #61417.
    
    * src/preproc/tbl/tests/do-not-segv-on-invalid-vertical-span-entry.sh:
      Do it.
    * src/preproc/tbl/tbl.am (tbl_TESTS): Run test.
    
    Test fails at this commit.
---
 ChangeLog                                          |  8 +++++
 src/preproc/tbl/tbl.am                             |  1 +
 .../do-not-segv-on-invalid-vertical-span-entry.sh  | 41 ++++++++++++++++++++++
 3 files changed, 50 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index f4053a8..cf4e515 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2021-11-04  G. Branden Robinson <g.branden.robinson@gmail.com>
+
+       [tbl]: Regression-test Savannah #61417.
+
+       * src/preproc/tbl/tests/\
+       do-not-segv-on-invalid-vertical-span-entry.sh: Do it.
+       * src/preproc/tbl/tbl.am (tbl_TESTS): Run test.
+
 2021-11-02  G. Branden Robinson <g.branden.robinson@gmail.com>
 
        [man]: Fix Savannah #61408.
diff --git a/src/preproc/tbl/tbl.am b/src/preproc/tbl/tbl.am
index 8ae8dce..efbdeec 100644
--- a/src/preproc/tbl/tbl.am
+++ b/src/preproc/tbl/tbl.am
@@ -26,6 +26,7 @@ EXTRA_DIST += src/preproc/tbl/tbl.1.man
 
 tbl_TESTS = \
   src/preproc/tbl/tests/cooperate-with-nm-request.sh \
+  src/preproc/tbl/tests/do-not-segv-on-invalid-vertical-span-entry.sh \
   src/preproc/tbl/tests/save-and-restore-hyphenation-parameters.sh \
   src/preproc/tbl/tests/save-and-restore-tab-stops.sh
 TESTS += $(tbl_TESTS)
diff --git 
a/src/preproc/tbl/tests/do-not-segv-on-invalid-vertical-span-entry.sh 
b/src/preproc/tbl/tests/do-not-segv-on-invalid-vertical-span-entry.sh
new file mode 100755
index 0000000..1d672ec
--- /dev/null
+++ b/src/preproc/tbl/tests/do-not-segv-on-invalid-vertical-span-entry.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+#
+# Copyright (C) 2021 Free Software Foundation, Inc.
+#
+# This file is part of groff.
+#
+# groff is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# groff is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+tbl="${abs_top_builddir:-.}/tbl"
+
+# Regression-test Savannah #61417.
+#
+# Don't segfault because we tried to span down from an invalid span that
+# tbl neglected to replace with an empty table entry.
+
+test -f core && exit 77 # skip
+
+input=$(cat <<EOF
+.TS
+l.
+\^
+\^
+.TE
+EOF
+)
+output=$(printf "%s" "$input" | "$tbl")
+! test -f core
+
+# vim:set ai noet sw=4 ts=4 tw=72: