tar/tests/delete06.at

# Process this file with autom4te to create testsuite. -*- Autotest -*-

# Test suite for GNU tar.
# Copyright 2023 Free Software Foundation, Inc.

# This file is part of GNU tar.

# GNU tar 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.

# GNU tar 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/>.

# When deleting last partially written member from a truncated archive
# tar 1.34 would miss EOF and spin in a dead loop in delete.c:flush_file.
# References: https://savannah.gnu.org/bugs/?63823

AT_SETUP([EOF detection])
AT_KEYWORDS([delete delete06])

AT_TAR_CHECK([
mkdir b
touch a b/1 c
tar -cf archive.tar a b/1 c
case $TEST_TAR_FORMAT in
gnu) size=1500;;
pax) size=3072;;
esac
dd if=archive.tar of=trunc.tar bs=$size count=1 2>/dev/null
tar --delete 'b/' -f trunc.tar
],
[2],
[],
[tar: lseek: trunc.tar: Value too large for defined data type
tar: Exiting with failure status due to previous errors
],[],[],[gnu, pax])

AT_CLEANUP