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#!/bin/sh
# Ensure partial writes are properly diagnosed
# Copyright (C) 2026 Free Software Foundation, Inc.
# This program 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.
# This program 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 <https://www.gnu.org/licenses/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ dd
(
ulimit -S -f 1024 || skip_ 'unable to set file size ulimit'
trap '' XFSZ || skip_ 'unable to ignore SIGXFSZ'
dd if=/dev/zero of=f bs=768K count=2 2>err
)
ret=$?
if test $ret = 1; then
grep -F '+1 records out' err || { cat err; fail=1; }
elif test $ret = 0; then
skip_ 'The system did not limit the file fize'
else
framework_failure_
fi
Exit $fail
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