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#!/bin/sh
# Test NUL bytes in patterns and data.
# Copyright 2014-2021 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/>.
. "${srcdir=.}/init.sh"; path_prepend_ ../src
# Add "." to PATH for the use of get-mb-cur-max.
path_prepend_ .
locales=C
for locale in en_US.iso885915 en_US.UTF-8; do
get-mb-cur-max en_US.UTF-8 >/dev/null 2>&1 && locales="$locales $locale"
done
fail=0
for left in '' a '#' '\0'; do
for right in '' b '#' '\0'; do
data="$left\\0$right"
printf "$data\\n" >in || framework_failure_
for hat in '' '^'; do
for dollar in '' '$'; do
for force_regex in '' '\\(\\)\\1'; do
pat="$hat$force_regex$data$dollar"
printf "$pat\\n" >pat || framework_failure_
for locale in $locales; do
LC_ALL=$locale grep -f pat in
status=$?
test $status -eq 0 || test $status -eq 1 ||
fail_ "'$pat' caused an error"
LC_ALL=$locale grep -a -f pat in | cmp -s - in ||
fail_ "-a '$pat' does not match '$data'"
done
done
done
done
done
done
(echo xxx && yes yyy | sed 100000q && printf 'z\n\0') >in || framework_failure_
echo xxx >exp || framework_failure_
grep xxx in >out || fail=1
compare exp out || fail=1
printf 'xxx\n' > exp || framework_failure_
grep -E 'xxx|z' in >out || fail=1
compare exp out || fail=1
printf '%s\0' 'abcadc' >in || framework_failure_
printf '%s\0' 'abc' 'adc' >exp || framework_failure_
grep -oz 'a[^c]*c' in >out || fail=1
compare exp out || fail=1
Exit $fail
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