xref: /aosp_15_r20/external/zstd/tests/gzip/trailing-nul.sh (revision 01826a4963a0d8a59bc3812d29bdf0fb76416722)
1#!/bin/sh
2# gzip accepts trailing NUL bytes; don't fail if there is exactly one.
3# Before gzip-1.4, this would fail.
4
5# Copyright (C) 2009-2016 Free Software Foundation, Inc.
6
7# This program is free software: you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation, either version 3 of the License, or
10# (at your option) any later version.
11
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16
17# You should have received a copy of the GNU General Public License
18# along with this program.  If not, see <https://www.gnu.org/licenses/>.
19# limit so don't run it by default.
20
21. "${srcdir=.}/init.sh"; path_prepend_ .
22
23(echo 0 | gzip; printf '\0') > 0.gz || framework_failure_
24(echo 00 | gzip; printf '\0\0') > 00.gz || framework_failure_
25(echo 1 | gzip; printf '\1') > 1.gz || framework_failure_
26
27fail=0
28
29for i in 0 00 1; do
30  gzip -d $i.gz; ret=$?
31  test $ret -eq $i || fail=1
32  test $ret = 1 && continue
33  echo $i > exp || fail=1
34  compare exp $i || fail=1
35done
36
37Exit $fail
38