1#!/bin/sh
2# Ensure that tac processes all command line arguments, even
3# when it encounters an error with say the first one.
4# With coreutils-5.2.1 and earlier, this test would fail.
5
6# Copyright (C) 2004-2023 Free Software Foundation, Inc.
7
8# This program is free software: you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation, either version 3 of the License, or
11# (at your option) any later version.
12
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16# GNU General Public License for more details.
17
18# You should have received a copy of the GNU General Public License
19# along with this program.  If not, see <https://www.gnu.org/licenses/>.
20
21. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
22print_ver_ tac
23
24# See if the envvar is defined.
25if test x = "x$FULL_PARTITION_TMPDIR"; then
26  skip_ "FULL_PARTITION_TMPDIR not defined"
27fi
28
29if ! test -d "$FULL_PARTITION_TMPDIR"; then
30  echo "$0: $FULL_PARTITION_TMPDIR:" \
31    "\$FULL_PARTITION_TMPDIR does not specify a directory" 1>&2
32  Exit 1
33fi
34
35fp_tmp="$FULL_PARTITION_TMPDIR/tac-cont-$$"
36cleanup_()
37{
38  # Terminate any background process
39  # and remove tmp dir
40  rm -f "$fp_tmp"
41  kill $pid 2>/dev/null && wait $pid
42}
43
44# Make sure we can create an empty file there (i.e., no shortage of inodes).
45if ! touch $fp_tmp; then
46  echo "$0: $fp_tmp: cannot create empty file" 1>&2
47  Exit 1
48fi
49
50# Make sure that we fail when trying to create a file large enough
51# to consume a non-inode block.
52if seq 1000 > $fp_tmp 2>/dev/null; then
53  echo "$0: $FULL_PARTITION_TMPDIR: not a full partition" 1>&2
54  Exit 1
55fi
56
57seq 5 > in
58
59
60# Give tac a fifo command line argument.
61# This makes it try to create a temporary file in $TMPDIR.
62mkfifo_or_skip_ fifo
63seq 1000 > fifo & pid=$!
64TMPDIR=$FULL_PARTITION_TMPDIR tac fifo in >out 2>err && fail=1
65
66cat <<\EOF > exp || framework_failure_
675
684
693
702
711
72EOF
73
74compare exp out || fail=1
75
76Exit $fail
77