1#!/bin/sh
2# check for file descriptor leak
3
4# Copyright (C) 2003-2023 Free Software Foundation, Inc.
5
6# This program is free software: you can redistribute it and/or modify
7# it under the terms of the GNU General Public License as published by
8# the Free Software Foundation, either version 3 of the License, or
9# (at your option) any later version.
10
11# This program is distributed in the hope that it will be useful,
12# but WITHOUT ANY WARRANTY; without even the implied warranty of
13# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14# GNU General Public License for more details.
15
16# You should have received a copy of the GNU General Public License
17# along with this program.  If not, see <https://www.gnu.org/licenses/>.
18
19. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
20print_ver_ du
21
22# Call this an expensive test.  It's not that expensive, but command line
23# limitations might induce failure on some losing systems.
24expensive_
25
26# Create 1296 (36^2) files.
27# Their names and separating spaces take up 3887 bytes.
28x='a b c d e f g h i j k l m n o p q r s t u v w x y z 0 1 2 3 4 5 6 7 8 9'
29f=
30for i in $x; do
31  for j in $x; do
32    f="$f $i$j"
33  done
34done
35
36# This may fail due to command line limitations.
37touch $f || framework_failure_
38
39
40# With coreutils-5.0, this would fail due to a file descriptor leak.
41du $f > out || fail=1
42
43Exit $fail
44