1#!/bin/sh
2# ensure that csplit uses a bounded amount of memory
3
4# Copyright (C) 2010-2023 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. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
20print_ver_ csplit
21
22# Determine basic amount of memory needed.
23{ echo y; echo n; } > f || framework_failure_
24vm=$(get_min_ulimit_v_ csplit -z f %n%1) \
25  || skip_ "this shell lacks ulimit support"
26
27(
28 ulimit -v $(($vm + 4000)) \
29   && { yes | head -n2500000; echo n; } | csplit -z - %n%1
30) || fail=1
31
32Exit $fail
33