From d7cfcbef7eb2cd12ac83e5c1c123de2015adbef9 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Sat, 10 May 2014 12:36:16 -0700 Subject: shred: don't infloop upon negative size * src/shred.c (main): With the preceding change, shred -s-2 FILE would write 64KB blocks forever -- or until disk full. This change makes shred reject a negative size. * tests/misc/shred-negative.sh: New file. * tests/local.mk (all_tests): Add it. --- tests/misc/shred-negative.sh | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100755 tests/misc/shred-negative.sh (limited to 'tests/misc/shred-negative.sh') diff --git a/tests/misc/shred-negative.sh b/tests/misc/shred-negative.sh new file mode 100755 index 000000000..86cbf3e02 --- /dev/null +++ b/tests/misc/shred-negative.sh @@ -0,0 +1,28 @@ +#!/bin/sh +# Exercise shred -s-3 FILE + +# Copyright (C) 2014 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 . + +. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src +print_ver_ shred + +echo 'shred: -2: invalid file size' > exp || framework_failure_ +echo 1234 > f || framework_failure_ + +shred -s-2 f 2>err && fail=1 +compare exp err || fail=1 + +Exit $fail -- cgit v1.2.3-70-g09d2