xref: /freebsd/tools/test/stress2/misc/compare.sh (revision 4d846d260e2b9a3d4d0a701462568268cbfe7a5b)
18a272653SPeter Holm#!/bin/sh
28a272653SPeter Holm
38a272653SPeter Holm#
4*4d846d26SWarner Losh# SPDX-License-Identifier: BSD-2-Clause
58a272653SPeter Holm#
68a272653SPeter Holm# Copyright (c) 2018 Dell EMC Isilon
78a272653SPeter Holm#
88a272653SPeter Holm# Redistribution and use in source and binary forms, with or without
98a272653SPeter Holm# modification, are permitted provided that the following conditions
108a272653SPeter Holm# are met:
118a272653SPeter Holm# 1. Redistributions of source code must retain the above copyright
128a272653SPeter Holm#    notice, this list of conditions and the following disclaimer.
138a272653SPeter Holm# 2. Redistributions in binary form must reproduce the above copyright
148a272653SPeter Holm#    notice, this list of conditions and the following disclaimer in the
158a272653SPeter Holm#    documentation and/or other materials provided with the distribution.
168a272653SPeter Holm#
178a272653SPeter Holm# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
188a272653SPeter Holm# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
198a272653SPeter Holm# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
208a272653SPeter Holm# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
218a272653SPeter Holm# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
228a272653SPeter Holm# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
238a272653SPeter Holm# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
248a272653SPeter Holm# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
258a272653SPeter Holm# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
268a272653SPeter Holm# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
278a272653SPeter Holm# SUCH DAMAGE.
288a272653SPeter Holm#
298a272653SPeter Holm
308a272653SPeter Holm# Compare two disk files.
318a272653SPeter Holm
328a272653SPeter Holmdiskimage=/var/tmp/diskimage
338a272653SPeter Holm
348a272653SPeter Holmd1=$diskimage
358a272653SPeter Holmd2=${diskimage}2
368a272653SPeter Holmhave=`df -k $(dirname $d1) | tail -1 | awk '{print int($4 / 1024)}'`
378a272653SPeter Holm[ $have -lt 1024 ] &&
388a272653SPeter Holm    { echo "Not enough disk space on `dirname $d1`"; exit 1; }
398a272653SPeter Holm
408a272653SPeter Holmdd if=/dev/random of=$d1 bs=1m count=512 status=none || exit 1
418a272653SPeter Holmcp $d1 $d2
428a272653SPeter Holmcmp $d1 $d2 && s=0 || { echo FAIL; s=1; }
438a272653SPeter Holmrm -f $d1 $d2
448a272653SPeter Holmexit $s
45