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#!/bin/bash
#
# Copyright (C) 2007 Karel Zak <kzak@redhat.com>
#
# This file is part of util-linux.
#
# This file 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 2 of the License, or
# (at your option) any later version.
#
# This file 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.
#
TS_TOPDIR="${0%/*}/../.."
TS_DESC="fsck endianness"
. "$TS_TOPDIR"/functions.sh
ts_init "$*"
ts_check_test_command "$TS_CMD_MKCRAMFS"
ts_check_test_command "$TS_CMD_FSCKCRAMFS"
ts_check_test_command "$TS_HELPER_MD5"
ts_skip_nonroot
IMAGE_LITTLE="$TS_SELF/cramfs-little.img" #Known good little endian image
IMAGE_BIG="$TS_SELF/cramfs-big.img" #Known good big endian image
IMAGE_CREATED="$TS_OUTDIR/${TS_TESTNAME}-cramfs.img" #Image created during the test and compared against the known images.
IMAGE_DATA="$TS_OUTDIR/${TS_TESTNAME}-data"
test_image() {
local FROM_ENDIANNESS="$1"; shift
local TO_ENDIANNESS="$1"; shift
local FROM_IMAGE="$1"; shift
rm -rf "$IMAGE_DATA"
ts_log "extract from $FROM_ENDIANNESS endian"
$TS_CMD_FSCKCRAMFS -v -b 4096 --extract=$IMAGE_DATA $FROM_IMAGE | head -n1 | cut -d" " -f4 >> $TS_OUTPUT 2>> $TS_ERRLOG
ts_log "create $TO_ENDIANNESS endian"
$TS_CMD_MKCRAMFS -N "$TO_ENDIANNESS" -b 4096 "$IMAGE_DATA" \
"$IMAGE_CREATED" >> $TS_OUTPUT 2>> $TS_ERRLOG
"$TS_HELPER_MD5" < "$IMAGE_CREATED" >> $TS_OUTPUT
rm "$IMAGE_CREATED"
}
test_image "little" "big" "$IMAGE_LITTLE"
test_image "big" "little" "$IMAGE_BIG"
ts_finalize
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