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04d49874a2
* src/dd.c: Add 2009 to list of copyright years. * tests/dd/seek-skip-past-file: Likewise. * tests/dd/seek-skip-past-dev: Likewise. * m4/xattr.m4: Likewise. * src/copy.h: Likewise.
64 lines
2.0 KiB
Bash
Executable File
64 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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# test diagnostics are printed immediately when seeking beyond device.
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# Copyright (C) 2008, 2009 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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if test "$VERBOSE" = yes; then
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set -x
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dd --version
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fi
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. $srcdir/test-lib.sh
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# need write access to device
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# (even though we don't actually write anything)
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require_root_
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get_device_size() {
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BLOCKDEV=blockdev
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$BLOCKDEV -V >/dev/null 2>&1 || BLOCKDEV=/sbin/blockdev
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$BLOCKDEV --getsize64 "$1"
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}
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fail=0
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# Get path to device the current dir is on.
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# Note df can only get fs size, not device size.
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device=$(df -P --local . | tail -n1 | cut -d' ' -f1) ||
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skip_test_ 'this test runs only on local file systems'
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dev_size=$(get_device_size "$device") ||
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skip_test_ "failed to determine size of $device"
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# Don't use shell arithimetic as older version of dash use longs
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DEV_OFLOW=$(expr $dev_size + 1)
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timeout 1 dd bs=1 skip=$DEV_OFLOW count=0 status=noxfer < "$device" 2> err
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test "$?" = "1" || fail=1
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echo "dd: \`standard input': cannot skip: Invalid argument
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0+0 records in
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0+0 records out" > err_ok || framework_failure
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compare err_ok err || fail=1
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timeout 1 dd bs=1 seek=$DEV_OFLOW count=0 status=noxfer > "$device" 2> err
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test "$?" = "1" || fail=1
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echo "dd: \`standard output': cannot seek: Invalid argument
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0+0 records in
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0+0 records out" > err_ok || framework_failure
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compare err_ok err || fail=1
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Exit $fail
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