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#!/bin/sh
# ensure that uintmax_t is wide enough
if test "$VERBOSE" = yes; then
set -x
du --version
fi
. $srcdir/../envvar-check
pwd=`pwd`
t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
trap 'status=$?; cd $pwd; chmod -R u+rwx $t0; rm -rf $t0 && exit $status' 0
trap '(exit $?); exit $?' 1 2 13 15
framework_failure=0
mkdir -p $tmp || framework_failure=1
cd $tmp || framework_failure=1
if test $framework_failure = 1; then
echo "$0: failure in testing framework" 1>&2
(exit 1); exit 1
fi
dd bs=1 seek=8G of=big < /dev/null 2> /dev/null
if test $? != 0; then
echo "$0: cannot create a file large enough for this test" 1>&2
echo "$0: that may be because file offsets are only 32 bits" 1>&2
(exit 77); exit 77
fi
fail=0
du -ab big > out || fail=1
cat <<\EOF > exp
8589934592 big
EOF
cmp out exp || fail=1
test $fail = 1 && diff out exp 2> /dev/null
(exit $fail); exit $fail
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