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#!/bin/sh
# Exercise chdir-long's sample main program.
# Copyright (C) 2005 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.
# FIXME: add traps and choose top level names so that
# temporary directories are easier to remove.
# FIXME: don't clobber a.out
gcc -DTEST_CHDIR=1 -DHAVE_CONFIG_H -I.. -g -O -W -Wall \
chdir-long.c libcoreutils.a
vg='valgrind --track-fds=yes --leak-check=yes --quiet --num-callers=9'
vg="$vg --leak-resolution=high"
# Create a directory with name of the specified length.
# Caveat: assumes the requested length is longer than that of $TMPDIR or /tmp.
function mkdir_len
{
local n
case $# in 1) n=$1;; *) echo "Usage: $FUNCNAME N" 1>&2; return 1;; esac
local root=${TMPDIR=/tmp}
test -n "$ROOT" && root=$ROOT
( cd $root &&
perl -e 'my $len='$n'-length "'$root'";$i=100;$d="z"x$i;
while ($i+2 < $len) {
$len -= $i + 1;
mkdir $d,0700 or die "$!\n";
chdir $d} $d="z"x($len-1);
mkdir $d or die "mkdir_len: $d: $!\n"' )
}
size_list=
pow_2=128
for i in 7 8 9 10 11 12 13 14 15 16 17; do
n=$pow_2
nm1=`expr $pow_2 - 1`
np1=`expr $pow_2 + 1`
size_list="$size_list $nm1 $n $np1"
pow_2=`expr $pow_2 \* 2`
done
for t in . /t /tmp /var/tmp; do
test -d $t || continue
printf "$t\n"
export TMPDIR=$t
for i in `echo $size_list 99999 11`; do
printf "$t\t$i\n"
mkdir_len $i
find $TMPDIR/zz*|tail -n1 > in
tt=`echo $t|tr / -`
# strace -o /t/k-$tt-$i ./a.out < in > out
./a.out < in > out
# eval "$vg ./a.out no-pwd < in"
rm -rf $TMPDIR/zz*
if test "$TMPDIR" = . ; then
(pwd|tr -d '\n'; sed 's/^\.//' in) > k; rm -f in; mv k in
fi
diff -u in out > diff \
|| { echo FAIL $t:$i; cut -b 1-35 diff; } \
&& rm -f diff in out
done
done
rm -f a.out
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