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#!/bin/sh
: ${PERL=perl}
$PERL -e 1 > /dev/null 2>&1 || {
echo 1>&2 "$0: configure didn't find a usable version of Perl," \
"so can't run this test"
exit 77
}
framework_failure=0
pwd=`${BUILD_SRC_DIR?}/pwd` || framework_failure=1
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
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
ARGV_0=$0
export ARGV_0
CWD=$pwd/$tmp
export CWD
$PERL -w -- - <<\EOF
# Show that pwd works even when the length of the resulting
# directory name is longer than PATH_MAX.
use strict;
use Cwd;
(my $ME = $ENV{ARGV_0}) =~ s|.*/||;
my $cwd = $ENV{CWD};
my $z = 'z' x 31;
my $n = 256;
my $expected = $cwd . ("/$z" x $n);
my $i = 0;
do
{
mkdir $z, 0700
or die "$ME: at depth $i: $!\n";
chdir $z;
}
until (++$i == $n);
my $build_src_dir = $ENV{BUILD_SRC_DIR};
$build_src_dir
or die "$ME: envvar BUILD_SRC_DIR not defined\n";
my $pwd_binary = "$build_src_dir/pwd";
-x $pwd_binary
or die "$ME: $pwd_binary is not an executable file\n";
chomp (my $actual = `$pwd_binary`);
$expected eq $actual
or die "$ME: $expected\n$actual\n";
EOF
|
