Description:
------------
db3 open doesn't work with a path including directories.

windows XP
Apache 2
PHP 4.3.2 zip package [6,107Kb] - 29 May 2003 (from www.php.net)

Reproduce code:
---------------
<?php

header('Content-type: text/plain');

mkdir("foobar",0755);

print "testflat :";
if ($id = dba_open ("testflat", "n", "flatfile")) { print "ok\n"; dba_close ($id); } else print "not ok\n";

print "testdb3 :";
if ($id = dba_open ("testdb3", "n", "db3")) { print "ok\n"; dba_close ($id); } else print "not ok\n";

print "foobar/testflat :";
if ($id = dba_open ("foobar/testflat", "n", "flatfile")) { print "ok\n"; dba_close ($id); } else print "not ok\n";

print "foobar/testdb3";
if ($id = dba_open ("foobar/testdb3", "n", "db3")) { print "ok\n"; dba_close ($id); } else print "not ok\n";

chdir("foobar");
print "change to dir foobar\n";

print "foobar/testflat-cd :";
if ($id = dba_open ("testflat-cd", "n", "flatfile")) { print "ok\n"; dba_close ($id); } else print "not ok\n";

print "foobar/testdb3-cd :";
if ($id = dba_open ("testdb3-cd", "n", "db3")) { print "ok\n"; dba_close ($id); } else print "not ok\n";

?>

Expected result:
----------------
I expect foobar/testdb3 to be opened correctly.

same result when / is replaced with \

Actual result:
--------------
testflat :ok
testdb3 :ok
foobar/testflat :ok
foobar/testdb3<br />
<b>Warning</b>:  dba_open(foobar/testdb3,n): Driver initialization failed for handler: db3: No such file or directory in <b>C:\Program Files\Apache Group\Apache2\htdocs\testdba.php</b> on line <b>17</b><br />
not ok
change to dir foobar
foobar/testflat-cd :ok
foobar/testdb3-cd :ok