#48473 [Com]: $errstr in stream_socket_client() periodically not set when error occurs

From: Date: Sat, 05 Dec 2009 15:16:20 +0000
Subject: #48473 [Com]: $errstr in stream_socket_client() periodically not set when error occurs
References: 1  Groups: php.bugs 
Request: Send a blank email to php-bugs+get-145438@lists.php.net to get a copy of this message 
 ID:               48473
 Comment by:       sfsys at mail dot ru
 Reported By:      nick dot telford at gmail dot com
 Status:           No Feedback
 Bug Type:         Streams related
 Operating System: CentOS 5.3
 PHP Version:      5.2.9
 New Comment:

have the same bug in php 5.2.4


Previous Comments:
------------------------------------------------------------------------

[2009-09-26 01:00:03] php-bugs at lists dot php dot net

No feedback was provided for this bug for over a week, so it is
being suspended automatically. If you are able to provide the
information that was originally requested, please do so and change
the status of the bug back to "Open".

------------------------------------------------------------------------

[2009-09-18 19:01:44] jani@php.net

Please try using this snapshot:

  http://snaps.php.net/php5.2-latest.tar.gz
 
For Windows:

  http://windows.php.net/snapshots/



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[2009-06-04 16:46:58] nick dot telford at gmail dot com

Description:
------------
I've noticed that some errors in stream_socket_client()s connection
don't populate errstr with an error. As far as I can tell, errno is
always populated.

The most consistent case I've found for this if when the error code is
16 - $errstr SHOULD be "Device or resource busy" (according to some
googling), however, it is empty.

I've also come across many errono's that are > 127 and have no errstr.
e.g. 5736689

Reproduce code:
---------------
Unless someone knows how to reproduce "Device or resource busy", then I
can't create any code to reproduce errno 16 having no errstr.

I can reproduce the oddly high errno's (with no errstr) as the example
above appears to be for invalid URLs:

<?php
$stream = stream_socket_client('tcp://tinyu:80', $errno, $errstr);
echo "$errno\n";
echo "'$errstr'\n";

Expected result:
----------------
Not sure what the error number *should* be, possibly 22 (EINVAL),
Invalid argument. I'll go with that:

22
'Invalid argument'

Actual result:
--------------
5736689
''


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