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

From: nick dot telford at gmail dot com Operating system: CentOS 5.3 PHP version: 5.2.9 PHP Bug Type: Streams related Bug description: $errstr in stream_socket_client() periodically not set when error occurs 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 '' -- Edit bug report at http://bugs.php.net/?id=48473&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=48473&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=48473&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=48473&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=48473&r=fixedcvs Fixed in CVS and need be documented: http://bugs.php.net/fix.php?id=48473&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=48473&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=48473&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=48473&r=needscript Try newer version: http://bugs.php.net/fix.php?id=48473&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=48473&r=support Expected behavior: http://bugs.php.net/fix.php?id=48473&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=48473&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=48473&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=48473&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=48473&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=48473&r=dst IIS Stability: http://bugs.php.net/fix.php?id=48473&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=48473&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=48473&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=48473&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=48473&r=mysqlcfg