#47949 [NEW]: Return value of a registered completion function is not tested

From: rannou dot sebastien at gmail dot com Operating system: GNU/Linux PHP version: 5.2.9 PHP Bug Type: Readline related Bug description: Return value of a registered completion function is not tested Description: ------------ If the registered function from readline_completion_function returns an empty array, a segmentation fault happens when trying to tab. Reproduce code: --------------- <?php // script.php function foo() { return array(); } readline_completion_function('foo'); while (42) echo readline('> '); ?> Expected result: ---------------- Doing nothing or printing a new prompt. Actual result: -------------- $> php script.php > Segmentation fault $> -- Edit bug report at http://bugs.php.net/?id=47949&edit=1 -- Try a CVS snapshot (PHP 5.2): http://bugs.php.net/fix.php?id=47949&r=trysnapshot52 Try a CVS snapshot (PHP 5.3): http://bugs.php.net/fix.php?id=47949&r=trysnapshot53 Try a CVS snapshot (PHP 6.0): http://bugs.php.net/fix.php?id=47949&r=trysnapshot60 Fixed in CVS: http://bugs.php.net/fix.php?id=47949&r=fixedcvs Fixed in CVS and need be documented: http://bugs.php.net/fix.php?id=47949&r=needdocs Fixed in release: http://bugs.php.net/fix.php?id=47949&r=alreadyfixed Need backtrace: http://bugs.php.net/fix.php?id=47949&r=needtrace Need Reproduce Script: http://bugs.php.net/fix.php?id=47949&r=needscript Try newer version: http://bugs.php.net/fix.php?id=47949&r=oldversion Not developer issue: http://bugs.php.net/fix.php?id=47949&r=support Expected behavior: http://bugs.php.net/fix.php?id=47949&r=notwrong Not enough info: http://bugs.php.net/fix.php?id=47949&r=notenoughinfo Submitted twice: http://bugs.php.net/fix.php?id=47949&r=submittedtwice register_globals: http://bugs.php.net/fix.php?id=47949&r=globals PHP 4 support discontinued: http://bugs.php.net/fix.php?id=47949&r=php4 Daylight Savings: http://bugs.php.net/fix.php?id=47949&r=dst IIS Stability: http://bugs.php.net/fix.php?id=47949&r=isapi Install GNU Sed: http://bugs.php.net/fix.php?id=47949&r=gnused Floating point limitations: http://bugs.php.net/fix.php?id=47949&r=float No Zend Extensions: http://bugs.php.net/fix.php?id=47949&r=nozend MySQL Configuration Error: http://bugs.php.net/fix.php?id=47949&r=mysqlcfg