Re: FREE_ZVAL and/or zval_dtor()

As far as I see FREE_ZVAL is ZEND_FAST_FREE and the latter is not freeing memory just removes the zval from a list. So it is required to release the memory before that. Fix me if I'm wrong. Regards, Andrey ----- Original Message ----- From: "Klaus Reimer" <k@ailis.de> To: <php-dev@lists.php.net> Sent: Tuesday, March 12, 2002 2:42 PM Subject: [PHP-DEV] FREE_ZVAL and/or zval_dtor() > Hi, > > I'm not sure if I have understood how to free the memory allocatedof a zval > correctly. Because I don't want to create memory leaks, please tell me if I > am right or tell me how it is done correctly: > > If I create a zval with MAKE_STD_ZVAL, I just need to call FREE_ZVAL, because > there is no value associated with that zval up to now. But if I store a > string or an object or something like that in this zval I also need to use > zval_dtor() before I destroy the zval itself with FREE_ZVAL, right? Example: > > zval *foo; > MAKE_STD_ZVAL(foo); /* Allocate zval */ > ZVAL_STRING(foo,'"Some text",1); /* Store a string in zval */ > > /* Do something */ > > zval_dtor(foo); /* Free the string */ > FREE_ZVAL(foo); /* Free the zval */ > > > Is that correct? > > Another question: How do I free the return_value from a > call_user_function_ex() call? The Zend-API-Documentation says, I have to use > zval_dtor, but is this enough? This just frees the memory allocated by the > zval-value, or not? What about the zval itself? > > -- > Bye, K <http://www.ailis.de/~k/> > [A735 47EC D87B 1F15 C1E9 53D3 AA03 6173 A723 E391] > (Finger k@ailis.de to get public key) > > -- > PHP Development Mailing List <http://www.php.net/> > To unsubscribe, visit: http://www.php.net/unsub.php > >