Re: Concern about changing zval's passed by reference
| From: | Marcus Boerger | Date: | Wed, 26 Nov 2003 23:10:28 +0000 |
| Subject: | Re: Concern about changing zval's passed by reference | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-5732@lists.php.net to get a copy of this message | ||
Hello Robert,
Wednesday, November 26, 2003, 11:32:48 PM, you wrote:
> Hello
> I am using the macros ZVAL_BOOL, ZVAL_LONG, ZVAL_DOUBLE and ZVAL_STRING to
> change the value of a zval passed by reference. I noticed that these
> macros do not free the original value if it's a string, array, object or
> resource prior to the change. This causes a possible memory leak. Is
> this a normal practice? And, if not, what is the accepted practice for
> changing zval's passed by reference?
You need to free the value prior to overwriting it by zval_dtor() or you
need to use the appropriate zval change macro.
--
Best regards,
Marcus mailto:helly@php.net