ID: 10671
User Update by: [EMAIL PROTECTED]
Old-Status: Feedback
Status: Open
Bug Type: COM related
Operating system: Windows 2000
PHP Version: 4.0.5
Description: Cannot retrieve secondary object properties
IT turns out this bug has been fixed in
ext/com/conversion.c 1.8
Thanks
Sasha
Previous Comments:
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[2001-05-07 12:47:55] [EMAIL PROTECTED]
Does this problem persist with PHP 4.0.6-dev? There have been a lot of changes to
ext/com recently, including improtant fixes after the PHP 4.0.5 release that will be
included in PHP 4.0.6.
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[2001-05-04 12:33:46] [EMAIL PROTECTED]
The following code causes PHP to die at line 3:
$mgr = new COM("Factory");
$child = $mgr->GetChild(1);
echo $child->Attribute;
($mgr's method GetChild returns a COM object, which
has property 'Attribute').
The bug is in php_variant_to_pval() function in
ext/com/conversion.c, line 501:
handle->value.lval = zend_list_insert(var_arg->pdispVal, php_COM_get_le_idispatch());
it saves raw interface pointer var_arg->pdispVal, whereas everywhere else it is
expected that the list contains i_dispatch pointer.
The line should be replaced with
i_dispatch *obj = (i_dispatch *)emalloc(sizeof(*obj));
php_COM_set(obj,var_arg->pdispVal,FALSE); // not sure whether the last parameter
should be TRUE or FALSE
handle->value.lval = zend_list_insert(obj, php_COM_get_le_idispatch());
Also, the code in php_COM_set is somewhat bizarre:
- the returned value (hr) will not be set if cleanup is FALSE
- pDisp is unnecessarily cleared if cleanup is FALSE (it's a parameter, and it's not
used afterwards).
Also, I am not sure that reference counting for COM objects is correct.
Also, please comment your code. It took me a day to find out this little bug.
Sasha
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Full Bug description available at: http://bugs.php.net/?id=10671
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