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From "Lahiru Gunathilake (JIRA)" <j...@apache.org>
Subject [jira] Updated: (AXIS2C-856) axiom_element_get_children() code behavior does not match header description
Date Wed, 30 Jan 2008 10:38:35 GMT

     [ https://issues.apache.org/jira/browse/AXIS2C-856?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lahiru Gunathilake updated AXIS2C-856:
--------------------------------------

    Attachment: diff.txt

> axiom_element_get_children() code behavior does not match header description
> ----------------------------------------------------------------------------
>
>                 Key: AXIS2C-856
>                 URL: https://issues.apache.org/jira/browse/AXIS2C-856
>             Project: Axis2-C
>          Issue Type: Bug
>          Components: xml/om
>    Affects Versions: 1.1.0
>         Environment: Windows XP, Visual Studio 2005, guththila parser, libcurl
>            Reporter: Bill Mitchell
>            Priority: Minor
>         Attachments: diff.txt
>
>
> The comments in axiom_element.h describing the behavior of axiom_element_get_children
indicate that the returned interator is owned by the user and must be freed by the user. 
In fact, the code implements this function like axiom_element_get_children_with_qname, where
the iterator is owned by the element and is freed when the om is freed.
> Obviously if the user follows the instructions in the .h file and frees the iterator,
the memory may be reused before the om structure is freed, at which time things go rapidly
downhill.  
> Here are the current comments:
>     /**
>      *   returns a list of children iterator
>      *   iterators free function must be called by user
>      */
>     AXIS2_EXTERN axiom_children_iterator_t *AXIS2_CALL
>     axiom_element_get_children(
>         axiom_element_t * om_element,
>         const axutil_env_t * env,
>         axiom_node_t * element_node);
> I suggest this should read:
>     /**
>      *   returns a list of children iterator
>      *   returned iterator is freed when om element struct
>      *  is freed 
>      *   iterators reset function must be called by user
>      */
>     AXIS2_EXTERN axiom_children_iterator_t *AXIS2_CALL
>     axiom_element_get_children(
> ...

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