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Added missing safety checks (Problem identified by Coverity scan)

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This commit is contained in:
Ilia Alshanetsky 2006-10-07 19:59:19 +00:00
parent 12f7021e12
commit 98b16064b4
1 changed files with 10 additions and 3 deletions
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13
ext/dom/dom_iterators.c
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@ -170,6 +170,8 @@ static int php_dom_iterator_current_key(zend_object_iterator *iter, char **str_k
intern = (dom_object *)zend_object_store_get_object(curobj TSRMLS_CC);
if (intern != NULL && intern->ptr != NULL) {
curnode = (xmlNodePtr)((php_libxml_node_ptr *)intern->ptr)->node;
} else {
return HASH_KEY_NON_EXISTANT;
}
namelen = xmlStrlen(curnode->name);
@ -220,8 +222,10 @@ static void php_dom_iterator_move_forward(zend_object_iterator *iter TSRMLS_DC)
if (basenode && (basenode->type == XML_DOCUMENT_NODE ||
basenode->type == XML_HTML_DOCUMENT_NODE)) {
basenode = xmlDocGetRootElement((xmlDoc *) basenode);
} else {
} else if (basenode) {
basenode = basenode->children;
} else {
goto err;
}
curnode = dom_get_elements_by_tag_name_ns_raw(basenode, objmap->ns, objmap->local, &previndex, iter->index);
}
@ -234,7 +238,7 @@ static void php_dom_iterator_move_forward(zend_object_iterator *iter TSRMLS_DC)
}
}
}
err:
zval_ptr_dtor((zval**)&curobj);
if (curnode) {
MAKE_STD_ZVAL(curattr);
@ -287,6 +291,9 @@ zend_object_iterator *php_dom_get_iterator(zend_class_entry *ce, zval *object, i
}
} else {
nodep = (xmlNode *)dom_object_get_node(objmap->baseobj);
if (!nodep) {
goto err;
}
if (objmap->nodetype == XML_ATTRIBUTE_NODE || objmap->nodetype == XML_ELEMENT_NODE) {
if (objmap->nodetype == XML_ATTRIBUTE_NODE) {
curnode = (xmlNodePtr) nodep->properties;
@ -310,7 +317,7 @@ zend_object_iterator *php_dom_get_iterator(zend_class_entry *ce, zval *object, i
}
}
}
err:
if (curnode) {
MAKE_STD_ZVAL(curattr);
curattr = php_dom_create_object(curnode, &ret, NULL, curattr, objmap->baseobj TSRMLS_CC);