void xml_file_free(xml_data_node *node)
{
/* ensure this is a root node */
assert_always(node->name == NULL, "xml_file_free called with a non-root node");
free_node_recursive(node);
}
void xml_file_free(xml_data_node *node)
{
/* ensure this is a root node */
if (node->name != nullptr)
return;
free_node_recursive(node);
}
void xml_delete_node(xml_data_node *node)
{
xml_data_node **pnode;
/* first unhook us from the list of children of our parent */
for (pnode = &node->parent->child; *pnode; pnode = &(*pnode)->next)
if (*pnode == node)
{
*pnode = node->next;
break;
}
/* now free ourselves and our children */
free_node_recursive(node);
}
static void free_node_recursive(xml_data_node *node)
{
xml_attribute_node *anode, *nanode;
xml_data_node *child, *nchild;
/* free name/value */
if (node->name != nullptr)
free((void *)node->name);
if (node->value != nullptr)
free((void *)node->value);
/* free attributes */
for (anode = node->attribute; anode; anode = nanode)
{
/* free name/value */
if (anode->name != nullptr)
free((void *)anode->name);
if (anode->value != nullptr)
free((void *)anode->value);
/* note the next node and free this node */
nanode = anode->next;
free(anode);
}
/* free the children */
for (child = node->child; child; child = nchild)
{
/* note the next node and free this node */
nchild = child->next;
free_node_recursive(child);
}
/* finally free ourself */
free(node);
}
