/**
* g_tree_lookup:
* @tree: a #GTree.
* @key: the key to look up.
*
* Gets the value corresponding to the given key. Since a #GTree is
* automatically balanced as key/value pairs are added, key lookup is very
* fast.
*
* Return value: the value corresponding to the key, or %NULL if the key was
* not found.
**/
EXPORT_C gpointer
g_tree_lookup (GTree *tree,
gconstpointer key)
{
GTreeNode *node;
g_return_val_if_fail (tree != NULL, NULL);
node = g_tree_find_node (tree, key);
return node ? node->value : NULL;
}
/**
* g_tree_lookup_extended:
* @tree: a #GTree
* @lookup_key: the key to look up
* @orig_key: (optional) (nullable): returns the original key
* @value: (optional) (nullable): returns the value associated with the key
*
* Looks up a key in the #GTree, returning the original key and the
* associated value. This is useful if you need to free the memory
* allocated for the original key, for example before calling
* g_tree_remove().
*
* Returns: %TRUE if the key was found in the #GTree
*/
gboolean
g_tree_lookup_extended (GTree *tree,
gconstpointer lookup_key,
gpointer *orig_key,
gpointer *value)
{
GTreeNode *node;
g_return_val_if_fail (tree != NULL, FALSE);
node = g_tree_find_node (tree, lookup_key);
if (node)
{
if (orig_key)
*orig_key = node->key;
if (value)
*value = node->value;
return TRUE;
}
else
return FALSE;
}
