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/**
* @file
*
* @ingroup RTEMSScorertems_rbtree
*
* @brief Find the control structure of the tree containing the given node
*/
/*
* Copyright (c) 2010 Gedare Bloom.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/rbtree.h>
rtems_rbtree_node *rtems_rbtree_find(
const rtems_rbtree_control *the_rbtree,
const rtems_rbtree_node *the_node,
rtems_rbtree_compare compare,
bool is_unique
)
{
rtems_rbtree_node *iter_node = rtems_rbtree_root( the_rbtree );
rtems_rbtree_node *found = NULL;
while ( iter_node != NULL ) {
rtems_rbtree_compare_result compare_result =
( *compare )( the_node, iter_node );
if ( rtems_rbtree_is_equal( compare_result ) ) {
found = iter_node;
if ( is_unique )
break;
}
if ( rtems_rbtree_is_greater( compare_result ) ) {
iter_node = rtems_rbtree_right( iter_node );
} else {
iter_node = rtems_rbtree_left( iter_node );
}
}
return found;
}
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