/* SPDX-License-Identifier: BSD-2-Clause */
/**
* @file
*
* @ingroup RTEMSScoreRBTree
*
* @brief This source file contains the implementation of
* _RBTree_Extract().
*/
/*
* Copyright (c) 2010 Gedare Bloom.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/rbtreeimpl.h>
RB_GENERATE_REMOVE_COLOR( RBTree_Control, RBTree_Node, Node, static )
RB_GENERATE_REMOVE( RBTree_Control, RBTree_Node, Node, static )
#if defined(RTEMS_DEBUG)
static const RBTree_Node *_RBTree_Find_root( const RBTree_Node *the_node )
{
while ( true ) {
const RBTree_Node *potential_root;
potential_root = the_node;
the_node = _RBTree_Parent( the_node );
if ( the_node == NULL ) {
return potential_root;
}
}
}
#endif
void _RBTree_Extract(
RBTree_Control *the_rbtree,
RBTree_Node *the_node
)
{
_Assert( _RBTree_Find_root( the_node ) == _RBTree_Root( the_rbtree ) );
RB_REMOVE( RBTree_Control, the_rbtree, the_node );
_RBTree_Initialize_node( the_node );
}