rbtree.h

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/*
 *  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.
 */

#ifndef _RTEMS_RBTREE_H
#define _RTEMS_RBTREE_H

#include <rtems/score/rbtree.h>

#ifdef __cplusplus
extern "C" {
#endif

typedef RBTree_Node rtems_rbtree_node;

typedef RBTree_Control rtems_rbtree_control;

typedef long rtems_rbtree_compare_result;

typedef rtems_rbtree_compare_result ( *rtems_rbtree_compare )(
  const RBTree_Node *first,
  const RBTree_Node *second
);

#define RTEMS_RBTREE_INITIALIZER_EMPTY(name) \
  RBTREE_INITIALIZER_EMPTY(name)

#define RTEMS_RBTREE_DEFINE_EMPTY(name) \
  RBTREE_DEFINE_EMPTY(name)

void rtems_rbtree_initialize(
  rtems_rbtree_control *the_rbtree,
  rtems_rbtree_compare  compare,
  void                 *starting_address,
  size_t                number_nodes,
  size_t                node_size,
  bool                  is_unique
);

RTEMS_INLINE_ROUTINE void rtems_rbtree_initialize_empty(
  rtems_rbtree_control *the_rbtree
)
{
  _RBTree_Initialize_empty( the_rbtree );
}

RTEMS_INLINE_ROUTINE void rtems_rbtree_set_off_tree(
  rtems_rbtree_node *node
)
{
  _RBTree_Set_off_tree( node );
}

RTEMS_INLINE_ROUTINE bool rtems_rbtree_is_node_off_tree(
  const rtems_rbtree_node *node
)
{
  return _RBTree_Is_node_off_tree( node );
}

RTEMS_INLINE_ROUTINE rtems_rbtree_node *rtems_rbtree_root(
  const rtems_rbtree_control *the_rbtree
)
{
  return _RBTree_Root( the_rbtree );
}

RTEMS_INLINE_ROUTINE rtems_rbtree_node *rtems_rbtree_min(
  const rtems_rbtree_control *the_rbtree
)
{
  return _RBTree_Minimum( the_rbtree );
}

RTEMS_INLINE_ROUTINE rtems_rbtree_node *rtems_rbtree_max(
  const rtems_rbtree_control *the_rbtree
)
{
  return _RBTree_Maximum( the_rbtree );
}

RTEMS_INLINE_ROUTINE rtems_rbtree_node *rtems_rbtree_left(
  const rtems_rbtree_node *the_node
)
{
  return _RBTree_Left( the_node );
}

RTEMS_INLINE_ROUTINE rtems_rbtree_node *rtems_rbtree_right(
  const rtems_rbtree_node *the_node
)
{
  return _RBTree_Right( the_node );
}

RTEMS_INLINE_ROUTINE rtems_rbtree_node *rtems_rbtree_parent(
  const rtems_rbtree_node *the_node
)
{
  return _RBTree_Parent( the_node );
}

RTEMS_INLINE_ROUTINE bool rtems_rbtree_is_empty(
  const rtems_rbtree_control *the_rbtree
)
{
  return _RBTree_Is_empty( the_rbtree );
}

RTEMS_INLINE_ROUTINE bool rtems_rbtree_is_min(
  const rtems_rbtree_control *the_rbtree,
  const rtems_rbtree_node *the_node
)
{
  return rtems_rbtree_min( the_rbtree ) == the_node;
}

RTEMS_INLINE_ROUTINE bool rtems_rbtree_is_max(
  const rtems_rbtree_control *the_rbtree,
  const rtems_rbtree_node *the_node
)
{
  return rtems_rbtree_max( the_rbtree ) == the_node;
}

RTEMS_INLINE_ROUTINE bool rtems_rbtree_is_root(
  const rtems_rbtree_node *the_node
)
{
  return _RBTree_Is_root( the_node );
}

RTEMS_INLINE_ROUTINE bool rtems_rbtree_is_equal(
  rtems_rbtree_compare_result compare_result
)
{
  return compare_result == 0;
}

RTEMS_INLINE_ROUTINE bool rtems_rbtree_is_greater(
  rtems_rbtree_compare_result compare_result
)
{
  return compare_result > 0;
}

RTEMS_INLINE_ROUTINE bool rtems_rbtree_is_lesser(
  rtems_rbtree_compare_result compare_result
)
{
  return compare_result < 0;
}

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_INLINE_ROUTINE rtems_rbtree_node* rtems_rbtree_predecessor(
  const rtems_rbtree_node *node
)
{
  return _RBTree_Predecessor( node );
}

RTEMS_INLINE_ROUTINE rtems_rbtree_node* rtems_rbtree_successor(
  const rtems_rbtree_node *node
)
{
  return _RBTree_Successor( node );
}

RTEMS_INLINE_ROUTINE void rtems_rbtree_extract(
  rtems_rbtree_control *the_rbtree,
  rtems_rbtree_node *the_node
)
{
  _RBTree_Extract( the_rbtree, the_node );
}

RTEMS_INLINE_ROUTINE rtems_rbtree_node *rtems_rbtree_get_min(
  rtems_rbtree_control *the_rbtree
)
{
  rtems_rbtree_node *the_node = rtems_rbtree_min( the_rbtree );

  if ( the_node != NULL ) {
    rtems_rbtree_extract( the_rbtree, the_node );
  }

  return the_node;
}

RTEMS_INLINE_ROUTINE rtems_rbtree_node *rtems_rbtree_get_max(
  rtems_rbtree_control *the_rbtree
)
{
  rtems_rbtree_node *the_node = rtems_rbtree_max( the_rbtree );

  if ( the_node != NULL ) {
    rtems_rbtree_extract( the_rbtree, the_node );
  }

  return the_node;
}

RTEMS_INLINE_ROUTINE rtems_rbtree_node *rtems_rbtree_peek_min(
  const rtems_rbtree_control *the_rbtree
)
{
  return rtems_rbtree_min( the_rbtree );
}

RTEMS_INLINE_ROUTINE rtems_rbtree_node *rtems_rbtree_peek_max(
  const rtems_rbtree_control *the_rbtree
)
{
  return rtems_rbtree_max( the_rbtree );
}

rtems_rbtree_node *rtems_rbtree_insert(
  RBTree_Control *the_rbtree,
  RBTree_Node    *the_node,
  rtems_rbtree_compare  compare,
  bool            is_unique
);

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */