1  /* Ordered set data type implemented by a binary tree.
       2     Copyright (C) 2006-2007, 2009-2021 Free Software Foundation, Inc.
       3     Written by Bruno Haible <bruno@clisp.org>, 2006.
       4  
       5     This program is free software: you can redistribute it and/or modify
       6     it under the terms of the GNU General Public License as published by
       7     the Free Software Foundation; either version 3 of the License, or
       8     (at your option) any later version.
       9  
      10     This program is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13     GNU General Public License for more details.
      14  
      15     You should have received a copy of the GNU General Public License
      16     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <config.h>
      19  
      20  /* Specification.  */
      21  #include "gl_avltree_oset.h"
      22  
      23  #include <stdlib.h>
      24  
      25  /* -------------------------- gl_oset_t Data Type -------------------------- */
      26  
      27  /* Parameterization of gl_avltree_ordered.h.  */
      28  #define CONTAINER_T gl_oset_t
      29  #define CONTAINER_IMPL gl_oset_impl
      30  #define CONTAINER_IMPL_BASE gl_oset_impl_base
      31  #define NODE_IMPL gl_oset_node_impl
      32  #define NODE_T gl_oset_node_t
      33  #define NODE_PAYLOAD_FIELDS \
      34    const void *value;
      35  #define NODE_PAYLOAD_PARAMS \
      36    const void *elt
      37  #define NODE_PAYLOAD_ASSIGN(node) \
      38    node->value = elt;
      39  #define NODE_PAYLOAD_DISPOSE(container, node) \
      40    if (container->base.dispose_fn != NULL) \
      41      container->base.dispose_fn (node->value);
      42  
      43  #include "gl_avltree_ordered.h"
      44  
      45  /* Generic binary tree code.  */
      46  #include "gl_anytree_oset.h"
      47  
      48  /* For debugging.  */
      49  void
      50  gl_avltree_oset_check_invariants (gl_oset_t set)
      51  {
      52    size_t counter = 0;
      53    if (set->root != NULL)
      54      check_invariants (set->root, NULL, &counter);
      55    if (!(set->count == counter))
      56      abort ();
      57  }
      58  
      59  const struct gl_oset_implementation gl_avltree_oset_implementation =
      60    {
      61      gl_tree_nx_create_empty,
      62      gl_tree_size,
      63      gl_tree_search,
      64      gl_tree_search_atleast,
      65      gl_tree_nx_add,
      66      gl_tree_remove,
      67      gl_tree_update,
      68      gl_tree_oset_free,
      69      gl_tree_iterator,
      70      gl_tree_iterator_atleast,
      71      gl_tree_iterator_next,
      72      gl_tree_iterator_free
      73    };