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Diffstat (limited to 'mcastseed/lib/gl_rbtree_list.c')
-rw-r--r--mcastseed/lib/gl_rbtree_list.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/mcastseed/lib/gl_rbtree_list.c b/mcastseed/lib/gl_rbtree_list.c
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+++ b/mcastseed/lib/gl_rbtree_list.c
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+/* Sequential list data type implemented by a binary tree.
+ Copyright (C) 2006, 2008-2016 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2006.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include "gl_rbtree_list.h"
+
+#include <stdlib.h>
+
+/* -------------------------- gl_list_t Data Type -------------------------- */
+
+/* Generic red-black tree code. */
+#include "gl_anyrbtree_list1.h"
+
+/* Generic binary tree code. */
+#include "gl_anytree_list1.h"
+
+/* Generic red-black tree code. */
+#include "gl_anyrbtree_list2.h"
+
+/* Generic binary tree code. */
+#include "gl_anytree_list2.h"
+
+/* For debugging. */
+static unsigned int
+check_invariants (gl_list_node_t node, gl_list_node_t parent)
+{
+ unsigned int left_blackheight =
+ (node->left != NULL ? check_invariants (node->left, node) : 0);
+ unsigned int right_blackheight =
+ (node->right != NULL ? check_invariants (node->right, node) : 0);
+
+ if (!(node->parent == parent))
+ abort ();
+ if (!(node->branch_size
+ == (node->left != NULL ? node->left->branch_size : 0)
+ + 1 + (node->right != NULL ? node->right->branch_size : 0)))
+ abort ();
+ if (!(node->color == BLACK || node->color == RED))
+ abort ();
+ if (parent == NULL && !(node->color == BLACK))
+ abort ();
+ if (!(left_blackheight == right_blackheight))
+ abort ();
+
+ return left_blackheight + (node->color == BLACK ? 1 : 0);
+}
+void
+gl_rbtree_list_check_invariants (gl_list_t list)
+{
+ if (list->root != NULL)
+ check_invariants (list->root, NULL);
+}
+
+const struct gl_list_implementation gl_rbtree_list_implementation =
+ {
+ gl_tree_nx_create_empty,
+ gl_tree_nx_create,
+ gl_tree_size,
+ gl_tree_node_value,
+ gl_tree_node_nx_set_value,
+ gl_tree_next_node,
+ gl_tree_previous_node,
+ gl_tree_get_at,
+ gl_tree_nx_set_at,
+ gl_tree_search_from_to,
+ gl_tree_indexof_from_to,
+ gl_tree_nx_add_first,
+ gl_tree_nx_add_last,
+ gl_tree_nx_add_before,
+ gl_tree_nx_add_after,
+ gl_tree_nx_add_at,
+ gl_tree_remove_node,
+ gl_tree_remove_at,
+ gl_tree_remove,
+ gl_tree_list_free,
+ gl_tree_iterator,
+ gl_tree_iterator_from_to,
+ gl_tree_iterator_next,
+ gl_tree_iterator_free,
+ gl_tree_sortedlist_search,
+ gl_tree_sortedlist_search_from_to,
+ gl_tree_sortedlist_indexof,
+ gl_tree_sortedlist_indexof_from_to,
+ gl_tree_sortedlist_nx_add,
+ gl_tree_sortedlist_remove
+ };