From 7942d89835676b4eda70134b234398dfbc8c93e0 Mon Sep 17 00:00:00 2001
From: Ludovic Pouzenc <ludovic@pouzenc.fr>
Date: Thu, 21 Jul 2016 12:14:51 +0200
Subject: gnulib set does not provide "get" operation, needed for dgrambuf.

Importing gnulib list instead.
---
 mcastseed/lib/gl_rbtree_list.c | 102 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 mcastseed/lib/gl_rbtree_list.c

(limited to 'mcastseed/lib/gl_rbtree_list.c')

diff --git a/mcastseed/lib/gl_rbtree_list.c b/mcastseed/lib/gl_rbtree_list.c
new file mode 100644
index 0000000..5d621f1
--- /dev/null
+++ b/mcastseed/lib/gl_rbtree_list.c
@@ -0,0 +1,102 @@
+/* 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
+  };
-- 
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