1 files changed, 105 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/table/avl_Enum.cpp.h b/src/VBox/Runtime/common/table/avl_Enum.cpp.h
new file mode 100644
index 00000000..00b134f2
--- /dev/null
+++ b/src/VBox/Runtime/common/table/avl_Enum.cpp.h
@@ -0,0 +1,105 @@
+/* $Id: avl_Enum.cpp.h $ */
+/** @file
+ * Enumeration routines for AVL trees.
+ */
+
+/*
+ * Copyright (C) 2006-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * 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, in version 3 of the
+ * License.
+ *
+ * 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 <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+#ifndef _kAVLEnum_h_
+#define _kAVLEnum_h_
+
+
+/**
+ * Gets the root node.
+ *
+ * @returns Pointer to the root node.
+ * @returns NULL if the tree is empty.
+ *
+ * @param   ppTree      Pointer to pointer to the tree root node.
+ */
+KAVL_DECL(PKAVLNODECORE) KAVL_FN(GetRoot)(PPKAVLNODECORE ppTree)
+{
+    return KAVL_GET_POINTER_NULL(ppTree);
+}
+
+
+/**
+ * Gets the right node.
+ *
+ * @returns Pointer to the right node.
+ * @returns NULL if no right node.
+ *
+ * @param   pNode       The current node.
+ */
+KAVL_DECL(PKAVLNODECORE)    KAVL_FN(GetRight)(PKAVLNODECORE pNode)
+{
+    if (pNode)
+        return KAVL_GET_POINTER_NULL(&pNode->pRight);
+    return NULL;
+}
+
+
+/**
+ * Gets the left node.
+ *
+ * @returns Pointer to the left node.
+ * @returns NULL if no left node.
+ *
+ * @param   pNode       The current node.
+ */
+KAVL_DECL(PKAVLNODECORE) KAVL_FN(GetLeft)(PKAVLNODECORE pNode)
+{
+    if (pNode)
+        return KAVL_GET_POINTER_NULL(&pNode->pLeft);
+    return NULL;
+}
+
+
+# ifdef KAVL_EQUAL_ALLOWED
+/**
+ * Gets the next node with an equal (start) key.
+ *
+ * @returns Pointer to the next equal node.
+ * @returns NULL if the current node was the last one with this key.
+ *
+ * @param   pNode       The current node.
+ */
+KAVL_DECL(PKAVLNODECORE) KAVL_FN(GetNextEqual)(PKAVLNODECORE pNode)
+{
+    if (pNode)
+        return KAVL_GET_POINTER_NULL(&pNode->pList);
+    return NULL;
+}
+# endif /* KAVL_EQUAL_ALLOWED */
+
+#endif
+