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/** @file
*
* Definitions for the Wireshark Memory Manager Red-Black Tree
* Copyright 2013, Evan Huus <eapache@gmail.com>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __WMEM_TREE_INT_H__
#define __WMEM_TREE_INT_H__
#include "wmem_tree.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef enum _wmem_node_color_t {
WMEM_NODE_COLOR_RED,
WMEM_NODE_COLOR_BLACK
} wmem_node_color_t;
struct _wmem_tree_node_t {
struct _wmem_tree_node_t *parent;
struct _wmem_tree_node_t *left;
struct _wmem_tree_node_t *right;
const void *key;
void *data;
wmem_node_color_t color;
bool is_subtree;
bool is_removed;
};
typedef struct _wmem_tree_node_t wmem_tree_node_t;
typedef struct _wmem_itree_node_t wmem_itree_node_t;
struct _wmem_tree_t {
wmem_allocator_t *metadata_allocator;
wmem_allocator_t *data_allocator;
wmem_tree_node_t *root;
unsigned metadata_scope_cb_id;
unsigned data_scope_cb_id;
void (*post_rotation_cb)(wmem_tree_node_t *);
};
typedef int (*compare_func)(const void *a, const void *b);
wmem_tree_node_t *
wmem_tree_insert(wmem_tree_t *tree, const void *key, void *data, compare_func cmp);
typedef struct _wmem_range_t wmem_range_t;
bool
wmem_itree_range_overlap(const wmem_range_t *r1, const wmem_range_t *r2);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __WMEM_TREE__INTERNALS_H__ */
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 4
* tab-width: 8
* indent-tabs-mode: nil
* End:
*
* vi: set shiftwidth=4 tabstop=8 expandtab:
* :indentSize=4:tabSize=8:noTabs=true:
*/
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