--- /dev/null
+From 4b91b102eb6edb63472728dd3545e3dff800a5a0 Mon Sep 17 00:00:00 2001
+From: Nick Hainke <vincent@systemli.org>
+Date: Sat, 15 Jan 2022 16:13:24 +0100
+Subject: [PATCH] rename avl to olsrd_avl
+
+---
+ lib/nameservice/src/nameservice.c | 4 +-
+ lib/netjson/src/olsrd_netjson.c | 12 +-
+ lib/netjson/src/olsrd_netjson_helpers.c | 74 +++++-----
+ lib/netjson/src/olsrd_netjson_helpers.h | 18 +--
+ src/common/{avl.c => olsrd_avl.c} | 184 ++++++++++++------------
+ src/common/{avl.h => olsrd_avl.h} | 90 ++++++------
+ src/duplicate_set.c | 18 +--
+ src/duplicate_set.h | 12 +-
+ src/gateway.c | 18 +--
+ src/gateway.h | 16 +--
+ src/kernel_tunnel.h | 4 +-
+ src/linux/kernel_tunnel.c | 12 +-
+ src/lq_packet.c | 6 +-
+ src/lq_plugin.c | 14 +-
+ src/lq_plugin.h | 14 +-
+ src/olsr.c | 12 +-
+ src/olsr_spf.c | 36 ++---
+ src/process_routes.c | 22 +--
+ src/routing_table.c | 56 ++++----
+ src/routing_table.h | 36 ++---
+ src/scheduler.c | 30 ++--
+ src/tc_set.c | 30 ++--
+ src/tc_set.h | 38 ++---
+ 24 files changed, 390 insertions(+), 390 deletions(-)
+ rename src/common/{avl.c => olsrd_avl.c} (67%)
+ rename src/common/{avl.h => olsrd_avl.h} (58%)
+--- a/lib/nameservice/src/nameservice.c
++++ b/lib/nameservice/src/nameservice.c
+@@ -1621,13 +1621,13 @@ void
+ lookup_defhna_latlon(union olsr_ip_addr *ip)
+ {
+ struct rt_entry *rt;
+- struct avl_node *rt_tree_node;
++ struct olsrd_avl_node *rt_tree_node;
+ struct olsr_ip_prefix prefix;
+
+ memset(ip, 0, sizeof(*ip));
+ memset(&prefix, 0, sizeof(prefix));
+
+- if (NULL != (rt_tree_node = avl_find(&routingtree, &prefix))) {
++ if (NULL != (rt_tree_node = olsrd_avl_find(&routingtree, &prefix))) {
+ rt = rt_tree2rt(rt_tree_node);
+ *ip = rt->rt_best->rtp_nexthop.gateway;
+ }
+--- a/lib/netjson/src/olsrd_netjson.c
++++ b/lib/netjson/src/olsrd_netjson.c
+@@ -52,7 +52,7 @@
+ #include "info/info_types.h"
+ #include "info/http_headers.h"
+ #include "info/json_helpers.h"
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+ #include "olsr.h"
+ #include "builddata.h"
+ #include "routing_table.h"
+@@ -161,7 +161,7 @@ void ipc_print_network_routes(struct aut
+ }
+
+ void ipc_print_network_graph(struct autobuf *abuf) {
+- struct avl_tree nodes;
++ struct olsrd_avl_tree nodes;
+ struct mid_entry mid_self;
+ struct node_entry * node_self;
+ struct tc_entry * tc;
+@@ -169,7 +169,7 @@ void ipc_print_network_graph(struct auto
+ struct neighbor_entry * neighbor;
+ int idx;
+
+- avl_init(&nodes, (olsr_cnf->ip_version == AF_INET) ? avl_comp_ipv4 : avl_comp_ipv6);
++ olsrd_avl_init(&nodes, (olsr_cnf->ip_version == AF_INET) ? olsrd_avl_comp_ipv4 : olsrd_avl_comp_ipv6);
+
+ /* mandatory */
+ abuf_json_string(&json_session, abuf, "type", "NetworkGraph");
+@@ -226,8 +226,8 @@ void ipc_print_network_graph(struct auto
+
+ abuf_json_mark_object(&json_session, true, true, abuf, "nodes");
+ while (nodes.count > 0) {
+- struct avl_node *node = avl_walk_first(&nodes);
+- struct node_entry *node_entry = avlnode2node(node);
++ struct olsrd_avl_node *node = olsrd_avl_walk_first(&nodes);
++ struct node_entry *node_entry = olsrd_avlnode2node(node);
+
+ if (!node_entry->isAlias) {
+ abuf_json_mark_array_entry(&json_session, true, abuf);
+@@ -265,7 +265,7 @@ void ipc_print_network_graph(struct auto
+ netjson_cleanup_mid_self(node_self);
+ }
+
+- avl_delete(&nodes, node);
++ olsrd_avl_delete(&nodes, node);
+ free(node);
+ }
+ abuf_json_mark_object(&json_session, false, true, abuf, NULL);
+--- a/lib/netjson/src/olsrd_netjson_helpers.c
++++ b/lib/netjson/src/olsrd_netjson_helpers.c
+@@ -57,7 +57,7 @@ struct node_entry * netjson_constructMid
+
+ node_self = olsr_malloc(sizeof(struct node_entry), "netjson NetworkGraph node - MID - self");
+ memset(node_self, 0, sizeof(*node_self));
+- node_self->avl.key = &olsr_cnf->main_addr;
++ node_self->olsrd_avl.key = &olsr_cnf->main_addr;
+ node_self->isAlias = false;
+ node_self->mid = mid;
+
+@@ -93,7 +93,7 @@ struct node_entry * netjson_constructMid
+
+ node_self_alias = olsr_malloc(sizeof(struct node_entry), "netjson NetworkGraph node - MID - self alias");
+ memset(node_self_alias, 0, sizeof(*node_self_alias));
+- node_self_alias->avl.key = addr;
++ node_self_alias->olsrd_avl.key = addr;
+ node_self_alias->isAlias = true;
+ node_self_alias->mid = mid;
+
+@@ -112,7 +112,7 @@ struct node_entry * netjson_constructMid
+ }
+
+ void netjson_cleanup_mid_self(struct node_entry *node_entry) {
+- if (node_entry->avl.key != &olsr_cnf->main_addr) {
++ if (node_entry->olsrd_avl.key != &olsr_cnf->main_addr) {
+ return;
+ }
+
+@@ -123,21 +123,21 @@ void netjson_cleanup_mid_self(struct nod
+ }
+ }
+
+-void netjson_midIntoNodesTree(struct avl_tree *nodes, struct mid_entry *mid) {
+- struct avl_node *avlnode;
++void netjson_midIntoNodesTree(struct olsrd_avl_tree *nodes, struct mid_entry *mid) {
++ struct olsrd_avl_node *olsrd_avlnode;
+ struct node_entry *node;
+ struct mid_address *alias;
+
+- avlnode = avl_find(nodes, &mid->main_addr);
+- if (!avlnode) {
++ olsrd_avlnode = olsrd_avl_find(nodes, &mid->main_addr);
++ if (!olsrd_avlnode) {
+ /* the IP address is not yet known */
+
+ node = olsr_malloc(sizeof(struct node_entry), "netjson NetworkGraph node - MID - main");
+ memset(node, 0, sizeof(*node));
+- node->avl.key = &mid->main_addr;
++ node->olsrd_avl.key = &mid->main_addr;
+ node->isAlias = false;
+ node->mid = mid;
+- if (avl_insert(nodes, &node->avl, AVL_DUP_NO) == -1) {
++ if (olsrd_avl_insert(nodes, &node->olsrd_avl, OLSRD_AVL_DUP_NO) == -1) {
+ /* duplicate */
+ free(node);
+ }
+@@ -145,16 +145,16 @@ void netjson_midIntoNodesTree(struct avl
+
+ alias = mid->aliases;
+ while (alias) {
+- avlnode = avl_find(nodes, &alias->alias);
+- if (!avlnode) {
++ olsrd_avlnode = olsrd_avl_find(nodes, &alias->alias);
++ if (!olsrd_avlnode) {
+ /* the IP address is not yet known */
+
+ node = olsr_malloc(sizeof(struct node_entry), "netjson NetworkGraph node - MID - alias");
+ memset(node, 0, sizeof(*node));
+- node->avl.key = &alias->alias;
++ node->olsrd_avl.key = &alias->alias;
+ node->isAlias = true;
+ node->mid = mid;
+- if (avl_insert(nodes, &node->avl, AVL_DUP_NO) == -1) {
++ if (olsrd_avl_insert(nodes, &node->olsrd_avl, OLSRD_AVL_DUP_NO) == -1) {
+ /* duplicate */
+ free(node);
+ }
+@@ -164,12 +164,12 @@ void netjson_midIntoNodesTree(struct avl
+ }
+ }
+
+-void netjson_tcIntoNodesTree(struct avl_tree *nodes, struct tc_entry *tc) {
+- struct avl_node *avlnode;
++void netjson_tcIntoNodesTree(struct olsrd_avl_tree *nodes, struct tc_entry *tc) {
++ struct olsrd_avl_node *olsrd_avlnode;
+ struct node_entry *node;
+
+- avlnode = avl_find(nodes, &tc->addr);
+- if (avlnode) {
++ olsrd_avlnode = olsrd_avl_find(nodes, &tc->addr);
++ if (olsrd_avlnode) {
+ /* the IP address is already known */
+ return;
+ }
+@@ -178,21 +178,21 @@ void netjson_tcIntoNodesTree(struct avl_
+
+ node = olsr_malloc(sizeof(struct node_entry), "netjson NetworkGraph node - TC - main");
+ memset(node, 0, sizeof(*node));
+- node->avl.key = &tc->addr;
++ node->olsrd_avl.key = &tc->addr;
+ node->isAlias = false;
+ node->tc = tc;
+- if (avl_insert(nodes, &node->avl, AVL_DUP_NO) == -1) {
++ if (olsrd_avl_insert(nodes, &node->olsrd_avl, OLSRD_AVL_DUP_NO) == -1) {
+ /* duplicate */
+ free(node);
+ }
+ }
+
+-void netjson_tcEdgeIntoNodesTree(struct avl_tree *nodes, struct tc_edge_entry *tc_edge) {
+- struct avl_node *avlnode;
++void netjson_tcEdgeIntoNodesTree(struct olsrd_avl_tree *nodes, struct tc_edge_entry *tc_edge) {
++ struct olsrd_avl_node *olsrd_avlnode;
+ struct node_entry *node;
+
+- avlnode = avl_find(nodes, &tc_edge->T_dest_addr);
+- if (avlnode) {
++ olsrd_avlnode = olsrd_avl_find(nodes, &tc_edge->T_dest_addr);
++ if (olsrd_avlnode) {
+ /* the IP address is already known */
+ return;
+ }
+@@ -201,21 +201,21 @@ void netjson_tcEdgeIntoNodesTree(struct
+
+ node = olsr_malloc(sizeof(struct node_entry), "netjson NetworkGraph node - TC - main");
+ memset(node, 0, sizeof(*node));
+- node->avl.key = &tc_edge->T_dest_addr;
++ node->olsrd_avl.key = &tc_edge->T_dest_addr;
+ node->isAlias = false;
+ node->tc_edge = tc_edge;
+- if (avl_insert(nodes, &node->avl, AVL_DUP_NO) == -1) {
++ if (olsrd_avl_insert(nodes, &node->olsrd_avl, OLSRD_AVL_DUP_NO) == -1) {
+ /* duplicate */
+ free(node);
+ }
+ }
+
+-void netjson_linkIntoNodesTree(struct avl_tree *nodes, struct link_entry *link, union olsr_ip_addr *addr) {
+- struct avl_node *avlnode;
++void netjson_linkIntoNodesTree(struct olsrd_avl_tree *nodes, struct link_entry *link, union olsr_ip_addr *addr) {
++ struct olsrd_avl_node *olsrd_avlnode;
+ struct node_entry *node;
+
+- avlnode = avl_find(nodes, addr);
+- if (avlnode) {
++ olsrd_avlnode = olsrd_avl_find(nodes, addr);
++ if (olsrd_avlnode) {
+ /* the IP address is already known */
+ return;
+ }
+@@ -224,21 +224,21 @@ void netjson_linkIntoNodesTree(struct av
+
+ node = olsr_malloc(sizeof(struct node_entry), "netjson NetworkGraph node - link");
+ memset(node, 0, sizeof(*node));
+- node->avl.key = addr;
++ node->olsrd_avl.key = addr;
+ node->isAlias = false;
+ node->link = link;
+- if (avl_insert(nodes, &node->avl, AVL_DUP_NO) == -1) {
++ if (olsrd_avl_insert(nodes, &node->olsrd_avl, OLSRD_AVL_DUP_NO) == -1) {
+ /* duplicate */
+ free(node);
+ }
+ }
+
+-void netjson_neighborIntoNodesTree(struct avl_tree *nodes, struct neighbor_entry *neighbor) {
+- struct avl_node *avlnode;
++void netjson_neighborIntoNodesTree(struct olsrd_avl_tree *nodes, struct neighbor_entry *neighbor) {
++ struct olsrd_avl_node *olsrd_avlnode;
+ struct node_entry *node;
+
+- avlnode = avl_find(nodes, &neighbor->neighbor_main_addr);
+- if (avlnode) {
++ olsrd_avlnode = olsrd_avl_find(nodes, &neighbor->neighbor_main_addr);
++ if (olsrd_avlnode) {
+ /* the IP address is already known */
+ return;
+ }
+@@ -247,10 +247,10 @@ void netjson_neighborIntoNodesTree(struc
+
+ node = olsr_malloc(sizeof(struct node_entry), "netjson NetworkGraph node - neighbor");
+ memset(node, 0, sizeof(*node));
+- node->avl.key = &neighbor->neighbor_main_addr;
++ node->olsrd_avl.key = &neighbor->neighbor_main_addr;
+ node->isAlias = false;
+ node->neighbor = neighbor;
+- if (avl_insert(nodes, &node->avl, AVL_DUP_NO) == -1) {
++ if (olsrd_avl_insert(nodes, &node->olsrd_avl, OLSRD_AVL_DUP_NO) == -1) {
+ /* duplicate */
+ free(node);
+ }
+--- a/lib/netjson/src/olsrd_netjson_helpers.h
++++ b/lib/netjson/src/olsrd_netjson_helpers.h
+@@ -48,7 +48,7 @@
+
+ #include <stdbool.h>
+
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+ #include "mid_set.h"
+ #include "tc_set.h"
+ #include "link_set.h"
+@@ -56,7 +56,7 @@
+ #include "olsr_types.h"
+
+ struct node_entry {
+- struct avl_node avl;
++ struct olsrd_avl_node olsrd_avl;
+ bool isAlias;
+ struct mid_entry *mid;
+ struct tc_entry *tc;
+@@ -65,15 +65,15 @@ struct node_entry {
+ struct neighbor_entry *neighbor;
+ };
+
+-/* static INLINE struct node_entry * avlnode2node(struct avl_node *ptr) */
+-AVLNODE2STRUCT(avlnode2node, struct node_entry, avl);
++/* static INLINE struct node_entry * olsrd_avlnode2node(struct olsrd_avl_node *ptr) */
++OLSRD_AVLNODE2STRUCT(olsrd_avlnode2node, struct node_entry, olsrd_avl);
+
+ struct node_entry * netjson_constructMidSelf(struct mid_entry *mid);
+ void netjson_cleanup_mid_self(struct node_entry *node_entry);
+-void netjson_midIntoNodesTree(struct avl_tree *nodes, struct mid_entry *mid);
+-void netjson_tcIntoNodesTree(struct avl_tree *nodes, struct tc_entry *tc);
+-void netjson_tcEdgeIntoNodesTree(struct avl_tree *nodes, struct tc_edge_entry *tc_edge);
+-void netjson_linkIntoNodesTree(struct avl_tree *nodes, struct link_entry *link, union olsr_ip_addr *addr);
+-void netjson_neighborIntoNodesTree(struct avl_tree *nodes, struct neighbor_entry *neigh);
++void netjson_midIntoNodesTree(struct olsrd_avl_tree *nodes, struct mid_entry *mid);
++void netjson_tcIntoNodesTree(struct olsrd_avl_tree *nodes, struct tc_entry *tc);
++void netjson_tcEdgeIntoNodesTree(struct olsrd_avl_tree *nodes, struct tc_edge_entry *tc_edge);
++void netjson_linkIntoNodesTree(struct olsrd_avl_tree *nodes, struct link_entry *link, union olsr_ip_addr *addr);
++void netjson_neighborIntoNodesTree(struct olsrd_avl_tree *nodes, struct neighbor_entry *neigh);
+
+ #endif /* LIB_NETJSON_SRC_OLSRD_NETJSON_HELPERS_H_ */
+--- a/src/common/avl.c
++++ /dev/null
+@@ -1,664 +0,0 @@
+-/*
+- * The olsr.org Optimized Link-State Routing daemon (olsrd)
+- *
+- * (c) by the OLSR project
+- *
+- * See our Git repository to find out who worked on this file
+- * and thus is a copyright holder on it.
+- *
+- * All rights reserved.
+- *
+- * Redistribution and use in source and binary forms, with or without
+- * modification, are permitted provided that the following conditions
+- * are met:
+- *
+- * * Redistributions of source code must retain the above copyright
+- * notice, this list of conditions and the following disclaimer.
+- * * Redistributions in binary form must reproduce the above copyright
+- * notice, this list of conditions and the following disclaimer in
+- * the documentation and/or other materials provided with the
+- * distribution.
+- * * Neither the name of olsr.org, olsrd nor the names of its
+- * contributors may be used to endorse or promote products derived
+- * from this software without specific prior written permission.
+- *
+- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+- * POSSIBILITY OF SUCH DAMAGE.
+- *
+- * Visit http://www.olsr.org for more information.
+- *
+- * If you find this software useful feel free to make a donation
+- * to the project. For more information see the website or contact
+- * the copyright holders.
+- *
+- */
+-
+-#include <stddef.h>
+-#include <time.h>
+-#include <string.h>
+-
+-#include "ipcalc.h"
+-#include "common/avl.h"
+-#include "net_olsr.h"
+-
+-/*
+- * default comparison pointers
+- * set to the respective compare function.
+- * if avl_comp_default is set to zero, a fast
+- * INLINE ipv4 comparison will be executed.
+- */
+-avl_tree_comp avl_comp_default = NULL;
+-avl_tree_comp avl_comp_prefix_default;
+-
+-int
+-avl_comp_ipv4(const void *ip1, const void *ip2)
+-{
+- return ip4cmp(ip1, ip2);
+-}
+-
+-int
+-avl_comp_ipv6(const void *ip1, const void *ip2)
+-{
+- return ip6cmp(ip1, ip2);
+-}
+-
+-int
+-avl_comp_mac(const void *ip1, const void *ip2)
+-{
+- return memcmp(ip1, ip2, 6);
+-}
+-
+-void
+-avl_init(struct avl_tree *tree, avl_tree_comp comp)
+-{
+- tree->root = NULL;
+- tree->first = NULL;
+- tree->last = NULL;
+- tree->count = 0;
+-
+- tree->comp = comp == avl_comp_ipv4 ? NULL : comp;
+-}
+-
+-static struct avl_node *
+-avl_find_rec_ipv4(struct avl_node *node, const void *key)
+-{
+- if (*(const unsigned int *)key < *(const unsigned int *)node->key) {
+- if (node->left != NULL)
+- return avl_find_rec_ipv4(node->left, key);
+- }
+-
+- else if (*(const unsigned int *)key > *(const unsigned int *)node->key) {
+- if (node->right != NULL)
+- return avl_find_rec_ipv4(node->right, key);
+- }
+-
+- return node;
+-}
+-
+-static struct avl_node *
+-avl_find_rec(struct avl_node *node, const void *key, avl_tree_comp comp)
+-{
+- int diff;
+-
+- if (NULL == comp)
+- return avl_find_rec_ipv4(node, key);
+-
+- diff = (*comp) (key, node->key);
+-
+- if (diff < 0) {
+- if (node->left != NULL)
+- return avl_find_rec(node->left, key, comp);
+-
+- return node;
+- }
+-
+- if (diff > 0) {
+- if (node->right != NULL)
+- return avl_find_rec(node->right, key, comp);
+-
+- return node;
+- }
+-
+- return node;
+-}
+-
+-struct avl_node *
+-avl_find(struct avl_tree *tree, const void *key)
+-{
+- struct avl_node *node;
+-
+- if (tree->root == NULL)
+- return NULL;
+-
+- node = avl_find_rec(tree->root, key, tree->comp);
+-
+- if (NULL == tree->comp) {
+- if (0 != ip4cmp(node->key, key))
+- return NULL;
+- }
+-
+- else {
+- if ((*tree->comp) (node->key, key) != 0)
+- return NULL;
+- }
+-
+- return node;
+-}
+-
+-static void
+-avl_rotate_right(struct avl_tree *tree, struct avl_node *node)
+-{
+- struct avl_node *left, *parent;
+-
+- left = node->left;
+- parent = node->parent;
+-
+- left->parent = parent;
+- node->parent = left;
+-
+- if (parent == NULL)
+- tree->root = left;
+-
+- else {
+- if (parent->left == node)
+- parent->left = left;
+-
+- else
+- parent->right = left;
+- }
+-
+- node->left = left->right;
+- left->right = node;
+-
+- if (node->left != NULL)
+- node->left->parent = node;
+-
+- node->balance += 1 - MIN(left->balance, 0);
+- left->balance += 1 + MAX(node->balance, 0);
+-}
+-
+-static void
+-avl_rotate_left(struct avl_tree *tree, struct avl_node *node)
+-{
+- struct avl_node *right, *parent;
+-
+- right = node->right;
+- parent = node->parent;
+-
+- right->parent = parent;
+- node->parent = right;
+-
+- if (parent == NULL)
+- tree->root = right;
+-
+- else {
+- if (parent->left == node)
+- parent->left = right;
+-
+- else
+- parent->right = right;
+- }
+-
+- node->right = right->left;
+- right->left = node;
+-
+- if (node->right != NULL)
+- node->right->parent = node;
+-
+- node->balance -= 1 + MAX(right->balance, 0);
+- right->balance -= 1 - MIN(node->balance, 0);
+-}
+-
+-static void
+-post_insert(struct avl_tree *tree, struct avl_node *node)
+-{
+- struct avl_node *parent = node->parent;
+-
+- if (parent == NULL)
+- return;
+-
+- if (node == parent->left) {
+- parent->balance--;
+-
+- if (parent->balance == 0)
+- return;
+-
+- if (parent->balance == -1) {
+- post_insert(tree, parent);
+- return;
+- }
+-
+- if (node->balance == -1) {
+- avl_rotate_right(tree, parent);
+- return;
+- }
+-
+- avl_rotate_left(tree, node);
+- avl_rotate_right(tree, node->parent->parent);
+- return;
+- }
+-
+- parent->balance++;
+-
+- if (parent->balance == 0)
+- return;
+-
+- if (parent->balance == 1) {
+- post_insert(tree, parent);
+- return;
+- }
+-
+- if (node->balance == 1) {
+- avl_rotate_left(tree, parent);
+- return;
+- }
+-
+- avl_rotate_right(tree, node);
+- avl_rotate_left(tree, node->parent->parent);
+-}
+-
+-static void
+-avl_insert_before(struct avl_tree *tree, struct avl_node *pos_node, struct avl_node *node)
+-{
+- if (pos_node->prev != NULL)
+- pos_node->prev->next = node;
+- else
+- tree->first = node;
+-
+- node->prev = pos_node->prev;
+- node->next = pos_node;
+-
+- pos_node->prev = node;
+-
+- tree->count++;
+-}
+-
+-static void
+-avl_insert_after(struct avl_tree *tree, struct avl_node *pos_node, struct avl_node *node)
+-{
+- if (pos_node->next != NULL)
+- pos_node->next->prev = node;
+- else
+- tree->last = node;
+-
+- node->prev = pos_node;
+- node->next = pos_node->next;
+-
+- pos_node->next = node;
+-
+- tree->count++;
+-}
+-
+-static void
+-avl_remove(struct avl_tree *tree, struct avl_node *node)
+-{
+- if (node->prev != NULL)
+- node->prev->next = node->next;
+- else
+- tree->first = node->next;
+-
+- if (node->next != NULL)
+- node->next->prev = node->prev;
+- else
+- tree->last = node->prev;
+-
+- tree->count--;
+-}
+-
+-int
+-avl_insert(struct avl_tree *tree, struct avl_node *new, int allow_duplicates)
+-{
+- struct avl_node *node;
+- struct avl_node *last;
+- int diff;
+-
+- new->parent = NULL;
+-
+- new->left = NULL;
+- new->right = NULL;
+-
+- new->next = NULL;
+- new->prev = NULL;
+-
+- new->balance = 0;
+- new->leader = 1;
+-
+- if (tree->root == NULL) {
+- tree->root = new;
+- tree->first = new;
+- tree->last = new;
+- tree->count = 1;
+- return 0;
+- }
+-
+- node = avl_find_rec(tree->root, new->key, tree->comp);
+-
+- last = node;
+-
+- while (last->next != NULL && last->next->leader == 0)
+- last = last->next;
+-
+- if (NULL == tree->comp)
+- diff = ip4cmp(new->key, node->key);
+-
+- else
+- diff = (*tree->comp) (new->key, node->key);
+-
+- if (diff == 0) {
+- if (allow_duplicates == AVL_DUP_NO)
+- return -1;
+-
+- new->leader = 0;
+-
+- avl_insert_after(tree, last, new);
+- return 0;
+- }
+-
+- if (node->balance == 1) {
+- avl_insert_before(tree, node, new);
+-
+- node->balance = 0;
+- new->parent = node;
+- node->left = new;
+- return 0;
+- }
+-
+- if (node->balance == -1) {
+- avl_insert_after(tree, last, new);
+-
+- node->balance = 0;
+- new->parent = node;
+- node->right = new;
+- return 0;
+- }
+-
+- if (diff < 0) {
+- avl_insert_before(tree, node, new);
+-
+- node->balance = -1;
+- new->parent = node;
+- node->left = new;
+- post_insert(tree, node);
+- return 0;
+- }
+-
+- avl_insert_after(tree, last, new);
+-
+- node->balance = 1;
+- new->parent = node;
+- node->right = new;
+- post_insert(tree, node);
+- return 0;
+-}
+-
+-static void
+-avl_post_delete(struct avl_tree *tree, struct avl_node *node)
+-{
+- struct avl_node *parent;
+-
+- if ((parent = node->parent) == NULL)
+- return;
+-
+- if (node == parent->left) {
+- parent->balance++;
+-
+- if (parent->balance == 0) {
+- avl_post_delete(tree, parent);
+- return;
+- }
+-
+- if (parent->balance == 1)
+- return;
+-
+- if (parent->right->balance == 0) {
+- avl_rotate_left(tree, parent);
+- return;
+- }
+-
+- if (parent->right->balance == 1) {
+- avl_rotate_left(tree, parent);
+- avl_post_delete(tree, parent->parent);
+- return;
+- }
+-
+- avl_rotate_right(tree, parent->right);
+- avl_rotate_left(tree, parent);
+- avl_post_delete(tree, parent->parent);
+- return;
+- }
+-
+- parent->balance--;
+-
+- if (parent->balance == 0) {
+- avl_post_delete(tree, parent);
+- return;
+- }
+-
+- if (parent->balance == -1)
+- return;
+-
+- if (parent->left->balance == 0) {
+- avl_rotate_right(tree, parent);
+- return;
+- }
+-
+- if (parent->left->balance == -1) {
+- avl_rotate_right(tree, parent);
+- avl_post_delete(tree, parent->parent);
+- return;
+- }
+-
+- avl_rotate_left(tree, parent->left);
+- avl_rotate_right(tree, parent);
+- avl_post_delete(tree, parent->parent);
+-}
+-
+-static struct avl_node *
+-avl_local_min(struct avl_node *node)
+-{
+- while (node->left != NULL)
+- node = node->left;
+-
+- return node;
+-}
+-
+-static void
+-avl_delete_worker(struct avl_tree *tree, struct avl_node *node)
+-{
+- struct avl_node *parent, *min;
+-
+- parent = node->parent;
+-
+- if (node->left == NULL && node->right == NULL) {
+- if (parent == NULL) {
+- tree->root = NULL;
+- return;
+- }
+-
+- if (parent->left == node) {
+- parent->left = NULL;
+- parent->balance++;
+-
+- if (parent->balance == 1)
+- return;
+-
+- if (parent->balance == 0) {
+- avl_post_delete(tree, parent);
+- return;
+- }
+-
+- if (parent->right->balance == 0) {
+- avl_rotate_left(tree, parent);
+- return;
+- }
+-
+- if (parent->right->balance == 1) {
+- avl_rotate_left(tree, parent);
+- avl_post_delete(tree, parent->parent);
+- return;
+- }
+-
+- avl_rotate_right(tree, parent->right);
+- avl_rotate_left(tree, parent);
+- avl_post_delete(tree, parent->parent);
+- }
+- else {
+- parent->right = NULL;
+- parent->balance--;
+-
+- if (parent->balance == -1)
+- return;
+-
+- if (parent->balance == 0) {
+- avl_post_delete(tree, parent);
+- return;
+- }
+-
+- if (parent->left->balance == 0) {
+- avl_rotate_right(tree, parent);
+- return;
+- }
+-
+- if (parent->left->balance == -1) {
+- avl_rotate_right(tree, parent);
+- avl_post_delete(tree, parent->parent);
+- return;
+- }
+-
+- avl_rotate_left(tree, parent->left);
+- avl_rotate_right(tree, parent);
+- avl_post_delete(tree, parent->parent);
+- }
+- return;
+- }
+-
+- if (node->left == NULL) {
+- if (parent == NULL) {
+- tree->root = node->right;
+- node->right->parent = NULL;
+- return;
+- }
+-
+- node->right->parent = parent;
+-
+- if (parent->left == node)
+- parent->left = node->right;
+-
+- else
+- parent->right = node->right;
+-
+- avl_post_delete(tree, node->right);
+- return;
+- }
+-
+- if (node->right == NULL) {
+- if (parent == NULL) {
+- tree->root = node->left;
+- node->left->parent = NULL;
+- return;
+- }
+-
+- node->left->parent = parent;
+-
+- if (parent->left == node)
+- parent->left = node->left;
+-
+- else
+- parent->right = node->left;
+-
+- avl_post_delete(tree, node->left);
+- return;
+- }
+-
+- min = avl_local_min(node->right);
+- avl_delete_worker(tree, min);
+- parent = node->parent;
+-
+- min->balance = node->balance;
+- min->parent = parent;
+- min->left = node->left;
+- min->right = node->right;
+-
+- if (min->left != NULL)
+- min->left->parent = min;
+-
+- if (min->right != NULL)
+- min->right->parent = min;
+-
+- if (parent == NULL) {
+- tree->root = min;
+- return;
+- }
+-
+- if (parent->left == node) {
+- parent->left = min;
+- return;
+- }
+-
+- parent->right = min;
+-}
+-
+-void
+-avl_delete(struct avl_tree *tree, struct avl_node *node)
+-{
+- struct avl_node *next;
+- struct avl_node *parent;
+- struct avl_node *left;
+- struct avl_node *right;
+-
+- if (node->leader != 0) {
+- next = node->next;
+-
+- if (next != NULL && next->leader == 0) {
+- next->leader = 1;
+- next->balance = node->balance;
+-
+- parent = node->parent;
+- left = node->left;
+- right = node->right;
+-
+- next->parent = parent;
+- next->left = left;
+- next->right = right;
+-
+- if (parent == NULL)
+- tree->root = next;
+-
+- else {
+- if (node == parent->left)
+- parent->left = next;
+-
+- else
+- parent->right = next;
+- }
+-
+- if (left != NULL)
+- left->parent = next;
+-
+- if (right != NULL)
+- right->parent = next;
+- }
+-
+- else
+- avl_delete_worker(tree, node);
+- }
+-
+- avl_remove(tree, node);
+-}
+-
+-/*
+- * Local Variables:
+- * c-basic-offset: 2
+- * indent-tabs-mode: nil
+- * End:
+- */
+--- /dev/null
++++ b/src/common/olsrd_avl.c
+@@ -0,0 +1,664 @@
++/*
++ * The olsr.org Optimized Link-State Routing daemon (olsrd)
++ *
++ * (c) by the OLSR project
++ *
++ * See our Git repository to find out who worked on this file
++ * and thus is a copyright holder on it.
++ *
++ * All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ *
++ * * Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * * Redistributions in binary form must reproduce the above copyright
++ * notice, this list of conditions and the following disclaimer in
++ * the documentation and/or other materials provided with the
++ * distribution.
++ * * Neither the name of olsr.org, olsrd nor the names of its
++ * contributors may be used to endorse or promote products derived
++ * from this software without specific prior written permission.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
++ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
++ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
++ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
++ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
++ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
++ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
++ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
++ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
++ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
++ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
++ * POSSIBILITY OF SUCH DAMAGE.
++ *
++ * Visit http://www.olsr.org for more information.
++ *
++ * If you find this software useful feel free to make a donation
++ * to the project. For more information see the website or contact
++ * the copyright holders.
++ *
++ */
++
++#include <stddef.h>
++#include <time.h>
++#include <string.h>
++
++#include "ipcalc.h"
++#include "common/olsrd_avl.h"
++#include "net_olsr.h"
++
++/*
++ * default comparison pointers
++ * set to the respective compare function.
++ * if olsrd_avl_comp_default is set to zero, a fast
++ * INLINE ipv4 comparison will be executed.
++ */
++olsrd_avl_tree_comp olsrd_avl_comp_default = NULL;
++olsrd_avl_tree_comp olsrd_avl_comp_prefix_default;
++
++int
++olsrd_avl_comp_ipv4(const void *ip1, const void *ip2)
++{
++ return ip4cmp(ip1, ip2);
++}
++
++int
++olsrd_avl_comp_ipv6(const void *ip1, const void *ip2)
++{
++ return ip6cmp(ip1, ip2);
++}
++
++int
++olsrd_avl_comp_mac(const void *ip1, const void *ip2)
++{
++ return memcmp(ip1, ip2, 6);
++}
++
++void
++olsrd_avl_init(struct olsrd_avl_tree *tree, olsrd_avl_tree_comp comp)
++{
++ tree->root = NULL;
++ tree->first = NULL;
++ tree->last = NULL;
++ tree->count = 0;
++
++ tree->comp = comp == olsrd_avl_comp_ipv4 ? NULL : comp;
++}
++
++static struct olsrd_avl_node *
++olsrd_avl_find_rec_ipv4(struct olsrd_avl_node *node, const void *key)
++{
++ if (*(const unsigned int *)key < *(const unsigned int *)node->key) {
++ if (node->left != NULL)
++ return olsrd_avl_find_rec_ipv4(node->left, key);
++ }
++
++ else if (*(const unsigned int *)key > *(const unsigned int *)node->key) {
++ if (node->right != NULL)
++ return olsrd_avl_find_rec_ipv4(node->right, key);
++ }
++
++ return node;
++}
++
++static struct olsrd_avl_node *
++olsrd_avl_find_rec(struct olsrd_avl_node *node, const void *key, olsrd_avl_tree_comp comp)
++{
++ int diff;
++
++ if (NULL == comp)
++ return olsrd_avl_find_rec_ipv4(node, key);
++
++ diff = (*comp) (key, node->key);
++
++ if (diff < 0) {
++ if (node->left != NULL)
++ return olsrd_avl_find_rec(node->left, key, comp);
++
++ return node;
++ }
++
++ if (diff > 0) {
++ if (node->right != NULL)
++ return olsrd_avl_find_rec(node->right, key, comp);
++
++ return node;
++ }
++
++ return node;
++}
++
++struct olsrd_avl_node *
++olsrd_avl_find(struct olsrd_avl_tree *tree, const void *key)
++{
++ struct olsrd_avl_node *node;
++
++ if (tree->root == NULL)
++ return NULL;
++
++ node = olsrd_avl_find_rec(tree->root, key, tree->comp);
++
++ if (NULL == tree->comp) {
++ if (0 != ip4cmp(node->key, key))
++ return NULL;
++ }
++
++ else {
++ if ((*tree->comp) (node->key, key) != 0)
++ return NULL;
++ }
++
++ return node;
++}
++
++static void
++olsrd_avl_rotate_right(struct olsrd_avl_tree *tree, struct olsrd_avl_node *node)
++{
++ struct olsrd_avl_node *left, *parent;
++
++ left = node->left;
++ parent = node->parent;
++
++ left->parent = parent;
++ node->parent = left;
++
++ if (parent == NULL)
++ tree->root = left;
++
++ else {
++ if (parent->left == node)
++ parent->left = left;
++
++ else
++ parent->right = left;
++ }
++
++ node->left = left->right;
++ left->right = node;
++
++ if (node->left != NULL)
++ node->left->parent = node;
++
++ node->balance += 1 - MIN(left->balance, 0);
++ left->balance += 1 + MAX(node->balance, 0);
++}
++
++static void
++olsrd_avl_rotate_left(struct olsrd_avl_tree *tree, struct olsrd_avl_node *node)
++{
++ struct olsrd_avl_node *right, *parent;
++
++ right = node->right;
++ parent = node->parent;
++
++ right->parent = parent;
++ node->parent = right;
++
++ if (parent == NULL)
++ tree->root = right;
++
++ else {
++ if (parent->left == node)
++ parent->left = right;
++
++ else
++ parent->right = right;
++ }
++
++ node->right = right->left;
++ right->left = node;
++
++ if (node->right != NULL)
++ node->right->parent = node;
++
++ node->balance -= 1 + MAX(right->balance, 0);
++ right->balance -= 1 - MIN(node->balance, 0);
++}
++
++static void
++post_insert(struct olsrd_avl_tree *tree, struct olsrd_avl_node *node)
++{
++ struct olsrd_avl_node *parent = node->parent;
++
++ if (parent == NULL)
++ return;
++
++ if (node == parent->left) {
++ parent->balance--;
++
++ if (parent->balance == 0)
++ return;
++
++ if (parent->balance == -1) {
++ post_insert(tree, parent);
++ return;
++ }
++
++ if (node->balance == -1) {
++ olsrd_avl_rotate_right(tree, parent);
++ return;
++ }
++
++ olsrd_avl_rotate_left(tree, node);
++ olsrd_avl_rotate_right(tree, node->parent->parent);
++ return;
++ }
++
++ parent->balance++;
++
++ if (parent->balance == 0)
++ return;
++
++ if (parent->balance == 1) {
++ post_insert(tree, parent);
++ return;
++ }
++
++ if (node->balance == 1) {
++ olsrd_avl_rotate_left(tree, parent);
++ return;
++ }
++
++ olsrd_avl_rotate_right(tree, node);
++ olsrd_avl_rotate_left(tree, node->parent->parent);
++}
++
++static void
++olsrd_avl_insert_before(struct olsrd_avl_tree *tree, struct olsrd_avl_node *pos_node, struct olsrd_avl_node *node)
++{
++ if (pos_node->prev != NULL)
++ pos_node->prev->next = node;
++ else
++ tree->first = node;
++
++ node->prev = pos_node->prev;
++ node->next = pos_node;
++
++ pos_node->prev = node;
++
++ tree->count++;
++}
++
++static void
++olsrd_avl_insert_after(struct olsrd_avl_tree *tree, struct olsrd_avl_node *pos_node, struct olsrd_avl_node *node)
++{
++ if (pos_node->next != NULL)
++ pos_node->next->prev = node;
++ else
++ tree->last = node;
++
++ node->prev = pos_node;
++ node->next = pos_node->next;
++
++ pos_node->next = node;
++
++ tree->count++;
++}
++
++static void
++olsrd_avl_remove(struct olsrd_avl_tree *tree, struct olsrd_avl_node *node)
++{
++ if (node->prev != NULL)
++ node->prev->next = node->next;
++ else
++ tree->first = node->next;
++
++ if (node->next != NULL)
++ node->next->prev = node->prev;
++ else
++ tree->last = node->prev;
++
++ tree->count--;
++}
++
++int
++olsrd_avl_insert(struct olsrd_avl_tree *tree, struct olsrd_avl_node *new, int allow_duplicates)
++{
++ struct olsrd_avl_node *node;
++ struct olsrd_avl_node *last;
++ int diff;
++
++ new->parent = NULL;
++
++ new->left = NULL;
++ new->right = NULL;
++
++ new->next = NULL;
++ new->prev = NULL;
++
++ new->balance = 0;
++ new->leader = 1;
++
++ if (tree->root == NULL) {
++ tree->root = new;
++ tree->first = new;
++ tree->last = new;
++ tree->count = 1;
++ return 0;
++ }
++
++ node = olsrd_avl_find_rec(tree->root, new->key, tree->comp);
++
++ last = node;
++
++ while (last->next != NULL && last->next->leader == 0)
++ last = last->next;
++
++ if (NULL == tree->comp)
++ diff = ip4cmp(new->key, node->key);
++
++ else
++ diff = (*tree->comp) (new->key, node->key);
++
++ if (diff == 0) {
++ if (allow_duplicates == OLSRD_AVL_DUP_NO)
++ return -1;
++
++ new->leader = 0;
++
++ olsrd_avl_insert_after(tree, last, new);
++ return 0;
++ }
++
++ if (node->balance == 1) {
++ olsrd_avl_insert_before(tree, node, new);
++
++ node->balance = 0;
++ new->parent = node;
++ node->left = new;
++ return 0;
++ }
++
++ if (node->balance == -1) {
++ olsrd_avl_insert_after(tree, last, new);
++
++ node->balance = 0;
++ new->parent = node;
++ node->right = new;
++ return 0;
++ }
++
++ if (diff < 0) {
++ olsrd_avl_insert_before(tree, node, new);
++
++ node->balance = -1;
++ new->parent = node;
++ node->left = new;
++ post_insert(tree, node);
++ return 0;
++ }
++
++ olsrd_avl_insert_after(tree, last, new);
++
++ node->balance = 1;
++ new->parent = node;
++ node->right = new;
++ post_insert(tree, node);
++ return 0;
++}
++
++static void
++olsrd_avl_post_delete(struct olsrd_avl_tree *tree, struct olsrd_avl_node *node)
++{
++ struct olsrd_avl_node *parent;
++
++ if ((parent = node->parent) == NULL)
++ return;
++
++ if (node == parent->left) {
++ parent->balance++;
++
++ if (parent->balance == 0) {
++ olsrd_avl_post_delete(tree, parent);
++ return;
++ }
++
++ if (parent->balance == 1)
++ return;
++
++ if (parent->right->balance == 0) {
++ olsrd_avl_rotate_left(tree, parent);
++ return;
++ }
++
++ if (parent->right->balance == 1) {
++ olsrd_avl_rotate_left(tree, parent);
++ olsrd_avl_post_delete(tree, parent->parent);
++ return;
++ }
++
++ olsrd_avl_rotate_right(tree, parent->right);
++ olsrd_avl_rotate_left(tree, parent);
++ olsrd_avl_post_delete(tree, parent->parent);
++ return;
++ }
++
++ parent->balance--;
++
++ if (parent->balance == 0) {
++ olsrd_avl_post_delete(tree, parent);
++ return;
++ }
++
++ if (parent->balance == -1)
++ return;
++
++ if (parent->left->balance == 0) {
++ olsrd_avl_rotate_right(tree, parent);
++ return;
++ }
++
++ if (parent->left->balance == -1) {
++ olsrd_avl_rotate_right(tree, parent);
++ olsrd_avl_post_delete(tree, parent->parent);
++ return;
++ }
++
++ olsrd_avl_rotate_left(tree, parent->left);
++ olsrd_avl_rotate_right(tree, parent);
++ olsrd_avl_post_delete(tree, parent->parent);
++}
++
++static struct olsrd_avl_node *
++olsrd_avl_local_min(struct olsrd_avl_node *node)
++{
++ while (node->left != NULL)
++ node = node->left;
++
++ return node;
++}
++
++static void
++olsrd_avl_delete_worker(struct olsrd_avl_tree *tree, struct olsrd_avl_node *node)
++{
++ struct olsrd_avl_node *parent, *min;
++
++ parent = node->parent;
++
++ if (node->left == NULL && node->right == NULL) {
++ if (parent == NULL) {
++ tree->root = NULL;
++ return;
++ }
++
++ if (parent->left == node) {
++ parent->left = NULL;
++ parent->balance++;
++
++ if (parent->balance == 1)
++ return;
++
++ if (parent->balance == 0) {
++ olsrd_avl_post_delete(tree, parent);
++ return;
++ }
++
++ if (parent->right->balance == 0) {
++ olsrd_avl_rotate_left(tree, parent);
++ return;
++ }
++
++ if (parent->right->balance == 1) {
++ olsrd_avl_rotate_left(tree, parent);
++ olsrd_avl_post_delete(tree, parent->parent);
++ return;
++ }
++
++ olsrd_avl_rotate_right(tree, parent->right);
++ olsrd_avl_rotate_left(tree, parent);
++ olsrd_avl_post_delete(tree, parent->parent);
++ }
++ else {
++ parent->right = NULL;
++ parent->balance--;
++
++ if (parent->balance == -1)
++ return;
++
++ if (parent->balance == 0) {
++ olsrd_avl_post_delete(tree, parent);
++ return;
++ }
++
++ if (parent->left->balance == 0) {
++ olsrd_avl_rotate_right(tree, parent);
++ return;
++ }
++
++ if (parent->left->balance == -1) {
++ olsrd_avl_rotate_right(tree, parent);
++ olsrd_avl_post_delete(tree, parent->parent);
++ return;
++ }
++
++ olsrd_avl_rotate_left(tree, parent->left);
++ olsrd_avl_rotate_right(tree, parent);
++ olsrd_avl_post_delete(tree, parent->parent);
++ }
++ return;
++ }
++
++ if (node->left == NULL) {
++ if (parent == NULL) {
++ tree->root = node->right;
++ node->right->parent = NULL;
++ return;
++ }
++
++ node->right->parent = parent;
++
++ if (parent->left == node)
++ parent->left = node->right;
++
++ else
++ parent->right = node->right;
++
++ olsrd_avl_post_delete(tree, node->right);
++ return;
++ }
++
++ if (node->right == NULL) {
++ if (parent == NULL) {
++ tree->root = node->left;
++ node->left->parent = NULL;
++ return;
++ }
++
++ node->left->parent = parent;
++
++ if (parent->left == node)
++ parent->left = node->left;
++
++ else
++ parent->right = node->left;
++
++ olsrd_avl_post_delete(tree, node->left);
++ return;
++ }
++
++ min = olsrd_avl_local_min(node->right);
++ olsrd_avl_delete_worker(tree, min);
++ parent = node->parent;
++
++ min->balance = node->balance;
++ min->parent = parent;
++ min->left = node->left;
++ min->right = node->right;
++
++ if (min->left != NULL)
++ min->left->parent = min;
++
++ if (min->right != NULL)
++ min->right->parent = min;
++
++ if (parent == NULL) {
++ tree->root = min;
++ return;
++ }
++
++ if (parent->left == node) {
++ parent->left = min;
++ return;
++ }
++
++ parent->right = min;
++}
++
++void
++olsrd_avl_delete(struct olsrd_avl_tree *tree, struct olsrd_avl_node *node)
++{
++ struct olsrd_avl_node *next;
++ struct olsrd_avl_node *parent;
++ struct olsrd_avl_node *left;
++ struct olsrd_avl_node *right;
++
++ if (node->leader != 0) {
++ next = node->next;
++
++ if (next != NULL && next->leader == 0) {
++ next->leader = 1;
++ next->balance = node->balance;
++
++ parent = node->parent;
++ left = node->left;
++ right = node->right;
++
++ next->parent = parent;
++ next->left = left;
++ next->right = right;
++
++ if (parent == NULL)
++ tree->root = next;
++
++ else {
++ if (node == parent->left)
++ parent->left = next;
++
++ else
++ parent->right = next;
++ }
++
++ if (left != NULL)
++ left->parent = next;
++
++ if (right != NULL)
++ right->parent = next;
++ }
++
++ else
++ olsrd_avl_delete_worker(tree, node);
++ }
++
++ olsrd_avl_remove(tree, node);
++}
++
++/*
++ * Local Variables:
++ * c-basic-offset: 2
++ * indent-tabs-mode: nil
++ * End:
++ */
+--- a/src/common/avl.h
++++ /dev/null
+@@ -1,183 +0,0 @@
+-/*
+- * The olsr.org Optimized Link-State Routing daemon (olsrd)
+- *
+- * (c) by the OLSR project
+- *
+- * See our Git repository to find out who worked on this file
+- * and thus is a copyright holder on it.
+- *
+- * All rights reserved.
+- *
+- * Redistribution and use in source and binary forms, with or without
+- * modification, are permitted provided that the following conditions
+- * are met:
+- *
+- * * Redistributions of source code must retain the above copyright
+- * notice, this list of conditions and the following disclaimer.
+- * * Redistributions in binary form must reproduce the above copyright
+- * notice, this list of conditions and the following disclaimer in
+- * the documentation and/or other materials provided with the
+- * distribution.
+- * * Neither the name of olsr.org, olsrd nor the names of its
+- * contributors may be used to endorse or promote products derived
+- * from this software without specific prior written permission.
+- *
+- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+- * POSSIBILITY OF SUCH DAMAGE.
+- *
+- * Visit http://www.olsr.org for more information.
+- *
+- * If you find this software useful feel free to make a donation
+- * to the project. For more information see the website or contact
+- * the copyright holders.
+- *
+- */
+-
+-#ifndef _AVL_H
+-#define _AVL_H
+-
+-#include <stddef.h>
+-#include "compiler.h"
+-#include "defs.h"
+-
+-struct avl_node {
+- struct avl_node *parent;
+- struct avl_node *left;
+- struct avl_node *right;
+- struct avl_node *next;
+- struct avl_node *prev;
+- void *key;
+- signed char balance;
+- unsigned char leader;
+-};
+-
+-typedef int (*avl_tree_comp) (const void *, const void *);
+-
+-struct avl_tree {
+- struct avl_node *root;
+- struct avl_node *first;
+- struct avl_node *last;
+- unsigned int count;
+- avl_tree_comp comp;
+-};
+-
+-#define AVL_DUP 1
+-#define AVL_DUP_NO 0
+-
+-void avl_init(struct avl_tree *, avl_tree_comp);
+-struct avl_node *avl_find(struct avl_tree *, const void *);
+-int avl_insert(struct avl_tree *, struct avl_node *, int);
+-void avl_delete(struct avl_tree *, struct avl_node *);
+-
+-static INLINE struct avl_node *
+-avl_walk_first(struct avl_tree *tree)
+-{
+- if (!tree) {
+- return NULL;
+- }
+-
+- return tree->first;
+-}
+-static INLINE struct avl_node *
+-avl_walk_last(struct avl_tree *tree)
+-{
+- if (!tree) {
+- return NULL;
+- }
+-
+- return tree->last;
+-}
+-static INLINE struct avl_node *
+-avl_walk_next(struct avl_node *node)
+-{
+- if (!node) {
+- return NULL;
+- }
+-
+- return node->next;
+-}
+-static INLINE struct avl_node *
+-avl_walk_prev(struct avl_node *node)
+-{
+- if (!node) {
+- return NULL;
+- }
+-
+- return node->prev;
+-}
+-
+-/* and const versions*/
+-static INLINE const struct avl_node *
+-avl_walk_first_c(const struct avl_tree *tree)
+-{
+- if (!tree) {
+- return NULL;
+- }
+-
+- return tree->first;
+-}
+-static INLINE const struct avl_node *
+-avl_walk_last_c(const struct avl_tree *tree)
+-{
+- if (!tree) {
+- return NULL;
+- }
+-
+- return tree->last;
+-}
+-static INLINE const struct avl_node *
+-avl_walk_next_c(const struct avl_node *node)
+-{
+- if (!node) {
+- return NULL;
+- }
+-
+- return node->next;
+-}
+-static INLINE const struct avl_node *
+-avl_walk_prev_c(const struct avl_node *node)
+-{
+- if (!node) {
+- return NULL;
+- }
+-
+- return node->prev;
+-}
+-
+-extern avl_tree_comp avl_comp_default;
+-extern avl_tree_comp avl_comp_prefix_default;
+-extern int avl_comp_ipv4(const void *, const void *);
+-extern int avl_comp_ipv6(const void *, const void *);
+-extern int avl_comp_mac(const void *, const void *);
+-
+-/*
+- * Macro to define an INLINE function to map from a list_node offset back to the
+- * base of the datastructure. That way you save an extra data pointer.
+- */
+-#define AVLNODE2STRUCT(funcname, structname, avlnodename) \
+-static INLINE structname * funcname (struct avl_node *ptr)\
+-{\
+- return( \
+- ptr ? \
+- (structname *) (((size_t) ptr) - offsetof(structname, avlnodename)) : \
+- NULL); \
+-}
+-
+-#endif /* _AVL_H */
+-
+-/*
+- * Local Variables:
+- * c-basic-offset: 2
+- * indent-tabs-mode: nil
+- * End:
+- */
+--- /dev/null
++++ b/src/common/olsrd_avl.h
+@@ -0,0 +1,183 @@
++/*
++ * The olsr.org Optimized Link-State Routing daemon (olsrd)
++ *
++ * (c) by the OLSR project
++ *
++ * See our Git repository to find out who worked on this file
++ * and thus is a copyright holder on it.
++ *
++ * All rights reserved.
++ *
++ * Redistribution and use in source and binary forms, with or without
++ * modification, are permitted provided that the following conditions
++ * are met:
++ *
++ * * Redistributions of source code must retain the above copyright
++ * notice, this list of conditions and the following disclaimer.
++ * * Redistributions in binary form must reproduce the above copyright
++ * notice, this list of conditions and the following disclaimer in
++ * the documentation and/or other materials provided with the
++ * distribution.
++ * * Neither the name of olsr.org, olsrd nor the names of its
++ * contributors may be used to endorse or promote products derived
++ * from this software without specific prior written permission.
++ *
++ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
++ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
++ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
++ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
++ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
++ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
++ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
++ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
++ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
++ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
++ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
++ * POSSIBILITY OF SUCH DAMAGE.
++ *
++ * Visit http://www.olsr.org for more information.
++ *
++ * If you find this software useful feel free to make a donation
++ * to the project. For more information see the website or contact
++ * the copyright holders.
++ *
++ */
++
++#ifndef _OLSRD_AVL_H
++#define _OLSRD_AVL_H
++
++#include <stddef.h>
++#include "compiler.h"
++#include "defs.h"
++
++struct olsrd_avl_node {
++ struct olsrd_avl_node *parent;
++ struct olsrd_avl_node *left;
++ struct olsrd_avl_node *right;
++ struct olsrd_avl_node *next;
++ struct olsrd_avl_node *prev;
++ void *key;
++ signed char balance;
++ unsigned char leader;
++};
++
++typedef int (*olsrd_avl_tree_comp) (const void *, const void *);
++
++struct olsrd_avl_tree {
++ struct olsrd_avl_node *root;
++ struct olsrd_avl_node *first;
++ struct olsrd_avl_node *last;
++ unsigned int count;
++ olsrd_avl_tree_comp comp;
++};
++
++#define OLSRD_AVL_DUP 1
++#define OLSRD_AVL_DUP_NO 0
++
++void olsrd_avl_init(struct olsrd_avl_tree *, olsrd_avl_tree_comp);
++struct olsrd_avl_node *olsrd_avl_find(struct olsrd_avl_tree *, const void *);
++int olsrd_avl_insert(struct olsrd_avl_tree *, struct olsrd_avl_node *, int);
++void olsrd_avl_delete(struct olsrd_avl_tree *, struct olsrd_avl_node *);
++
++static INLINE struct olsrd_avl_node *
++olsrd_avl_walk_first(struct olsrd_avl_tree *tree)
++{
++ if (!tree) {
++ return NULL;
++ }
++
++ return tree->first;
++}
++static INLINE struct olsrd_avl_node *
++olsrd_avl_walk_last(struct olsrd_avl_tree *tree)
++{
++ if (!tree) {
++ return NULL;
++ }
++
++ return tree->last;
++}
++static INLINE struct olsrd_avl_node *
++olsrd_avl_walk_next(struct olsrd_avl_node *node)
++{
++ if (!node) {
++ return NULL;
++ }
++
++ return node->next;
++}
++static INLINE struct olsrd_avl_node *
++olsrd_avl_walk_prev(struct olsrd_avl_node *node)
++{
++ if (!node) {
++ return NULL;
++ }
++
++ return node->prev;
++}
++
++/* and const versions*/
++static INLINE const struct olsrd_avl_node *
++olsrd_avl_walk_first_c(const struct olsrd_avl_tree *tree)
++{
++ if (!tree) {
++ return NULL;
++ }
++
++ return tree->first;
++}
++static INLINE const struct olsrd_avl_node *
++olsrd_avl_walk_last_c(const struct olsrd_avl_tree *tree)
++{
++ if (!tree) {
++ return NULL;
++ }
++
++ return tree->last;
++}
++static INLINE const struct olsrd_avl_node *
++olsrd_avl_walk_next_c(const struct olsrd_avl_node *node)
++{
++ if (!node) {
++ return NULL;
++ }
++
++ return node->next;
++}
++static INLINE const struct olsrd_avl_node *
++olsrd_avl_walk_prev_c(const struct olsrd_avl_node *node)
++{
++ if (!node) {
++ return NULL;
++ }
++
++ return node->prev;
++}
++
++extern olsrd_avl_tree_comp olsrd_avl_comp_default;
++extern olsrd_avl_tree_comp olsrd_avl_comp_prefix_default;
++extern int olsrd_avl_comp_ipv4(const void *, const void *);
++extern int olsrd_avl_comp_ipv6(const void *, const void *);
++extern int olsrd_avl_comp_mac(const void *, const void *);
++
++/*
++ * Macro to define an INLINE function to map from a list_node offset back to the
++ * base of the datastructure. That way you save an extra data pointer.
++ */
++#define OLSRD_AVLNODE2STRUCT(funcname, structname, olsrd_avlnodename) \
++static INLINE structname * funcname (struct olsrd_avl_node *ptr)\
++{\
++ return( \
++ ptr ? \
++ (structname *) (((size_t) ptr) - offsetof(structname, olsrd_avlnodename)) : \
++ NULL); \
++}
++
++#endif /* _OLSRD_AVL_H */
++
++/*
++ * Local Variables:
++ * c-basic-offset: 2
++ * indent-tabs-mode: nil
++ * End:
++ */
+--- a/src/duplicate_set.c
++++ b/src/duplicate_set.c
+@@ -45,7 +45,7 @@
+
+ #include "duplicate_set.h"
+ #include "ipcalc.h"
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+ #include "olsr.h"
+ #include "mid_set.h"
+ #include "scheduler.h"
+@@ -53,13 +53,13 @@
+
+ static void olsr_cleanup_duplicate_entry(void *unused);
+
+-struct avl_tree duplicate_set;
++struct olsrd_avl_tree duplicate_set;
+ struct timer_entry *duplicate_cleanup_timer;
+
+ void
+ olsr_init_duplicate_set(void)
+ {
+- avl_init(&duplicate_set, olsr_cnf->ip_version == AF_INET ? &avl_comp_ipv4 : &avl_comp_ipv6);
++ olsrd_avl_init(&duplicate_set, olsr_cnf->ip_version == AF_INET ? &olsrd_avl_comp_ipv4 : &olsrd_avl_comp_ipv6);
+
+ olsr_set_timer(&duplicate_cleanup_timer, DUPLICATE_CLEANUP_INTERVAL, DUPLICATE_CLEANUP_JITTER, OLSR_TIMER_PERIODIC,
+ &olsr_cleanup_duplicate_entry, NULL, 0);
+@@ -68,7 +68,7 @@ olsr_init_duplicate_set(void)
+ void olsr_cleanup_duplicates(union olsr_ip_addr *orig) {
+ struct dup_entry *entry;
+
+- entry = (struct dup_entry *)avl_find(&duplicate_set, orig);
++ entry = (struct dup_entry *)olsrd_avl_find(&duplicate_set, orig);
+ if (entry != NULL) {
+ entry->too_low_counter = DUP_MAX_TOO_LOW - 2;
+ }
+@@ -83,7 +83,7 @@ olsr_create_duplicate_entry(void *ip, ui
+ memcpy(&entry->ip, ip, olsr_cnf->ip_version == AF_INET ? sizeof(entry->ip.v4) : sizeof(entry->ip.v6));
+ entry->seqnr = seqnr;
+ entry->too_low_counter = 0;
+- entry->avl.key = &entry->ip;
++ entry->olsrd_avl.key = &entry->ip;
+ entry->array = 0;
+ }
+ return entry;
+@@ -96,7 +96,7 @@ olsr_cleanup_duplicate_entry(void __attr
+
+ OLSR_FOR_ALL_DUP_ENTRIES(entry) {
+ if (TIMED_OUT(entry->valid_until)) {
+- avl_delete(&duplicate_set, &entry->avl);
++ olsrd_avl_delete(&duplicate_set, &entry->olsrd_avl);
+ free(entry);
+ }
+ }
+@@ -143,11 +143,11 @@ olsr_message_is_duplicate(union olsr_mes
+
+ valid_until = GET_TIMESTAMP(DUPLICATE_VTIME);
+
+- entry = (struct dup_entry *)avl_find(&duplicate_set, ip);
++ entry = (struct dup_entry *)olsrd_avl_find(&duplicate_set, ip);
+ if (entry == NULL) {
+ entry = olsr_create_duplicate_entry(ip, seqnr);
+ if (entry != NULL) {
+- avl_insert(&duplicate_set, &entry->avl, 0);
++ olsrd_avl_insert(&duplicate_set, &entry->olsrd_avl, 0);
+ entry->valid_until = valid_until;
+ }
+ return false; // okay, we process this package
+@@ -209,7 +209,7 @@ olsr_print_duplicate_table(void)
+ olsr_wallclock_string(), ipwidth, "Node IP", "DupArray", "VTime");
+
+ OLSR_FOR_ALL_DUP_ENTRIES(entry) {
+- OLSR_PRINTF(1, "%-*s %08x %s\n", ipwidth, olsr_ip_to_string(&addrbuf, (union olsr_ip_addr *)(entry->avl.key)),
++ OLSR_PRINTF(1, "%-*s %08x %s\n", ipwidth, olsr_ip_to_string(&addrbuf, (union olsr_ip_addr *)(entry->olsrd_avl.key)),
+ entry->array, olsr_clock_string(entry->valid_until));
+ } OLSR_FOR_ALL_DUP_ENTRIES_END(entry);
+ }
+--- a/src/duplicate_set.h
++++ b/src/duplicate_set.h
+@@ -49,7 +49,7 @@
+ #include "defs.h"
+ #include "olsr.h"
+ #include "mantissa.h"
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+
+ #define DUPLICATE_CLEANUP_INTERVAL 15000
+ #define DUPLICATE_CLEANUP_JITTER 25
+@@ -57,7 +57,7 @@
+ #define DUP_MAX_TOO_LOW 16
+
+ struct dup_entry {
+- struct avl_node avl;
++ struct olsrd_avl_node olsrd_avl;
+ union olsr_ip_addr ip;
+ uint16_t seqnr;
+ uint16_t too_low_counter;
+@@ -65,7 +65,7 @@ struct dup_entry {
+ uint32_t valid_until;
+ };
+
+-AVLNODE2STRUCT(duptree2dupentry, struct dup_entry, avl);
++OLSRD_AVLNODE2STRUCT(duptree2dupentry, struct dup_entry, olsrd_avl);
+
+ void olsr_init_duplicate_set(void);
+ void olsr_cleanup_duplicates(union olsr_ip_addr *orig);
+@@ -80,10 +80,10 @@ void olsr_print_duplicate_table(void);
+
+ #define OLSR_FOR_ALL_DUP_ENTRIES(dup) \
+ { \
+- struct avl_node *dup_tree_node, *next_dup_tree_node; \
+- for (dup_tree_node = avl_walk_first(&duplicate_set); \
++ struct olsrd_avl_node *dup_tree_node, *next_dup_tree_node; \
++ for (dup_tree_node = olsrd_avl_walk_first(&duplicate_set); \
+ dup_tree_node; dup_tree_node = next_dup_tree_node) { \
+- next_dup_tree_node = avl_walk_next(dup_tree_node); \
++ next_dup_tree_node = olsrd_avl_walk_next(dup_tree_node); \
+ dup = duptree2dupentry(dup_tree_node);
+ #define OLSR_FOR_ALL_DUP_ENTRIES_END(dup) }}
+
+--- a/src/gateway.c
++++ b/src/gateway.c
+@@ -45,7 +45,7 @@
+
+ #ifdef __linux__
+
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+ #include "defs.h"
+ #include "ipcalc.h"
+ #include "olsr.h"
+@@ -89,7 +89,7 @@ static struct olsr_ip_prefix ipv4_slash_
+ static struct olsr_ip_prefix ipv4_slash_1_routes[2];
+
+ /** the gateway tree */
+-struct avl_tree gateway_tree;
++struct olsrd_avl_tree gateway_tree;
+
+ /** gateway cookie */
+ static struct olsr_cookie_info *gateway_entry_mem_cookie = NULL;
+@@ -713,7 +713,7 @@ static void cleanup_gateway_handler(void
+ }
+
+ /* remove gateway entry */
+- avl_delete(&gateway_tree, &gw->node);
++ olsrd_avl_delete(&gateway_tree, &gw->node);
+ olsr_cookie_free(gateway_entry_mem_cookie, gw);
+ }
+
+@@ -837,7 +837,7 @@ int olsr_init_gateways(void) {
+ gw_container_entry_mem_cookie = olsr_alloc_cookie("gw_container_entry_mem_cookie", OLSR_COOKIE_TYPE_MEMORY);
+ olsr_cookie_set_memory_size(gw_container_entry_mem_cookie, sizeof(struct gw_container_entry));
+
+- avl_init(&gateway_tree, avl_comp_default);
++ olsrd_avl_init(&gateway_tree, olsrd_avl_comp_default);
+
+ olsr_gw_list_init(&gw_list_ipv4, olsr_cnf->smart_gw_use_count);
+ olsr_gw_list_init(&gw_list_ipv6, olsr_cnf->smart_gw_use_count);
+@@ -1078,7 +1078,7 @@ void olsr_cleanup_gateways(void) {
+ OLSR_FOR_ALL_GWS_END(gw);
+
+ /* there should be no more gateways */
+- assert(!avl_walk_first(&gateway_tree));
++ assert(!olsrd_avl_walk_first(&gateway_tree));
+ assert(!current_ipv4_gw);
+ assert(!current_ipv6_gw);
+
+@@ -1244,14 +1244,14 @@ void olsr_update_gateway_entry(union ols
+ struct gw_container_entry * new_gw_in_list;
+ uint8_t *ptr;
+ int64_t prev_path_cost = 0;
+- struct gateway_entry *gw = node2gateway(avl_find(&gateway_tree, originator));
++ struct gateway_entry *gw = node2gateway(olsrd_avl_find(&gateway_tree, originator));
+
+ if (!gw) {
+ gw = olsr_cookie_malloc(gateway_entry_mem_cookie);
+ gw->originator = *originator;
+ gw->node.key = &gw->originator;
+
+- avl_insert(&gateway_tree, &gw->node, AVL_DUP_NO);
++ olsrd_avl_insert(&gateway_tree, &gw->node, OLSRD_AVL_DUP_NO);
+ } else if (olsr_seqno_diff(seqno, gw->seqno) <= 0) {
+ /* ignore older HNAs */
+ return;
+@@ -1353,7 +1353,7 @@ void olsr_update_gateway_entry(union ols
+ * gateway tree immediately, else it is removed on a delayed schedule.
+ */
+ void olsr_delete_gateway_entry(union olsr_ip_addr *originator, uint8_t prefixlen, bool immediate) {
+- olsr_delete_gateway_tree_entry(node2gateway(avl_find(&gateway_tree, originator)), prefixlen, immediate);
++ olsr_delete_gateway_tree_entry(node2gateway(olsrd_avl_find(&gateway_tree, originator)), prefixlen, immediate);
+ }
+
+ /**
+@@ -1526,7 +1526,7 @@ bool olsr_set_inet_gateway(struct gatewa
+ return true;
+ }
+
+- new_gw = node2gateway(avl_find(&gateway_tree, &chosen_gw->originator));
++ new_gw = node2gateway(olsrd_avl_find(&gateway_tree, &chosen_gw->originator));
+ if (!new_gw) {
+ /* the originator is not in the gateway tree, we can't set it as gateway */
+ return true;
+--- a/src/gateway.h
++++ b/src/gateway.h
+@@ -46,7 +46,7 @@
+ #ifndef GATEWAY_H_
+ #define GATEWAY_H_
+
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+ #include "common/list.h"
+ #include "defs.h"
+ #include "olsr.h"
+@@ -96,7 +96,7 @@ enum gateway_hna_fields {
+
+ /** a gateway entry */
+ struct gateway_entry {
+- struct avl_node node;
++ struct olsrd_avl_node node;
+ union olsr_ip_addr originator;
+ struct olsr_ip_prefix external_prefix;
+ uint32_t uplink;
+@@ -129,27 +129,27 @@ struct interfaceName {
+ #endif /* __linux__ */
+
+ /**
+- * static INLINE struct gateway_entry * node2gateway (struct avl_node *ptr)
++ * static INLINE struct gateway_entry * node2gateway (struct olsrd_avl_node *ptr)
+ *
+ * Converts a node into a gateway entry
+ */
+-AVLNODE2STRUCT(node2gateway, struct gateway_entry, node);
++OLSRD_AVLNODE2STRUCT(node2gateway, struct gateway_entry, node);
+
+ /**
+ * Loop over all gateway entries and put the iterated gateway entry in gw
+ */
+ #define OLSR_FOR_ALL_GATEWAY_ENTRIES(gw) \
+ { \
+- struct avl_node *gw_node, *next_gw_node; \
+- for (gw_node = avl_walk_first(&gateway_tree); \
++ struct olsrd_avl_node *gw_node, *next_gw_node; \
++ for (gw_node = olsrd_avl_walk_first(&gateway_tree); \
+ gw_node; gw_node = next_gw_node) { \
+- next_gw_node = avl_walk_next(gw_node); \
++ next_gw_node = olsrd_avl_walk_next(gw_node); \
+ gw = node2gateway(gw_node); \
+ if (gw) {
+ #define OLSR_FOR_ALL_GATEWAY_ENTRIES_END(gw) }}}
+
+ /** the gateway tree */
+-extern struct avl_tree gateway_tree;
++extern struct olsrd_avl_tree gateway_tree;
+
+ /** the list IPv4 gateways */
+ extern struct gw_list gw_list_ipv4;
+--- a/src/kernel_tunnel.h
++++ b/src/kernel_tunnel.h
+@@ -55,7 +55,7 @@
+
+ #include "defs.h"
+ #include "olsr_types.h"
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+
+ #define TUNNEL_ENDPOINT_IF "tunl0"
+ #define TUNNEL_ENDPOINT_IF6 "ip6tnl0"
+@@ -67,7 +67,7 @@
+ #endif
+
+ struct olsr_iptunnel_entry {
+- struct avl_node node;
++ struct olsrd_avl_node node;
+ union olsr_ip_addr target;
+
+ char if_name[IF_NAMESIZE];
+--- a/src/linux/kernel_tunnel.c
++++ b/src/linux/kernel_tunnel.c
+@@ -84,12 +84,12 @@
+
+ static bool store_iptunnel_state;
+ static struct olsr_cookie_info *tunnel_cookie;
+-static struct avl_tree tunnel_tree;
++static struct olsrd_avl_tree tunnel_tree;
+
+ int olsr_os_init_iptunnel(const char * dev) {
+ tunnel_cookie = olsr_alloc_cookie("iptunnel", OLSR_COOKIE_TYPE_MEMORY);
+ olsr_cookie_set_memory_size(tunnel_cookie, sizeof(struct olsr_iptunnel_entry));
+- avl_init(&tunnel_tree, avl_comp_default);
++ olsrd_avl_init(&tunnel_tree, olsrd_avl_comp_default);
+
+ store_iptunnel_state = olsr_if_isup(dev);
+ if (store_iptunnel_state) {
+@@ -107,7 +107,7 @@ void olsr_os_cleanup_iptunnel(const char
+ struct olsr_iptunnel_entry *t;
+
+ /* kill tunnel */
+- t = (struct olsr_iptunnel_entry *)avl_walk_first(&tunnel_tree);
++ t = (struct olsr_iptunnel_entry *)olsrd_avl_walk_first(&tunnel_tree);
+ t->usage = 1;
+
+ olsr_os_del_ipip_tunnel(t);
+@@ -201,7 +201,7 @@ struct olsr_iptunnel_entry *olsr_os_add_
+
+ assert(olsr_cnf->ip_version == AF_INET6 || transportV4);
+
+- t = (struct olsr_iptunnel_entry *)avl_find(&tunnel_tree, target);
++ t = (struct olsr_iptunnel_entry *)olsrd_avl_find(&tunnel_tree, target);
+ if (t == NULL) {
+ int if_idx;
+ struct ipaddr_str buf;
+@@ -228,7 +228,7 @@ struct olsr_iptunnel_entry *olsr_os_add_
+ strscpy(t->if_name, name, sizeof(t->if_name));
+ t->if_index = if_idx;
+
+- avl_insert(&tunnel_tree, &t->node, AVL_DUP_NO);
++ olsrd_avl_insert(&tunnel_tree, &t->node, OLSRD_AVL_DUP_NO);
+ }
+
+ t->usage++;
+@@ -253,7 +253,7 @@ void olsr_os_del_ipip_tunnel(struct olsr
+ olsr_if_set_state(t->if_name, false);
+ os_ip_tunnel(t->if_name, NULL);
+
+- avl_delete(&tunnel_tree, &t->node);
++ olsrd_avl_delete(&tunnel_tree, &t->node);
+ olsr_cookie_free(tunnel_cookie, t);
+ }
+ #endif /* __linux__ */
+--- a/src/lq_packet.c
++++ b/src/lq_packet.c
+@@ -272,16 +272,16 @@ create_lq_tc(struct lq_tc_message *lq_tc
+
+ /* Queue the neighbour entry. */
+
+- // TODO: ugly hack until neighbor table is ported to avl tree
++ // TODO: ugly hack until neighbor table is ported to olsrd_avl tree
+
+- if (lq_tc->neigh == NULL || avl_comp_default(&lq_tc->neigh->address, &neigh->address) > 0) {
++ if (lq_tc->neigh == NULL || olsrd_avl_comp_default(&lq_tc->neigh->address, &neigh->address) > 0) {
+ neigh->next = lq_tc->neigh;
+ lq_tc->neigh = neigh;
+ } else {
+ struct tc_mpr_addr *last = lq_tc->neigh, *n = last->next;
+
+ while (n) {
+- if (avl_comp_default(&n->address, &neigh->address) > 0) {
++ if (olsrd_avl_comp_default(&n->address, &neigh->address) > 0) {
+ break;
+ }
+ last = n;
+--- a/src/lq_plugin.c
++++ b/src/lq_plugin.c
+@@ -50,7 +50,7 @@
+ #include "packet.h"
+ #include "olsr.h"
+ #include "two_hop_neighbor_table.h"
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+
+ #include "lq_plugin_default_float.h"
+ #include "lq_plugin_default_fpm.h"
+@@ -64,17 +64,17 @@
+ #include <assert.h>
+ #include <math.h>
+
+-struct avl_tree lq_handler_tree;
++struct olsrd_avl_tree lq_handler_tree;
+ struct lq_handler *active_lq_handler = NULL;
+
+ /**
+- * case-insensitive string comparator for avl-trees
++ * case-insensitive string comparator for olsrd_avl-trees
+ * @param str1
+ * @param str2
+ * @return
+ */
+ int
+-avl_strcasecmp(const void *str1, const void *str2)
++olsrd_avl_strcasecmp(const void *str1, const void *str2)
+ {
+ return strcasecmp(str1, str2);
+ }
+@@ -88,7 +88,7 @@ activate_lq_handler(const char *name)
+ {
+ struct lq_handler_node *node;
+
+- node = (struct lq_handler_node *)avl_find(&lq_handler_tree, name);
++ node = (struct lq_handler_node *)olsrd_avl_find(&lq_handler_tree, name);
+ if (node == NULL) {
+ char buf[1024];
+ snprintf(buf, sizeof(buf), "Error, unknown lq_handler '%s'", name);
+@@ -106,7 +106,7 @@ activate_lq_handler(const char *name)
+ void
+ init_lq_handler_tree(void)
+ {
+- avl_init(&lq_handler_tree, &avl_strcasecmp);
++ olsrd_avl_init(&lq_handler_tree, &olsrd_avl_strcasecmp);
+ register_lq_handler(&lq_etx_float_handler, LQ_ALGORITHM_ETX_FLOAT_NAME);
+ register_lq_handler(&lq_etx_fpm_handler, LQ_ALGORITHM_ETX_FPM_NAME);
+ register_lq_handler(&lq_etx_ff_handler, LQ_ALGORITHM_ETX_FF_NAME);
+@@ -147,7 +147,7 @@ register_lq_handler(struct lq_handler *h
+ node->node.key = node->name;
+ node->handler = handler;
+
+- avl_insert(&lq_handler_tree, &node->node, false);
++ olsrd_avl_insert(&lq_handler_tree, &node->node, false);
+ }
+
+ /**
+--- a/src/lq_plugin.h
++++ b/src/lq_plugin.h
+@@ -51,7 +51,7 @@
+ #include "olsr_spf.h"
+ #include "lq_packet.h"
+ #include "packet.h"
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+
+ #define LINK_COST_BROKEN (1u<<22)
+ #define ROUTE_COST_BROKEN (0xffffffffu)
+@@ -97,23 +97,23 @@ struct lq_handler {
+ };
+
+ struct lq_handler_node {
+- struct avl_node node;
++ struct olsrd_avl_node node;
+ struct lq_handler *handler;
+ char name[0];
+ };
+
+-AVLNODE2STRUCT(lq_handler_tree2lq_handler_node, struct lq_handler_node, node);
++OLSRD_AVLNODE2STRUCT(lq_handler_tree2lq_handler_node, struct lq_handler_node, node);
+
+ #define OLSR_FOR_ALL_LQ_HANDLERS(lq) \
+ { \
+- struct avl_node *lq_tree_node, *next_lq_tree_node; \
+- for (lq_tree_node = avl_walk_first(&lq_handler_tree); \
++ struct olsrd_avl_node *lq_tree_node, *next_lq_tree_node; \
++ for (lq_tree_node = olsrd_avl_walk_first(&lq_handler_tree); \
+ lq_tree_node; lq_tree_node = next_lq_tree_node) { \
+- next_lq_tree_node = avl_walk_next(lq_tree_node); \
++ next_lq_tree_node = olsrd_avl_walk_next(lq_tree_node); \
+ lq = lq_handler_tree2lq_handler_node(lq_tree_node);
+ #define OLSR_FOR_ALL_LQ_HANDLERS_END(tc) }}
+
+-int avl_strcasecmp(const void *str1, const void *str2);
++int olsrd_avl_strcasecmp(const void *str1, const void *str2);
+ void init_lq_handler_tree(void);
+
+ void register_lq_handler(struct lq_handler *handler, const char *name);
+--- a/src/olsr.c
++++ b/src/olsr.c
+@@ -65,7 +65,7 @@
+ #include "neighbor_table.h"
+ #include "log.h"
+ #include "lq_packet.h"
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+ #include "net_olsr.h"
+ #include "lq_plugin.h"
+ #include "gateway.h"
+@@ -260,13 +260,13 @@ olsr_init_tables(void)
+ changes_neighborhood = false;
+ changes_hna = false;
+
+- /* Set avl tree comparator */
++ /* Set olsrd_avl tree comparator */
+ if (olsr_cnf->ipsize == 4) {
+- avl_comp_default = avl_comp_ipv4;
+- avl_comp_prefix_default = avl_comp_ipv4_prefix;
++ olsrd_avl_comp_default = olsrd_avl_comp_ipv4;
++ olsrd_avl_comp_prefix_default = olsrd_avl_comp_ipv4_prefix;
+ } else {
+- avl_comp_default = avl_comp_ipv6;
+- avl_comp_prefix_default = avl_comp_ipv6_prefix;
++ olsrd_avl_comp_default = olsrd_avl_comp_ipv6;
++ olsrd_avl_comp_prefix_default = olsrd_avl_comp_ipv6_prefix;
+ }
+
+ /* Initialize lq plugin set */
+--- a/src/olsr_spf.c
++++ b/src/olsr_spf.c
+@@ -47,7 +47,7 @@
+ * Implementation of Dijkstras algorithm. Initially all nodes
+ * are initialized to infinite cost. First we put ourselves
+ * on the heap of reachable nodes. Our heap implementation
+- * is based on an AVL tree which gives interesting performance
++ * is based on an OLSRD_AVL tree which gives interesting performance
+ * characteristics for the frequent operations of minimum key
+ * extraction and re-keying. Next all neighbors of a node are
+ * explored and put on the heap if the cost of reaching them is
+@@ -67,7 +67,7 @@
+ #include "mid_set.h"
+ #include "hna_set.h"
+ #include "common/list.h"
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+ #include "olsr_spf.h"
+ #include "net_olsr.h"
+ #include "lq_plugin.h"
+@@ -80,7 +80,7 @@
+ struct timer_entry *spf_backoff_timer = NULL;
+
+ /*
+- * avl_comp_etx
++ * olsrd_avl_comp_etx
+ *
+ * compare two etx metrics.
+ * return 0 if there is an exact match and
+@@ -89,7 +89,7 @@ struct timer_entry *spf_backoff_timer =
+ * after compiler optimization.
+ */
+ static int
+-avl_comp_etx(const void *etx1, const void *etx2)
++olsrd_avl_comp_etx(const void *etx1, const void *etx2)
+ {
+ if (*(const olsr_linkcost *)etx1 < *(const olsr_linkcost *)etx2) {
+ return -1;
+@@ -108,7 +108,7 @@ avl_comp_etx(const void *etx1, const voi
+ * Key an existing vertex to a candidate tree.
+ */
+ static void
+-olsr_spf_add_cand_tree(struct avl_tree *tree, struct tc_entry *tc)
++olsr_spf_add_cand_tree(struct olsrd_avl_tree *tree, struct tc_entry *tc)
+ {
+ #if !defined(NODEBUG) && defined(DEBUG)
+ struct ipaddr_str buf;
+@@ -121,7 +121,7 @@ olsr_spf_add_cand_tree(struct avl_tree *
+ get_linkcost_text(tc->path_cost, true, &lqbuffer));
+ #endif /* DEBUG */
+
+- avl_insert(tree, &tc->cand_tree_node, AVL_DUP);
++ olsrd_avl_insert(tree, &tc->cand_tree_node, OLSRD_AVL_DUP);
+ }
+
+ /*
+@@ -130,7 +130,7 @@ olsr_spf_add_cand_tree(struct avl_tree *
+ * Unkey an existing vertex from a candidate tree.
+ */
+ static void
+-olsr_spf_del_cand_tree(struct avl_tree *tree, struct tc_entry *tc)
++olsr_spf_del_cand_tree(struct olsrd_avl_tree *tree, struct tc_entry *tc)
+ {
+
+ #ifdef DEBUG
+@@ -142,7 +142,7 @@ olsr_spf_del_cand_tree(struct avl_tree *
+ get_linkcost_text(tc->path_cost, true, &lqbuffer));
+ #endif /* DEBUG */
+
+- avl_delete(tree, &tc->cand_tree_node);
++ olsrd_avl_delete(tree, &tc->cand_tree_node);
+ }
+
+ /*
+@@ -175,9 +175,9 @@ olsr_spf_add_path_list(struct list_node
+ * return the node with the minimum pathcost.
+ */
+ static struct tc_entry *
+-olsr_spf_extract_best(struct avl_tree *tree)
++olsr_spf_extract_best(struct olsrd_avl_tree *tree)
+ {
+- struct avl_node *node = avl_walk_first(tree);
++ struct olsrd_avl_node *node = olsrd_avl_walk_first(tree);
+
+ return (node ? cand_tree2tc(node) : NULL);
+ }
+@@ -190,9 +190,9 @@ olsr_spf_extract_best(struct avl_tree *t
+ * path cost is better.
+ */
+ static void
+-olsr_spf_relax(struct avl_tree *cand_tree, struct tc_entry *tc)
++olsr_spf_relax(struct olsrd_avl_tree *cand_tree, struct tc_entry *tc)
+ {
+- struct avl_node *edge_node;
++ struct olsrd_avl_node *edge_node;
+ olsr_linkcost new_cost;
+
+ #ifdef DEBUG
+@@ -207,7 +207,7 @@ olsr_spf_relax(struct avl_tree *cand_tre
+ /*
+ * loop through all edges of this vertex.
+ */
+- for (edge_node = avl_walk_first(&tc->edge_tree); edge_node; edge_node = avl_walk_next(edge_node)) {
++ for (edge_node = olsrd_avl_walk_first(&tc->edge_tree); edge_node; edge_node = olsrd_avl_walk_next(edge_node)) {
+
+ struct tc_entry *new_tc;
+ struct tc_edge_entry *tc_edge = edge_tree2tc_edge(edge_node);
+@@ -289,7 +289,7 @@ olsr_spf_relax(struct avl_tree *cand_tre
+ * on the candidate tree.
+ */
+ static void
+-olsr_spf_run_full(struct avl_tree *cand_tree, struct list_node *path_list, int *path_count)
++olsr_spf_run_full(struct olsrd_avl_tree *cand_tree, struct list_node *path_list, int *path_count)
+ {
+ struct tc_entry *tc;
+
+@@ -335,8 +335,8 @@ olsr_calculate_routing_table(bool force)
+ #ifdef SPF_PROFILING
+ struct timespec t1, t2, t3, t4, t5, spf_init, spf_run, route, kernel, total;
+ #endif /* SPF_PROFILING */
+- struct avl_tree cand_tree;
+- struct avl_node *rtp_tree_node;
++ struct olsrd_avl_tree cand_tree;
++ struct olsrd_avl_node *rtp_tree_node;
+ struct list_node path_list; /* head of the path_list */
+ struct tc_entry *tc;
+ struct rt_path *rtp;
+@@ -362,7 +362,7 @@ olsr_calculate_routing_table(bool force)
+ /*
+ * Prepare the candidate tree and result list.
+ */
+- avl_init(&cand_tree, avl_comp_etx);
++ olsrd_avl_init(&cand_tree, olsrd_avl_comp_etx);
+ list_head_init(&path_list);
+ olsr_bump_routingtree_version();
+
+@@ -493,7 +493,7 @@ olsr_calculate_routing_table(bool force)
+ * If the prefix is already in the RIB, refresh the entry such
+ * that olsr_delete_outdated_routes() does not purge it off.
+ */
+- for (rtp_tree_node = avl_walk_first(&tc->prefix_tree); rtp_tree_node; rtp_tree_node = avl_walk_next(rtp_tree_node)) {
++ for (rtp_tree_node = olsrd_avl_walk_first(&tc->prefix_tree); rtp_tree_node; rtp_tree_node = olsrd_avl_walk_next(rtp_tree_node)) {
+
+ rtp = rtp_prefix_tree2rtp(rtp_tree_node);
+
+--- a/src/process_routes.c
++++ b/src/process_routes.c
+@@ -48,7 +48,7 @@
+ #include "olsr.h"
+ #include "log.h"
+ #include "kernel_routes.h"
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+ #include "net_olsr.h"
+ #include "tc_set.h"
+ #include "olsr_cookie.h"
+@@ -289,13 +289,13 @@ static void
+ olsr_delete_outdated_routes(struct rt_entry *rt)
+ {
+ struct rt_path *rtp;
+- struct avl_node *rtp_tree_node, *next_rtp_tree_node;
++ struct olsrd_avl_node *rtp_tree_node, *next_rtp_tree_node;
+
+- for (rtp_tree_node = avl_walk_first(&rt->rt_path_tree); rtp_tree_node != NULL; rtp_tree_node = next_rtp_tree_node) {
++ for (rtp_tree_node = olsrd_avl_walk_first(&rt->rt_path_tree); rtp_tree_node != NULL; rtp_tree_node = next_rtp_tree_node) {
+ /*
+ * pre-fetch the next node before loosing context.
+ */
+- next_rtp_tree_node = avl_walk_next(rtp_tree_node);
++ next_rtp_tree_node = olsrd_avl_walk_next(rtp_tree_node);
+
+ rtp = rtp_tree2rtp(rtp_tree_node);
+
+@@ -305,7 +305,7 @@ olsr_delete_outdated_routes(struct rt_en
+ */
+ if (routingtree_version != rtp->rtp_version) {
+ /* remove from the originator tree */
+- avl_delete(&rt->rt_path_tree, rtp_tree_node);
++ olsrd_avl_delete(&rt->rt_path_tree, rtp_tree_node);
+ rtp->rtp_rt = NULL;
+
+ if (rt->rt_best == rtp) {
+@@ -341,7 +341,7 @@ olsr_update_rib_routes(void)
+
+ if (olsr_delete_kernel_route(rt) == 0) {
+ /*only remove if deletion was successful*/
+- avl_delete(&routingtree, &rt->rt_tree_node);
++ olsrd_avl_delete(&routingtree, &rt->rt_tree_node);
+ olsr_cookie_free(rt_mem_cookie, rt);
+ }
+
+@@ -370,21 +370,21 @@ olsr_delete_interface_routes(int if_inde
+ OLSR_FOR_ALL_RT_ENTRIES(rt) {
+ bool mightTrigger = false;
+ struct rt_path *rtp;
+- struct avl_node *rtp_tree_node, *next_rtp_tree_node;
++ struct olsrd_avl_node *rtp_tree_node, *next_rtp_tree_node;
+
+ /* run through all routing paths of route */
+- for (rtp_tree_node = avl_walk_first(&rt->rt_path_tree); rtp_tree_node != NULL; rtp_tree_node = next_rtp_tree_node) {
++ for (rtp_tree_node = olsrd_avl_walk_first(&rt->rt_path_tree); rtp_tree_node != NULL; rtp_tree_node = next_rtp_tree_node) {
+ /*
+ * pre-fetch the next node before loosing context.
+ */
+- next_rtp_tree_node = avl_walk_next(rtp_tree_node);
++ next_rtp_tree_node = olsrd_avl_walk_next(rtp_tree_node);
+
+ rtp = rtp_tree2rtp(rtp_tree_node);
+
+ /* nexthop use lost interface ? */
+ if (rtp->rtp_nexthop.iif_index == if_index) {
+ /* remove from the originator tree */
+- avl_delete(&rt->rt_path_tree, rtp_tree_node);
++ olsrd_avl_delete(&rt->rt_path_tree, rtp_tree_node);
+ rtp->rtp_rt = NULL;
+
+ if (rt->rt_best == rtp) {
+@@ -397,7 +397,7 @@ olsr_delete_interface_routes(int if_inde
+ if (mightTrigger) {
+ if (!rt->rt_path_tree.count) {
+ /* oops, all routes are gone - flush the route head */
+- avl_delete(&routingtree, rt_tree_node);
++ olsrd_avl_delete(&routingtree, rt_tree_node);
+
+ /* do not dequeue route because they are already gone */
+ }
+--- a/src/routing_table.c
++++ b/src/routing_table.c
+@@ -52,7 +52,7 @@
+ #include "neighbor_table.h"
+ #include "olsr.h"
+ #include "link_set.h"
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+ #include "olsr_spf.h"
+ #include "net_olsr.h"
+
+@@ -72,7 +72,7 @@ struct olsr_cookie_info *rtp_mem_cookie
+ static struct rt_path *current_inetgw = NULL;
+
+ /* Root of our RIB */
+-struct avl_tree routingtree;
++struct olsrd_avl_tree routingtree;
+
+ /*
+ * Keep a version number for detecting outdated elements
+@@ -95,7 +95,7 @@ olsr_bump_routingtree_version(void)
+ }
+
+ /**
+- * avl_comp_ipv4_prefix
++ * olsrd_avl_comp_ipv4_prefix
+ *
+ * compare two ipv4 prefixes.
+ * first compare the prefixes, then
+@@ -105,7 +105,7 @@ olsr_bump_routingtree_version(void)
+ * -1 / +1 depending on being smaller or bigger.
+ */
+ int
+-avl_comp_ipv4_prefix(const void *prefix1, const void *prefix2)
++olsrd_avl_comp_ipv4_prefix(const void *prefix1, const void *prefix2)
+ {
+ const struct olsr_ip_prefix *pfx1 = prefix1;
+ const struct olsr_ip_prefix *pfx2 = prefix2;
+@@ -132,7 +132,7 @@ avl_comp_ipv4_prefix(const void *prefix1
+ }
+
+ /**
+- * avl_comp_ipv6_prefix
++ * olsrd_avl_comp_ipv6_prefix
+ *
+ * compare two ipv6 prefixes.
+ * first compare the prefixes, then
+@@ -142,7 +142,7 @@ avl_comp_ipv4_prefix(const void *prefix1
+ * -1 / +1 depending on being smaller or bigger.
+ */
+ int
+-avl_comp_ipv6_prefix(const void *prefix1, const void *prefix2)
++olsrd_avl_comp_ipv6_prefix(const void *prefix1, const void *prefix2)
+ {
+ int res;
+ const struct olsr_ip_prefix *pfx1 = prefix1;
+@@ -173,7 +173,7 @@ olsr_init_routing_table(void)
+ OLSR_PRINTF(5, "RIB: init routing tree\n");
+
+ /* the routing tree */
+- avl_init(&routingtree, avl_comp_prefix_default);
++ olsrd_avl_init(&routingtree, olsrd_avl_comp_prefix_default);
+ routingtree_version = 0;
+
+ /*
+@@ -197,13 +197,13 @@ olsr_init_routing_table(void)
+ struct rt_entry *
+ olsr_lookup_routing_table(const union olsr_ip_addr *dst)
+ {
+- struct avl_node *rt_tree_node;
++ struct olsrd_avl_node *rt_tree_node;
+ struct olsr_ip_prefix prefix;
+
+ prefix.prefix = *dst;
+ prefix.prefix_len = olsr_cnf->maxplen;
+
+- rt_tree_node = avl_find(&routingtree, &prefix);
++ rt_tree_node = olsrd_avl_find(&routingtree, &prefix);
+
+ return rt_tree_node ? rt_tree2rt(rt_tree_node) : NULL;
+ }
+@@ -248,10 +248,10 @@ olsr_alloc_rt_entry(struct olsr_ip_prefi
+ rt->rt_dst = *prefix;
+
+ rt->rt_tree_node.key = &rt->rt_dst;
+- avl_insert(&routingtree, &rt->rt_tree_node, AVL_DUP_NO);
++ olsrd_avl_insert(&routingtree, &rt->rt_tree_node, OLSRD_AVL_DUP_NO);
+
+ /* init the originator subtree */
+- avl_init(&rt->rt_path_tree, avl_comp_default);
++ olsrd_avl_init(&rt->rt_path_tree, olsrd_avl_comp_default);
+
+ return rt;
+ }
+@@ -276,7 +276,7 @@ olsr_alloc_rt_path(struct tc_entry *tc,
+ rtp->rtp_prefix_tree_node.key = &rtp->rtp_dst;
+
+ /* insert to the tc prefix tree */
+- avl_insert(&tc->prefix_tree, &rtp->rtp_prefix_tree_node, AVL_DUP_NO);
++ olsrd_avl_insert(&tc->prefix_tree, &rtp->rtp_prefix_tree_node, OLSRD_AVL_DUP_NO);
+ olsr_lock_tc_entry(tc);
+
+ /* backlink to the owning tc entry */
+@@ -296,7 +296,7 @@ void
+ olsr_insert_rt_path(struct rt_path *rtp, struct tc_entry *tc, struct link_entry *link)
+ {
+ struct rt_entry *rt;
+- struct avl_node *node;
++ struct olsrd_avl_node *node;
+
+ /*
+ * no unreachable routes please.
+@@ -315,7 +315,7 @@ olsr_insert_rt_path(struct rt_path *rtp,
+ /*
+ * first check if there is a route_entry for the prefix.
+ */
+- node = avl_find(&routingtree, &rtp->rtp_dst);
++ node = olsrd_avl_find(&routingtree, &rtp->rtp_dst);
+
+ if (!node) {
+
+@@ -337,7 +337,7 @@ olsr_insert_rt_path(struct rt_path *rtp,
+ rtp->rtp_tree_node.key = &rtp->rtp_originator;
+
+ /* insert to the route entry originator tree */
+- avl_insert(&rt->rt_path_tree, &rtp->rtp_tree_node, AVL_DUP_NO);
++ olsrd_avl_insert(&rt->rt_path_tree, &rtp->rtp_tree_node, OLSRD_AVL_DUP_NO);
+
+ /* backlink to the owning route entry */
+ rtp->rtp_rt = rt;
+@@ -356,13 +356,13 @@ olsr_delete_rt_path(struct rt_path *rtp)
+
+ /* remove from the originator tree */
+ if (rtp->rtp_rt) {
+- avl_delete(&rtp->rtp_rt->rt_path_tree, &rtp->rtp_tree_node);
++ olsrd_avl_delete(&rtp->rtp_rt->rt_path_tree, &rtp->rtp_tree_node);
+ rtp->rtp_rt = NULL;
+ }
+
+ /* remove from the tc prefix tree */
+ if (rtp->rtp_tc) {
+- avl_delete(&rtp->rtp_tc->prefix_tree, &rtp->rtp_prefix_tree_node);
++ olsrd_avl_delete(&rtp->rtp_tc->prefix_tree, &rtp->rtp_prefix_tree_node);
+ olsr_unlock_tc_entry(rtp->rtp_tc);
+ rtp->rtp_tc = NULL;
+ }
+@@ -498,14 +498,14 @@ void
+ olsr_rt_best(struct rt_entry *rt)
+ {
+ /* grab the first entry */
+- struct avl_node *node = avl_walk_first(&rt->rt_path_tree);
++ struct olsrd_avl_node *node = olsrd_avl_walk_first(&rt->rt_path_tree);
+
+ assert(node != 0); /* should not happen */
+
+ rt->rt_best = rtp_tree2rtp(node);
+
+ /* walk all remaining originator entries */
+- while ((node = avl_walk_next(node))) {
++ while ((node = olsrd_avl_walk_next(node))) {
+ struct rt_path *rtp = rtp_tree2rtp(node);
+
+ if (olsr_cmp_rtp(rtp, rt->rt_best, current_inetgw)) {
+@@ -541,7 +541,7 @@ olsr_insert_routing_table(union olsr_ip_
+ #endif /* DEBUG */
+ struct tc_entry *tc;
+ struct rt_path *rtp;
+- struct avl_node *node;
++ struct olsrd_avl_node *node;
+ struct olsr_ip_prefix prefix;
+
+ /*
+@@ -567,7 +567,7 @@ olsr_insert_routing_table(union olsr_ip_
+ prefix.prefix = *dst;
+ prefix.prefix_len = plen;
+
+- node = avl_find(&tc->prefix_tree, &prefix);
++ node = olsrd_avl_find(&tc->prefix_tree, &prefix);
+
+ if (!node) {
+
+@@ -604,7 +604,7 @@ olsr_delete_routing_table(union olsr_ip_
+
+ struct tc_entry *tc;
+ struct rt_path *rtp;
+- struct avl_node *node;
++ struct olsrd_avl_node *node;
+ struct olsr_ip_prefix prefix;
+
+ /*
+@@ -625,7 +625,7 @@ olsr_delete_routing_table(union olsr_ip_
+ prefix.prefix = *dst;
+ prefix.prefix_len = plen;
+
+- node = avl_find(&tc->prefix_tree, &prefix);
++ node = olsrd_avl_find(&tc->prefix_tree, &prefix);
+
+ if (node) {
+ rtp = rtp_prefix_tree2rtp(node);
+@@ -682,16 +682,16 @@ olsr_rtp_to_string(const struct rt_path
+ */
+ #ifndef NODEBUG
+ void
+-olsr_print_routing_table(struct avl_tree *tree)
++olsr_print_routing_table(struct olsrd_avl_tree *tree)
+ {
+ /* The whole function makes no sense without it. */
+- struct avl_node *rt_tree_node;
++ struct olsrd_avl_node *rt_tree_node;
+ struct lqtextbuffer lqbuffer;
+
+ OLSR_PRINTF(6, "ROUTING TABLE\n");
+
+- for (rt_tree_node = avl_walk_first(tree); rt_tree_node != NULL; rt_tree_node = avl_walk_next(rt_tree_node)) {
+- struct avl_node *rtp_tree_node;
++ for (rt_tree_node = olsrd_avl_walk_first(tree); rt_tree_node != NULL; rt_tree_node = olsrd_avl_walk_next(rt_tree_node)) {
++ struct olsrd_avl_node *rtp_tree_node;
+ struct ipaddr_str prefixstr, origstr, gwstr;
+ struct rt_entry *rt = rt_tree2rt(rt_tree_node);
+
+@@ -700,7 +700,7 @@ olsr_print_routing_table(struct avl_tree
+ olsr_ip_to_string(&origstr, &rt->rt_nexthop.gateway), olsr_ip_to_string(&gwstr, &rt->rt_best->rtp_originator));
+
+ /* walk the per-originator path tree of routes */
+- for (rtp_tree_node = avl_walk_first(&rt->rt_path_tree); rtp_tree_node != NULL; rtp_tree_node = avl_walk_next(rtp_tree_node)) {
++ for (rtp_tree_node = olsrd_avl_walk_first(&rt->rt_path_tree); rtp_tree_node != NULL; rtp_tree_node = olsrd_avl_walk_next(rtp_tree_node)) {
+ struct rt_path *rtp = rtp_tree2rtp(rtp_tree_node);
+ OLSR_PRINTF(6, "\tfrom %s, cost %s, metric %u, via %s, %s, v %u\n", olsr_ip_to_string(&origstr, &rtp->rtp_originator),
+ get_linkcost_text(rtp->rtp_metric.cost, true, &lqbuffer), rtp->rtp_metric.hops, olsr_ip_to_string(&gwstr,
+--- a/src/routing_table.h
++++ b/src/routing_table.h
+@@ -54,7 +54,7 @@
+ #include "hna_set.h"
+ #include "link_set.h"
+ #include "olsr_cookie.h"
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+ #include "common/list.h"
+
+ #define NETMASK_HOST 0xffffffff
+@@ -81,15 +81,15 @@ struct rt_nexthop {
+ */
+ struct rt_entry {
+ struct olsr_ip_prefix rt_dst;
+- struct avl_node rt_tree_node;
++ struct olsrd_avl_node rt_tree_node;
+ struct rt_path *rt_best; /* shortcut to the best path */
+ struct rt_nexthop rt_nexthop; /* nexthop of FIB route */
+ struct rt_metric rt_metric; /* metric of FIB route */
+- struct avl_tree rt_path_tree;
++ struct olsrd_avl_tree rt_path_tree;
+ struct list_node rt_change_node; /* queue for kernel FIB add/chg/del */
+ };
+
+-AVLNODE2STRUCT(rt_tree2rt, struct rt_entry, rt_tree_node);
++OLSRD_AVLNODE2STRUCT(rt_tree2rt, struct rt_entry, rt_tree_node);
+ LISTNODE2STRUCT(changelist2rt, struct rt_entry, rt_change_node);
+
+ /*
+@@ -105,16 +105,16 @@ struct rt_path {
+ struct tc_entry *rtp_tc; /* backpointer to owning tc entry */
+ struct rt_nexthop rtp_nexthop;
+ struct rt_metric rtp_metric;
+- struct avl_node rtp_tree_node; /* global rtp node */
++ struct olsrd_avl_node rtp_tree_node; /* global rtp node */
+ union olsr_ip_addr rtp_originator; /* originator of the route */
+- struct avl_node rtp_prefix_tree_node; /* tc entry rtp node */
++ struct olsrd_avl_node rtp_prefix_tree_node; /* tc entry rtp node */
+ struct olsr_ip_prefix rtp_dst; /* the prefix */
+ uint32_t rtp_version; /* for detection of outdated rt_paths */
+ uint8_t rtp_origin; /* internal, MID or HNA */
+ };
+
+-AVLNODE2STRUCT(rtp_tree2rtp, struct rt_path, rtp_tree_node);
+-AVLNODE2STRUCT(rtp_prefix_tree2rtp, struct rt_path, rtp_prefix_tree_node);
++OLSRD_AVLNODE2STRUCT(rtp_tree2rtp, struct rt_path, rtp_tree_node);
++OLSRD_AVLNODE2STRUCT(rtp_prefix_tree2rtp, struct rt_path, rtp_prefix_tree_node);
+
+ /*
+ * In olsrd we have three different route types.
+@@ -143,10 +143,10 @@ enum olsr_rt_origin {
+ */
+ #define OLSR_FOR_ALL_RT_ENTRIES(rt) \
+ { \
+- struct avl_node *rt_tree_node, *next_rt_tree_node; \
+- for (rt_tree_node = avl_walk_first(&routingtree); \
++ struct olsrd_avl_node *rt_tree_node, *next_rt_tree_node; \
++ for (rt_tree_node = olsrd_avl_walk_first(&routingtree); \
+ rt_tree_node; rt_tree_node = next_rt_tree_node) { \
+- next_rt_tree_node = avl_walk_next(rt_tree_node); \
++ next_rt_tree_node = olsrd_avl_walk_next(rt_tree_node); \
+ rt = rt_tree2rt(rt_tree_node);
+ #define OLSR_FOR_ALL_RT_ENTRIES_END(rt) }}
+
+@@ -164,10 +164,10 @@ enum olsr_rt_origin {
+ */
+ #define OLSR_FOR_ALL_HNA_RT_ENTRIES(rt) \
+ { \
+- struct avl_node *rt_tree_node, *next_rt_tree_node; \
+- for (rt_tree_node = avl_walk_first(&routingtree); \
++ struct olsrd_avl_node *rt_tree_node, *next_rt_tree_node; \
++ for (rt_tree_node = olsrd_avl_walk_first(&routingtree); \
+ rt_tree_node; rt_tree_node = next_rt_tree_node) { \
+- next_rt_tree_node = avl_walk_next(rt_tree_node); \
++ next_rt_tree_node = olsrd_avl_walk_next(rt_tree_node); \
+ rt = rt_tree2rt(rt_tree_node); \
+ if (rt->rt_best->rtp_origin != OLSR_RT_ORIGIN_HNA) \
+ continue;
+@@ -190,7 +190,7 @@ union olsr_kernel_route {
+ } v6;
+ };
+
+-extern struct avl_tree routingtree;
++extern struct olsrd_avl_tree routingtree;
+ extern unsigned int routingtree_version;
+ extern struct olsr_cookie_info *rt_mem_cookie;
+
+@@ -198,8 +198,8 @@ void olsr_init_routing_table(void);
+
+ unsigned int olsr_bump_routingtree_version(void);
+
+-int avl_comp_ipv4_prefix(const void *, const void *);
+-int avl_comp_ipv6_prefix(const void *, const void *);
++int olsrd_avl_comp_ipv4_prefix(const void *, const void *);
++int olsrd_avl_comp_ipv6_prefix(const void *, const void *);
+
+ void olsr_rt_best(struct rt_entry *);
+ bool olsr_nh_change(const struct rt_nexthop *, const struct rt_nexthop *);
+@@ -210,7 +210,7 @@ uint8_t olsr_fib_metric(const struct rt_
+ char *olsr_rt_to_string(const struct rt_entry *);
+ char *olsr_rtp_to_string(const struct rt_path *);
+ #ifndef NODEBUG
+-void olsr_print_routing_table(struct avl_tree *);
++void olsr_print_routing_table(struct olsrd_avl_tree *);
+ #else
+ #define olsr_print_routing_table(x) do { } while(0)
+ #endif
+--- a/src/scheduler.c
++++ b/src/scheduler.c
+@@ -51,7 +51,7 @@
+ #include "net_os.h"
+ #include "mpr_selector_set.h"
+ #include "olsr_random.h"
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+
+ #include <sys/times.h>
+
+@@ -89,29 +89,29 @@ static void poll_sockets(void);
+ static uint32_t calc_jitter(unsigned int rel_time, uint8_t jitter_pct, unsigned int random_val);
+ static void olsr_cleanup_timer(struct timer_entry *timer);
+
+-struct avl_tree timer_cleanup_tree;
++struct olsrd_avl_tree timer_cleanup_tree;
+
+ struct timer_cleanup_entry {
+- struct avl_node avl;
++ struct olsrd_avl_node olsrd_avl;
+ struct timer_entry * timer;
+ };
+
+-/* static INLINE struct timer_cleanup_entry * node2timercleanup(struct avl_node *ptr) */
+-AVLNODE2STRUCT(node2timercleanup, struct timer_cleanup_entry, avl);
++/* static INLINE struct timer_cleanup_entry * node2timercleanup(struct olsrd_avl_node *ptr) */
++OLSRD_AVLNODE2STRUCT(node2timercleanup, struct timer_cleanup_entry, olsrd_avl);
+
+ /**
+ * Loop over all timer cleanup entries and put the iterated entry in timer
+ */
+ #define OLSR_FOR_ALL_TIMERS_CLEANUP(timer) \
+ { \
+- struct avl_node *timer_avl_node, *timer_avl_node_next; \
+- for (timer_avl_node = avl_walk_first(&timer_cleanup_tree); \
+- timer_avl_node; timer_avl_node = timer_avl_node_next) { \
+- timer_avl_node_next = avl_walk_next(timer_avl_node); \
+- timer = node2timercleanup(timer_avl_node);
++ struct olsrd_avl_node *timer_olsrd_avl_node, *timer_olsrd_avl_node_next; \
++ for (timer_olsrd_avl_node = olsrd_avl_walk_first(&timer_cleanup_tree); \
++ timer_olsrd_avl_node; timer_olsrd_avl_node = timer_olsrd_avl_node_next) { \
++ timer_olsrd_avl_node_next = olsrd_avl_walk_next(timer_olsrd_avl_node); \
++ timer = node2timercleanup(timer_olsrd_avl_node);
+ #define OLSR_FOR_ALL_TIMER_CLEANUP_END(timer) }}
+
+-static int avl_comp_timer(const void *entry1, const void *entry2) {
++static int olsrd_avl_comp_timer(const void *entry1, const void *entry2) {
+ if (entry1 < entry2) {
+ return -1;
+ }
+@@ -638,7 +638,7 @@ olsr_init_timers(void)
+ last_tv = first_tv;
+ now_times = olsr_times();
+
+- avl_init(&timer_cleanup_tree, avl_comp_timer);
++ olsrd_avl_init(&timer_cleanup_tree, olsrd_avl_comp_timer);
+
+ for (idx = 0; idx < TIMER_WHEEL_SLOTS; idx++) {
+ list_head_init(&timer_wheel[idx]);
+@@ -760,7 +760,7 @@ static void walk_timers_cleanup(void) {
+
+ OLSR_FOR_ALL_TIMERS_CLEANUP(timer) {
+ olsr_cleanup_timer(timer->timer);
+- avl_delete(&timer_cleanup_tree, &timer->avl);
++ olsrd_avl_delete(&timer_cleanup_tree, &timer->olsrd_avl);
+ free(timer);
+ } OLSR_FOR_ALL_TIMER_CLEANUP_END(slot)
+ }
+@@ -969,9 +969,9 @@ olsr_stop_timer(struct timer_entry *time
+
+ {
+ struct timer_cleanup_entry * node = olsr_malloc(sizeof(struct timer_cleanup_entry), "timer cleanup entry");
+- node->avl.key = timer;
++ node->olsrd_avl.key = timer;
+ node->timer = timer;
+- if (avl_insert(&timer_cleanup_tree, &node->avl, AVL_DUP_NO) == -1) {
++ if (olsrd_avl_insert(&timer_cleanup_tree, &node->olsrd_avl, OLSRD_AVL_DUP_NO) == -1) {
+ /* duplicate */
+ free(node);
+ }
+--- a/src/tc_set.c
++++ b/src/tc_set.c
+@@ -50,7 +50,7 @@
+ #include "olsr.h"
+ #include "scheduler.h"
+ #include "olsr_spf.h"
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+ #include "lq_packet.h"
+ #include "net_olsr.h"
+ #include "lq_plugin.h"
+@@ -61,7 +61,7 @@
+ #include <assert.h>
+
+ /* Root of the link state database */
+-struct avl_tree tc_tree;
++struct olsrd_avl_tree tc_tree;
+ struct tc_entry *tc_myself; /* Shortcut to ourselves */
+
+ /* Some cookies for stats keeping */
+@@ -165,14 +165,14 @@ olsr_add_tc_entry(union olsr_ip_addr *ad
+ /*
+ * Insert into the global tc tree.
+ */
+- avl_insert(&tc_tree, &tc->vertex_node, AVL_DUP_NO);
++ olsrd_avl_insert(&tc_tree, &tc->vertex_node, OLSRD_AVL_DUP_NO);
+ olsr_lock_tc_entry(tc);
+
+ /*
+ * Initialize subtrees for edges and prefixes.
+ */
+- avl_init(&tc->edge_tree, avl_comp_default);
+- avl_init(&tc->prefix_tree, avl_comp_prefix_default);
++ olsrd_avl_init(&tc->edge_tree, olsrd_avl_comp_default);
++ olsrd_avl_init(&tc->prefix_tree, olsrd_avl_comp_prefix_default);
+
+ /*
+ * Add a rt_path for ourselves.
+@@ -191,7 +191,7 @@ olsr_init_tc(void)
+ {
+ OLSR_PRINTF(5, "TC: init topo\n");
+
+- avl_init(&tc_tree, avl_comp_default);
++ olsrd_avl_init(&tc_tree, olsrd_avl_comp_default);
+
+ /*
+ * Get some cookies for getting stats to ease troubleshooting.
+@@ -308,7 +308,7 @@ olsr_delete_tc_entry(struct tc_entry *tc
+ olsr_stop_timer(tc->validity_timer);
+ tc->validity_timer = NULL;
+
+- avl_delete(&tc_tree, &tc->vertex_node);
++ olsrd_avl_delete(&tc_tree, &tc->vertex_node);
+ olsr_unlock_tc_entry(tc);
+ }
+
+@@ -321,9 +321,9 @@ olsr_delete_tc_entry(struct tc_entry *tc
+ struct tc_entry *
+ olsr_lookup_tc_entry(union olsr_ip_addr *adr)
+ {
+- struct avl_node *node;
++ struct olsrd_avl_node *node;
+
+- node = avl_find(&tc_tree, adr);
++ node = olsrd_avl_find(&tc_tree, adr);
+
+ return (node ? vertex_tree2tc(node) : NULL);
+ }
+@@ -454,7 +454,7 @@ olsr_add_tc_edge_entry(struct tc_entry *
+ /*
+ * Insert into the edge tree.
+ */
+- avl_insert(&tc->edge_tree, &tc_edge->edge_node, AVL_DUP_NO);
++ olsrd_avl_insert(&tc->edge_tree, &tc_edge->edge_node, OLSRD_AVL_DUP_NO);
+ olsr_lock_tc_entry(tc);
+
+ /*
+@@ -515,7 +515,7 @@ olsr_delete_tc_edge_entry(struct tc_edge
+ #endif /* DEBUG */
+
+ tc = tc_edge->tc;
+- avl_delete(&tc->edge_tree, &tc_edge->edge_node);
++ olsrd_avl_delete(&tc->edge_tree, &tc_edge->edge_node);
+ olsr_unlock_tc_entry(tc);
+
+ /*
+@@ -572,7 +572,7 @@ olsr_delete_revoked_tc_edges(struct tc_e
+
+ OLSR_FOR_ALL_TC_EDGE_ENTRIES(tc, tc_edge) {
+ if (!passedLowerBorder) {
+- if (avl_comp_default(lower_border, &tc_edge->T_dest_addr) <= 0) {
++ if (olsrd_avl_comp_default(lower_border, &tc_edge->T_dest_addr) <= 0) {
+ passedLowerBorder = true;
+ } else {
+ continue;
+@@ -580,7 +580,7 @@ olsr_delete_revoked_tc_edges(struct tc_e
+ }
+
+ if (passedLowerBorder) {
+- if (avl_comp_default(upper_border, &tc_edge->T_dest_addr) <= 0) {
++ if (olsrd_avl_comp_default(upper_border, &tc_edge->T_dest_addr) <= 0) {
+ break;
+ }
+ }
+@@ -680,9 +680,9 @@ olsr_tc_update_edge(struct tc_entry *tc,
+ struct tc_edge_entry *
+ olsr_lookup_tc_edge(struct tc_entry *tc, union olsr_ip_addr *edge_addr)
+ {
+- struct avl_node *edge_node;
++ struct olsrd_avl_node *edge_node;
+
+- edge_node = avl_find(&tc->edge_tree, edge_addr);
++ edge_node = olsrd_avl_find(&tc->edge_tree, edge_addr);
+
+ return (edge_node ? edge_tree2tc_edge(edge_node) : NULL);
+ }
+--- a/src/tc_set.h
++++ b/src/tc_set.h
+@@ -48,7 +48,7 @@
+
+ #include "defs.h"
+ #include "packet.h"
+-#include "common/avl.h"
++#include "common/olsrd_avl.h"
+ #include "common/list.h"
+ #include "scheduler.h"
+
+@@ -60,7 +60,7 @@
+ */
+
+ struct tc_edge_entry {
+- struct avl_node edge_node; /* edge_tree node in tc_entry */
++ struct olsrd_avl_node edge_node; /* edge_tree node in tc_entry */
+ union olsr_ip_addr T_dest_addr; /* edge_node key */
+ struct tc_edge_entry *edge_inv; /* shortcut, used during SPF calculation */
+ struct tc_entry *tc; /* backpointer to owning tc entry */
+@@ -69,16 +69,16 @@ struct tc_edge_entry {
+ uint32_t linkquality[0];
+ };
+
+-AVLNODE2STRUCT(edge_tree2tc_edge, struct tc_edge_entry, edge_node);
++OLSRD_AVLNODE2STRUCT(edge_tree2tc_edge, struct tc_edge_entry, edge_node);
+
+ struct tc_entry {
+- struct avl_node vertex_node; /* node keyed by ip address */
++ struct olsrd_avl_node vertex_node; /* node keyed by ip address */
+ union olsr_ip_addr addr; /* vertex_node key */
+- struct avl_node cand_tree_node; /* SPF candidate heap, node keyed by path_etx */
++ struct olsrd_avl_node cand_tree_node; /* SPF candidate heap, node keyed by path_etx */
+ olsr_linkcost path_cost; /* SPF calculated distance, cand_tree_node key */
+ struct list_node path_list_node; /* SPF result list */
+- struct avl_tree edge_tree; /* subtree for edges */
+- struct avl_tree prefix_tree; /* subtree for prefixes */
++ struct olsrd_avl_tree edge_tree; /* subtree for edges */
++ struct olsrd_avl_tree prefix_tree; /* subtree for prefixes */
+ struct link_entry *next_hop; /* SPF calculated link to the 1st hop neighbor */
+ struct timer_entry *edge_gc_timer; /* used for edge garbage collection */
+ struct timer_entry *validity_timer; /* tc validity time */
+@@ -102,8 +102,8 @@ struct tc_entry {
+
+ #define OLSR_TC_VTIME_JITTER 5 /* percent */
+
+-AVLNODE2STRUCT(vertex_tree2tc, struct tc_entry, vertex_node);
+-AVLNODE2STRUCT(cand_tree2tc, struct tc_entry, cand_tree_node);
++OLSRD_AVLNODE2STRUCT(vertex_tree2tc, struct tc_entry, vertex_node);
++OLSRD_AVLNODE2STRUCT(cand_tree2tc, struct tc_entry, cand_tree_node);
+ LISTNODE2STRUCT(pathlist2tc, struct tc_entry, path_list_node);
+
+ /*
+@@ -116,32 +116,32 @@ LISTNODE2STRUCT(pathlist2tc, struct tc_e
+ */
+ #define OLSR_FOR_ALL_TC_ENTRIES(tc) \
+ { \
+- struct avl_node *tc_tree_node, *next_tc_tree_node; \
+- for (tc_tree_node = avl_walk_first(&tc_tree); \
++ struct olsrd_avl_node *tc_tree_node, *next_tc_tree_node; \
++ for (tc_tree_node = olsrd_avl_walk_first(&tc_tree); \
+ tc_tree_node; tc_tree_node = next_tc_tree_node) { \
+- next_tc_tree_node = avl_walk_next(tc_tree_node); \
++ next_tc_tree_node = olsrd_avl_walk_next(tc_tree_node); \
+ tc = vertex_tree2tc(tc_tree_node);
+ #define OLSR_FOR_ALL_TC_ENTRIES_END(tc) }}
+
+ #define OLSR_FOR_ALL_TC_EDGE_ENTRIES(tc, tc_edge) \
+ { \
+- struct avl_node *tc_edge_node, *next_tc_edge_node; \
+- for (tc_edge_node = avl_walk_first(&tc->edge_tree); \
++ struct olsrd_avl_node *tc_edge_node, *next_tc_edge_node; \
++ for (tc_edge_node = olsrd_avl_walk_first(&tc->edge_tree); \
+ tc_edge_node; tc_edge_node = next_tc_edge_node) { \
+- next_tc_edge_node = avl_walk_next(tc_edge_node); \
++ next_tc_edge_node = olsrd_avl_walk_next(tc_edge_node); \
+ tc_edge = edge_tree2tc_edge(tc_edge_node);
+ #define OLSR_FOR_ALL_TC_EDGE_ENTRIES_END(tc, tc_edge) }}
+
+ #define OLSR_FOR_ALL_PREFIX_ENTRIES(tc, rtp) \
+ { \
+- struct avl_node *rtp_node, *next_rtp_node; \
+- for (rtp_node = avl_walk_first(&tc->prefix_tree); \
++ struct olsrd_avl_node *rtp_node, *next_rtp_node; \
++ for (rtp_node = olsrd_avl_walk_first(&tc->prefix_tree); \
+ rtp_node; rtp_node = next_rtp_node) { \
+- next_rtp_node = avl_walk_next(rtp_node); \
++ next_rtp_node = olsrd_avl_walk_next(rtp_node); \
+ rtp = rtp_prefix_tree2rtp(rtp_node);
+ #define OLSR_FOR_ALL_PREFIX_ENTRIES_END(tc, rtp) }}
+
+-extern struct avl_tree tc_tree;
++extern struct olsrd_avl_tree tc_tree;
+ extern struct tc_entry *tc_myself;
+
+ void olsr_init_tc(void);