void rbtree_insert(struct rbtree * tree, void * key, void * data)
{
struct rbtree_node * new_node = malloc(sizeof(struct rbtree_node));
new_node->left = tree->nil;
new_node->right = tree->nil;
new_node->color = RBTREE_RED;
new_node->key = tree->dup_key(key);
new_node->data = data;
struct rbtree_node * current = tree->root, * parent = tree->nil;
while(current != tree->nil)
{
parent = current;
if(tree->compare_key(key, current->key) < 0)
current = current->left;
else
current = current->right;
}
new_node->parent = parent;
if(parent == tree->nil)
tree->root = new_node;
else if(tree->compare_key(key, parent->key) < 0)
parent->left = new_node;
else
parent->right = new_node;
insert_fixup(tree, new_node);
}
void insert(node **root_ref,int key)
{
node *y = nil;
node *x = *root_ref;
node *z = new_node(key);
while(x!=nil)
{
y = x;
if(z->key < x->key)
{
x = x->left;
}
else
{
x = x->right;
}
}
z->p = y;
if(y==nil)
{
*root_ref = z;
}
else if(z->key < y->key)
{
y->left = z;
}
else
{
y->right = z;
}
z->left = nil;
z->right = nil;
z->color = 'R';
insert_fixup(root_ref,z);
}
int
insert_node(struct rbtree *rbt, struct rbnode *nd)
{
struct rbnode *tmp = &rbt->nil, *itor = rbt->root;
//struct rbnode *nd = malloc(sizeof(struct rbnode));
nd->left = nd->right = nd->parent = NULL;
//nd->key = key;
while (itor != &rbt->nil) {
tmp = itor;
if ((rbt->c) (itor->key, nd->key) > 0)
itor = itor->left;
else
itor = itor->right;
}
nd->parent = tmp;
if (tmp == &rbt->nil)
rbt->root = nd;
else {
if ((rbt->c) (tmp->key, nd->key) > 0)
tmp->left = nd;
else
tmp->right = nd;
}
nd->left = nd->right = &rbt->nil;
nd->color = RED;
insert_fixup(rbt, nd);
rbt->size++;
return 0;
}
int
insert_node(struct rbtree *rbt, struct rbnode *pnd)
{
struct rbnode *tmp = &rbt->nil, *itor = rbt->root;
struct rbnode *nd = malloc(sizeof(struct rbnode));
struct douint *p = pnd->key;
if (nd == NULL)
return -1;
*nd = *pnd;
//pthread_mutex_lock(&(rbt->lock));
while (itor != &rbt->nil) {
tmp = itor;
if ((rbt->c) (itor->key, nd->key, rbt->argv) > 0)
itor = itor->left;
else
itor = itor->right;
}
nd->parent = tmp;
if (tmp == &rbt->nil)
rbt->root = nd;
else {
if ((rbt->c) (tmp->key, nd->key, rbt->argv) > 0)
tmp->left = nd;
else
tmp->right = nd;
}
nd->left = nd->right = &rbt->nil;
nd->color = RED;
insert_fixup(rbt, nd);
rbt->size++;
//pthread_mutex_unlock(&(rbt->lock));
return 0;
}
rbt_status rbt_insert( rbt_tree *tree, void *key, void *val )
{
if ( tree == NULL )
{
return RBT_STATUS_TREE_NOT_FOUND;
}
node_type *current, *parent, *x;
tag_type *rbt = ( tag_type * )tree;
// Allocate node for data and insert in tree, then find future parent
current = rbt->root;
parent = 0;
while ( current != &rbt->sentinel )
{
int rc = rbt->compare( key, current->key );
if ( rc == 0 )
{
return RBT_STATUS_DUPLICATE_KEY;
}
parent = current;
current = ( rc < 0 ) ? current->left : current->right;
}
// Setup new node
if ( ( x = ( node_type * )malloc( sizeof( *x ) ) ) == 0 )
{
return RBT_STATUS_MEM_EXHAUSTED;
}
x->parent = parent;
x->left = &rbt->sentinel;
x->right = &rbt->sentinel;
x->color = RED;
x->key = key;
x->val = val;
// Insert node in tree
if ( parent )
{
if ( rbt->compare( key, parent->key ) < 0 )
{
parent->left = x;
}
else
{
parent->right = x;
}
}
else
{
rbt->root = x;
}
insert_fixup( rbt, x );
return RBT_STATUS_OK;
}
int tree_insert (TREE **root, void *tree, TREE_COMPARE *comp,
Bool allow_duplicates)
{
TREE
*current,
*parent;
int
cmp = 0;
/* find where node belongs */
current = *root;
parent = NULL;
while (current != TREE_NULL)
{
parent = current;
cmp = (comp) (current, tree);
if (cmp < 0)
current = current-> right;
else
if (cmp > 0)
current = current-> left;
else
{
if (allow_duplicates)
current = current-> left;
else
return TREE_DUPLICATE;
}
}
/* setup new node */
((TREE *) tree)-> parent = parent;
((TREE *) tree)-> left = TREE_NULL;
((TREE *) tree)-> right = TREE_NULL;
((TREE *) tree)-> colour = RED;
/* insert node in tree */
if (parent)
{
if (cmp > 0)
parent-> right = tree;
else
parent-> left = tree;
}
else
*root = tree;
insert_fixup (root, tree);
return (TREE_OK);
}
void balanced_pst::insert(const point &v) {
node* z = new node(v);
node* y = sentinel;
node* x = root;
while (x != sentinel) {
y = x;
if (z->key < x->key) x = x->left;
else x = x->right;
}
z->p = y;
if (y == sentinel) root = z;
else if (z->key < y->key) y->left = z;
else y->right = z;
z->left = sentinel;
z->right = sentinel;
z->color = RED;
insert_fixup(z);
_size++;
}
/*
* tree_insert --
* Insert the item into the tree.
* See section 13.3, "Introduction to Algorithms", 2/e for details
* on the algorithm.
*/
void tree_insert(const T tree, Item item)
{
assert(tree);
Node *x, *y, *z;
/*
* z is the inserted node
*/
z = malloc(sizeof *z);
assert(z);
z->item = item;
/*
* Traverse the tree from the root down to find a place for the
* new node.
*/
y = NIL(tree);
x = tree->root;
while (x != NIL(tree)) {
x->size++; // maintain the size field of each node
y = x;
if (LESS(KEY(item), KEY(x->item)))
x = x->left;
else
x = x->right;
}
/*
* now y is the parent of new inserted node z
*/
z->parent = y;
if (y == NIL(tree))
tree->root = z;
else if (LESS(KEY(z->item), KEY(y->item)))
y->left = z;
else
y->right = z;
z->left = z->right = NIL(tree);
z->color = RED;
z->size = 1;
insert_fixup(tree, z);
}
void
insert(struct vertex **tree, int data)
{
struct vertex *new_vertex = malloc(sizeof(struct vertex));
new_vertex->data = data;
new_vertex->height = 0;
new_vertex->l = NULL;
new_vertex->r = NULL;
new_vertex->p = NULL;
if (tree == NULL){
free(new_vertex);
return;
}else if (*tree == NULL) {
*tree = new_vertex;
return;
}
struct vertex *root = *tree;
while (1) {
if (root->data < data) {
if (root->r != NULL)
root = root->r;
else {
root->r = new_vertex;
new_vertex->p = root;
break;
}
} else {
if (root->l != NULL)
root = root->l;
else {
root->l = new_vertex;
new_vertex->p = root;
break;
}
}
}
insert_fixup(new_vertex);
while ((*tree)->p != NULL) {
(*tree) = (*tree)->p;
}
}
int pj_rbtree_insert( pj_rbtree *tree,
pj_rbtree_node *element )
{
int rv = 0;
pj_rbtree_node *node, *parent = tree->null,
*null = tree->null;
pj_rbtree_comp *comp = tree->comp;
PJ_CHECK_STACK();
node = tree->root;
while (node != null) {
rv = (*comp)(element->key, node->key);
if (rv == 0) {
/* found match, i.e. entry with equal key already exist */
return -1;
}
parent = node;
node = rv < 0 ? node->left : node->right;
}
element->color = PJ_RBCOLOR_RED;
element->left = element->right = null;
node = element;
if (parent != null) {
node->parent = parent;
if (rv < 0)
parent->left = node;
else
parent->right = node;
insert_fixup( tree, node);
} else {
tree->root = node;
node->parent = null;
node->color = PJ_RBCOLOR_BLACK;
}
++tree->size;
return 0;
}
void RBTree::insert(int v)
{
if (root == pNil) {
root = new_node(v);
return;
}
rbnode * n = find_insert_pos(root, v);
if (n->value == v) {
return;
} else {
rbnode * c = new_node(v, RED);
c->parent = n;
if (v < n->value) {
n->lc = c;
} else {
n->rc = c;
}
insert_fixup(c);
}
}
/** Insert an element into the tree
*
*/
rbnode_t *rbtree_insert_node(rbtree_t *tree, void *data)
{
rbnode_t *current, *parent, *x;
PTHREAD_MUTEX_LOCK(tree);
/* find where node belongs */
current = tree->root;
parent = NULL;
while (current != NIL) {
int result;
/*
* See if two entries are identical.
*/
result = tree->compare(data, current->data);
if (result == 0) {
/*
* Don't replace the entry.
*/
if (!tree->replace) {
PTHREAD_MUTEX_UNLOCK(tree);
return NULL;
}
/*
* Do replace the entry.
*/
if (tree->free) tree->free(current->data);
current->data = data;
PTHREAD_MUTEX_UNLOCK(tree);
return current;
}
parent = current;
current = (result < 0) ? current->left : current->right;
}
/* setup new node */
x = talloc_zero(tree, rbnode_t);
if (!x) {
fr_strerror_printf("No memory for new rbtree node");
PTHREAD_MUTEX_UNLOCK(tree);
return NULL;
}
x->data = data;
x->parent = parent;
x->left = NIL;
x->right = NIL;
x->colour = RED;
/* insert node in tree */
if (parent) {
if (tree->compare(data, parent->data) <= 0) {
parent->left = x;
} else {
parent->right = x;
}
} else {
tree->root = x;
}
insert_fixup(tree, x);
tree->num_elements++;
PTHREAD_MUTEX_UNLOCK(tree);
return x;
}
/*
* tree_join --
* Return a new tree with items from tree1, item and tree2 assuming
* that
* key[any item in tree1] <= key[item] <= key[any item in tree2].
*/
T tree_join(T tree1, Item item, T tree2)
{
assert(tree1 != NULL && tree2 != NULL);
Node *y;
int cur_bh;
if (tree1->bh >= tree2->bh) {
/*
* Find a black node y in tree1 with the largest key and whose
* black-height is tree2->bh.
*/
cur_bh = tree1->bh;
y = tree1->root;
while (y != NIL(tree1)) {
if (cur_bh == tree2->bh && y->color == BLACK)
break;
y->size += tree2->root->size;
y = y->right;
if (y->color == BLACK)
cur_bh--;
}
/*
* Create a new node x to replace y. y becomes the left
* child of x and tree2 becomes the right child of x.
*/
Node *x = malloc(sizeof(*x));
assert(x);
x->color = RED;
x->item = item;
x->size = y->size + tree2->root->size + 1;
x->left = y;
x->right = tree2->root;
y->parent->right = x;
x->parent = y->parent;
if (y->parent == NIL(tree1)) {
tree1->root = x;
x->color = BLACK;
tree1->bh++;
}
y->parent = x;
tree2->root->parent = x;
free(tree2);
insert_fixup(tree1, x);
return tree1;
} else {
/*
* Find a black node y in tree2 with the smallest key and whose
* black-height is tree1->bh.
*/
cur_bh = tree2->bh;
y = tree2->root;
while (y != NIL(tree2)) {
if (cur_bh == tree1->bh && y->color == BLACK)
break;
y->size += tree1->root->size;
y = y->left;
if (y->color == BLACK)
cur_bh--;
}
/*
* Create a new node x to replace y. y becomes the right;
* child of x and tree1 becomes the left child of x.
*/
Node *x = malloc(sizeof(*x));
assert(x);
x->color = RED;
x->item = item;
x->size = y->size + tree1->root->size + 1;
x->left = tree1->root;
x->right = y;
y->parent->left = x;
x->parent = y->parent;
if (y->parent == NIL(tree2)) {
tree2->root = x;
x->color = BLACK;
tree2->bh++;
}
y->parent = x;
tree1->root->parent = x;
free(tree1);
insert_fixup(tree2, x);
return tree2;
}
}