void SLList::Insert(int contents) {
	if(head_ == NULL) {
		InsertHead(contents);
	}
	else if(contents < GetHead()) {
		InsertHead(contents);
	}
	else if (head_->next_node() == NULL && head_ != NULL) {
		InsertTail(contents);
	}
	else if(contents > GetTail()) {
		InsertTail(contents);
	}
	else {
		SLNode* node = new SLNode(contents);
		SLNode* i = head_;
		SLNode* j = NULL;
		while(i->contents() <= contents && i->next_node() != NULL) {
			j = i;
			i = i->next_node();
		}
		j->set_next_node(node);
		node->set_next_node(i);
		size_++;
	}
}
void DLList::Insert(int new_node)
{
    DLNode *temp = new DLNode(new_node);
    //creates temp node and makes it point at the new_node information
    DLNode *iterator = head_;
    //creates an iterator and makes it point to head_
    DLNode *iterator2 = tail_;
    //second iterator to trail behind the first iterator
    unsigned int original_size = size_;
    
    if(iterator == NULL)
    //checks if the list is empty
    {
        InsertHead(new_node);
    }
    
    while(iterator != NULL && original_size == size_)
    {
        if((iterator -> contents()) >= (temp -> contents()))
        //checks if the iterator is larger than or equal to the new node
        {
            if(iterator2 == NULL)
            {
                InsertHead(new_node);
            }
            
            else
            {
                iterator2 -> set_next_node(temp);
                //makes the previous node point at the new node
                temp -> set_next_node(iterator);
                //makes the new node point at the next node
                iterator -> set_previous_node(temp);
                //makes the next node point at the new node
                temp -> set_previous_node(iterator2);
                //makes the new node point the previous node
                size_++;
            }
        }
        
        else if((iterator -> contents()) < (temp -> contents()))
        //checks if the iterator is smaller than the new node
        {
            if((iterator -> next_node()) == NULL)
            {
                InsertTail(new_node);
            }
            
            else
            {
                iterator2 = iterator;
                iterator = iterator -> next_node();
            }
        }
    }
}
int main()
{
  int i;
  Node *head = NULL;
  Node *list1 = NULL;
  for(i = 0; i < 5; i++)
    {
      head = InsertHead(head, i);
    }
  Print(head);


  Node *list2 = NULL;
  list1 = InsertHead(list1, 6);
  list1 = InsertHead(list1, 5);
  list1 = InsertHead(list1, 5);
  list1 = InsertHead(list1, 1);
  
  list2 = InsertHead(list2, 7);
  list2 = InsertHead(list2, 4);
  list2 = InsertHead(list2, 2);

  Print(list1);
  Print(list2);
  /* Node *newList = MergeLists(list1, list2); */
  /* Print(newList); */
  Node *newList = RemoveDuplicates(list1);
  Print(newList);
  return 0;
}
Beispiel #4
0
void SLList::Insert(int contents)
{
    //Checks if head is null or contents is < head_->contents();
    if (head_ == NULL || head_->contents() > contents)
    {
        InsertHead(contents);
    } else if ( tail_->contents() < contents)
    {
      //  cout << " got it: " << contents << endl;
     //   cout << ToString();
        InsertTail(contents);
    } else 
    {
        //creates iterator and newnode
        SLNode* iterator;
        iterator = head_;
        while (iterator->next_node() != NULL && contents > iterator->next_node()->contents())
        {
        iterator = iterator->next_node();
        }
        if (iterator != tail_)
        {
            SLNode *newNode = new SLNode(contents);
            newNode->set_next_node(iterator->next_node());
            iterator->set_next_node(newNode);
            size_ +=1;
        } else
        {
            InsertTail(contents);
        }
    }
}
Beispiel #5
0
void *addItemToList(tList *pList, void *pItem, int(*fcmp)(void *pItList, void *pItNew))
{
    if(pItem)
    {
        if(pList->phead)
        {
            pList->pcurr=pList->phead;
            while(pList->pcurr)
            {
                if(fcmp(pList->pcurr->pdata, pItem) > 0)
                {
                    InsertBefore(pList, pItem);
                    break;
                } 
                else if(pList->pcurr == pList->ptail)
                {
                    InsertTail(pList, pItem);
                    break;
                }
                GetNext(pList);
            }
        }
        else InsertHead(pList, pItem); 
    }
    return 0;

}
Beispiel #6
0
void SLList::Insert(int data)
{  
  
  SLNode* insert = new SLNode(data); //assigns data to new node 
  SLNode* current = head_; //assigns head to current
  SLNode* prev = current;
  if(!head_ || data <= current->contents()) //if there is a list or data is less than or equal to head_                                                          
  {
    InsertHead(data); 
  }
  else if(data > tail_->contents()) //if data is greater than tail
  {
    InsertTail(data);
  }
  else
  {
  while(current->contents()  < data) //while current is less than data
  {
    prev = current; //we assign prev to currents position
    current = current->next_node(); //then assign current to next position
  }
  insert->set_next_node(current); //set node at currents position
  prev->set_next_node(insert); //set data at proper position
  size_++;
  }
}
Beispiel #7
0
//检查注册
int check_reg(Cache *cache,Parket *ptr){
	if(ptr == NULL || cache == NULL){
		return -1;
	}
	Daily *newDaily=(Daily *)calloc(1,sizeof(Daily));
	Node *newNode=(Node *)calloc(1,sizeof(Node));
	if(newNode==NULL){
		exit(0);
	}
	Node *cur=head->next;
	while(cur!=head){
		if(strcmp(cur->name,ptr->name)==0){
			strcpy(ptr->usr_return,"exist");
			write(cache->fd,ptr,sizeof(Parket));
			return 1;
		}
		cur=cur->next;	
	}
	strcpy(newNode->name,ptr->name);
	strcpy(newNode->pwd,ptr->pwd);
	newNode->state=0;
	strcpy(newDaily->name,ptr->name);
	strcpy(newDaily->client_ip,cache->clientip);
	strcpy(newDaily->cmd,"注册成功!");
	strcpy(ptr->usr_return,"yes");
	write(cache->fd,ptr,sizeof(Parket));
	InsertdHead(newDaily);
	InsertHead(newNode);	
	return 0;
}
void SLList::InsertTail(int newTail) {
	if(head_ == NULL) {
		InsertHead(newTail);
	}
	else {
		SLNode* i = head_;
		while (i->next_node() != NULL) {
			i = i->next_node();
		}
		SLNode* node = new SLNode(newTail);
		i->set_next_node(node);
		size_++;
	}
}
Beispiel #9
0
/**
 * creates a new dynamic SLNode with the contents of 
 * the contents and attaches as the new tail of the list
 * @param int contents
 */
void SLList::InsertTail(int contents)
{
    if (head_ != NULL)
    {
        SLNode* temp, *newNode = new SLNode(contents);
        temp = head_;
        while (temp->next_node() != NULL)
        {
            temp = temp->next_node();
        }
        temp->set_next_node(newNode);
        tail_ = newNode;
        size_ += 1;
    } else 
    {
        InsertHead(contents);
    }
}
Beispiel #10
0
int main(){
  int i;
  node *root = (node*) malloc( sizeof(node) );
  root->value = 2;
  root->next = NULL;  

  DisplayList(root);
  for(i = 3; i < 8; i++)
    InsertTail(&root, i);
	
  for(i = 1; i >= 0; i--)
	InsertHead(&root, i);
  	
  DisplayList(root);

  ClearList(&root);  
  
  DisplayList(root);
  
  return 0;
}