mkng linked list

This is a discussion on mkng linked list within the C++ Programming forums, part of the General Programming Boards category; this code only makes two nodes and at the time of making third node it stucks Code: void addnode(int x, ...

  1. #1
    Registered User
    Join Date
    Nov 2010
    Posts
    5

    Red face mkng linked list

    this code only makes two nodes and at the time of making third node it stucks
    Code:
    	void addnode(int x, int r,int c)//+++++++++++++++++++++++++++++=addnode
    	
    	{
    	
    		node* nodeptr = new node;
    		node* temptr;
    		temptr = headptr;
    		nodeptr->val = x;;
    		nodeptr->rowval = r;
    		nodeptr->colval = c;
    	    nodeptr->next = NULL;
    		
    		cout<<"nodeprtr->value"<<nodeptr->val<<endl;
    		cout<<"nodeptr->row"<<nodeptr->rowval<<endl;
    		cout<<"nodeptr->col"<<nodeptr->colval<<endl;
    		if ( headptr == NULL )
    		{
    			headptr = nodeptr;
    			cout<<"headptr->value"<<" "<<headptr->val<<endl;
    			cout<<"headptr->row"<<" "<<headptr->rowval<<endl;
    		    cout<<"headptr->col"<<" "<<headptr->colval<<endl;
    		//	return headptr;
    			
    		}
    		else
    		{   
    			 if (headptr != NULL )
    			{
    				 while(temptr->next!= NULL )
    				{
    					temptr->next = temptr;
    				}
    				 
    			 }
    			temptr->next = nodeptr;
    			temptr = nodeptr;
    			cout<<"temptr->val"<<" "<<temptr->val<<endl;
    		cout<<"temptr->rowval"<<" "<<temptr->rowval<<endl;
    		cout<<"temptr->colval"<<" "<<temptr->colval<<endl;
    		//return nodeptr;
    		}
    	}

  2. #2
    Registered User
    Join Date
    Aug 2010
    Location
    Poland
    Posts
    671
    Where is any function call of addnode?
    And
    What is 'node'?
    What is x, r and c?
    What is headptr?
    How do you pass list object to the addnode function?
    I see commented return statements while the function is 'void'. What did you want to return?
    Last edited by kmdv; 11-06-2010 at 06:59 AM.

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