( C )Fonksiyonumda ki hata nerede ?

void addTree(int data) 
  { 
        
       static int level=1; 
       static int counter=0; 
       if(counter == pow(2,level)) 
       { 
          counter=0; 
          level++; 
       } 
       if(root == NULL) 
       { 
          root = new struct node2;      
          root->number = data; 
          root->right=NULL; 
          root->left=NULL;    
       } 
       else 
       { 
          temp2 = new struct node2; 
          temp2 = root; 
          temp2->left = root->left; 
          temp2->right = root->right; 
          int i; 
          for(i=level; i>0 ; i--) 
          { 
             if((counter % (int)pow(2,(i-1))) == 0) 
                temp2=temp2->left; 
             else 
                temp2=temp2->right; 
          } 
          temp2->number=data; 
          counter++; 
       } 
  }