void ResistorList::insert_resistor_at_end()
{
Resistor *ptr = NULL;
Resistor *temp;
for(ptr = head; ptr !=NULL; ptr = ptr->get_resistor_next())
{
}
ptr->set_next_resistor(temp);
temp->set_next_resistor(NULL);
}
// Returns the resistor that has the given name.
// Puts the previous resistor in "previous". Puts NULL in "previous" if the
// given name is the first resistor in the list.
Resistor* ResistorList::find_resistor(string name, Resistor*& previous)
{
Resistor *ptr = NULL;
previous = NULL;
for(ptr = head; ptr !=NULL; ptr = ptr->get_resistor_next())
{
if(name == ptr->getName())
{
return ptr;
}
previous = ptr;
}
return NULL;
}