Re: problem with linklist
Erik Wikstr?m <Erikfirstname.lastname@example.org> wrote in news:I69ji.3524$ZA.1535
On 2007-07-05 17:12, email@example.com wrote:
void TimerDLList<T>::addFirst(TimerItem<T>* const itemPtr)
// suppose itemPtr is not pointing to NULL
itemPtr->prev = (TimerItem<T>*) NULL;
head = (TimerItem<T>*)NULL;
if (tail == (TimerItem<T>*)NULL ) // nothing in the link list
tail = itemPtr;
itemPtr->next = (TimerItem<T>*) NULL;
itemPtr->next = head;
head->prev = itemPtr;
head == NULL here, you made it so a bit up. By the way, we use 0 and not
NULL in C++.
Not necessarily true (I still prefer to use NULL, I like the visual
reminder that I'm talking about a pointer and not an int. When 'nulptr'
becomes Standard, I'll be really happy. However, we do tend to not ever
cast NULL (or 0) to a specific pointer type. There should be no need to.
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