Function listCreate

app/redis-6.2.6/src/adlist.c:42–54

Create a new list. The created list can be freed with * listRelease(), but private value of every node need to be freed * by the user before to call listRelease(), or by setting a free method using * listSetFreeMethod. * * On error, NULL is returned. Otherwise the pointer to the new list. */

 *
 * On error, NULL is returned. Otherwise the pointer to the new list. */
list *listCreate(void)
{
    struct list *list;

    if ((list = zmalloc(sizeof(*list))) == NULL)
        return NULL;
    list->head = list->tail = NULL;
    list->len = 0;
    list->dup = NULL;
    list->free = NULL;
    list->match = NULL;
    return list;
}

/* Remove all the elements from the list without destroying the list itself. */
void listEmpty(list *list)