t_bool list_add_elem_at_position(t_list * front_ptr, void *elem, unsigned int position)
{
unsigned int i;
t_list head;
t_list prev;
t_list tmp;
i = -1;
head = *front_ptr;
prev = head;
if (position == 0)
return (list_add_elem_at_front(front_ptr, elem));
while (head != NULL && ++i < position)
{
prev = head;
head = head->next;
}
if (i < position && head == NULL)
return (FALSE);
if ((tmp = malloc(sizeof(tmp))) == NULL)
return (FALSE);
tmp->value = elem;
tmp->next = head;
prev->next = tmp;
return (TRUE);
}
t_bool list_add_elem_at_position(t_list* front_ptr, void* elem,
unsigned int position)
{
unsigned int i;
t_list prev_elem;
t_list new_elem;
if (position == 0)
return list_add_elem_at_front(front_ptr, elem);
if (*front_ptr == NULL)
return LFALSE;
if ((new_elem = malloc(sizeof(t_node))) == NULL)
return LFALSE;
new_elem->value = elem;
prev_elem = *front_ptr;
i = 1;
while (prev_elem->next != NULL && i != position)
{
++i;
prev_elem = prev_elem->next;
}
prev_elem->next = new_elem;
return LTRUE;
}
t_bool list_add_elem_at_position(t_list *front_ptr, void *elem,
unsigned int position)
{
t_list new_elem;
t_list tmp;
unsigned int i;
i = 0;
tmp = *front_ptr;
if ((new_elem = malloc(sizeof(t_node))) == NULL ||
position > list_get_size(*front_ptr))
return (FALSE);
if (*front_ptr == NULL || position == 0)
return (list_add_elem_at_front(front_ptr, elem));
else
{
new_elem->value = elem;
while (tmp->next && i < position - 1)
{
tmp = tmp->next;
i++;
}
new_elem->next = tmp->next;
tmp->next = new_elem;
return (TRUE);
}
return (FALSE);
}
t_bool list_add_elem_at_position(t_list* front_ptr, void *elem, unsigned int position) {
if (position == 0) {
return list_add_elem_at_front(front_ptr, elem);
}
if (!*front_ptr) {
return FALSE;
}
t_list list = *front_ptr;
while (--position) {
list = list->next;
if (!list) {
return FALSE;
}
}
t_node *node = list_create_node(elem);
if (!node) {
return FALSE;
}
node->next = list->next;
list->next = node;
return TRUE;
}
t_bool stack_push(t_stack *stack_ptr, void* elem) {
return list_add_elem_at_front(stack_ptr, elem);
}
