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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* stack_utils.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dkaiser <dkaiser@student.42heilbronn.de +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/04/12 20:31:30 by dkaiser #+# #+# */
/* Updated: 2024/04/13 14:33:35 by dkaiser ### ########.fr */
/* */
/* ************************************************************************** */
#include "push_swap.h"
void stack_swap(t_list **stack)
{
t_list *first_elem;
first_elem = *stack;
*stack = (*stack)->next;
first_elem->next = (*stack)->next;
(*stack)->next = first_elem;
}
void stack_push(t_list **dst_stack, t_list **src_stack)
{
t_list *elem;
elem = *src_stack;
*src_stack = elem->next;
ft_lstadd_front(dst_stack, elem);
}
void stack_rotate(t_list **stack)
{
t_list *first_elem;
first_elem = *stack;
*stack = (*stack)->next;
first_elem->next = NULL;
ft_lstlast(*stack)->next = first_elem;
}
void stack_rrotate(t_list **stack)
{
t_list *first_elem;
first_elem = *stack;
while ((*stack)->next->next)
*stack = (*stack)->next;
(*stack)->next->next = first_elem;
(*stack)->next = NULL;
}
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