43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* ************************************************************************** */
|
|
/* */
|
|
/* ::: :::::::: */
|
|
/* ft_reverserotate.c :+: :+: :+: */
|
|
/* +:+ +:+ +:+ */
|
|
/* By: adjoly <adjoly@student.42angouleme.fr> +#+ +:+ +#+ */
|
|
/* +#+#+#+#+#+ +#+ */
|
|
/* Created: 2024/02/13 13:41:25 by adjoly #+# #+# */
|
|
/* Updated: 2024/02/13 14:05:13 by adjoly ### ########.fr */
|
|
/* */
|
|
/* ************************************************************************** */
|
|
|
|
#include "../push_swap.h"
|
|
|
|
void ft_reverserotate(t_stack **stack)
|
|
{
|
|
t_stack *bfrlast;
|
|
t_stack *last;
|
|
t_stack *stack_start;
|
|
|
|
if (!stack || !(*stack) || !(*stack)->next)
|
|
return ;
|
|
bfrlast = ft_stackbeforelast(*stack);
|
|
last = ft_stacklast(*stack);
|
|
bfrlast->next = NULL;
|
|
stack_start = (*stack);
|
|
(*stack) = last;
|
|
(*stack)->next = stack_start;
|
|
}
|
|
|
|
void ft_reverserotate_a(t_stack **stack_a)
|
|
{
|
|
ft_putendl_fd("rra", STDOUT_FILENO);
|
|
ft_reverserotate(stack_a);
|
|
}
|
|
|
|
void ft_reverserotate_b(t_stack **stack_b)
|
|
{
|
|
ft_putendl_fd("rrb", STDOUT_FILENO);
|
|
ft_reverserotate(stack_b);
|
|
}
|
|
|