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Push the final version

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Raphaël 2024-04-20 14:48:16 +02:00
commit d0fe1fb2fb
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sources/reverse.c Executable file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* reverse.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/13 12:08:06 by rparodi #+# #+# */
/* Updated: 2024/03/06 11:55:32 by rparodi ### ########.fr */
/* */
/* ************************************************************************** */
#include "../includes/push_swap.h"
static int reverse(t_list **stack)
{
t_list *head;
t_list *tail;
if (ft_lstsize(*stack) < 2)
return (-1);
head = *stack;
tail = ft_lstlast(head);
while (head)
{
if (head->next->next == NULL)
{
head->next = NULL;
break ;
}
head = head->next;
}
tail->next = *stack;
*stack = tail;
return (0);
}
int rra(t_list **stack_a)
{
if (reverse(stack_a) == -1)
return (-1);
write(1, "rra\n", 4);
return (0);
}
int rrb(t_list **stack_b)
{
if (reverse(stack_b) == -1)
return (-1);
write(1, "rrb\n", 4);
return (0);
}
int rrr(t_list **stack_a, t_list **stack_b)
{
if ((ft_lstsize(*stack_a) < 2) || (ft_lstsize(*stack_b) < 2))
return (-1);
reverse(stack_a);
reverse(stack_b);
write(1, "rrr\n", 4);
return (0);
}