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push_swap/operations/ft_swapstack.c

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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_swapstack.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: adjoly <adjoly@student.42angouleme.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/02/08 17:55:21 by adjoly #+# #+# */
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/* Updated: 2024/02/15 13:36:44 by adjoly ### ########.fr */
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/* */
/* ************************************************************************** */
#include "../push_swap.h"
void ft_swapstack(t_stack *stack)
{
int tmp;
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if (!stack)
return ;
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tmp = stack->nb;
stack->nb = stack->next->nb;
stack->next->nb = tmp;
}
void ft_swap_a(t_stack *stack_a)
{
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if (!stack_a)
return ;
ft_putendl_fd("sa", STDOUT_FILENO);
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ft_swapstack(stack_a);
}
void ft_swap_b(t_stack *stack_b)
{
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if (!stack_b)
return ;
ft_putendl_fd("sb", STDOUT_FILENO);
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ft_swapstack(stack_b);
}
void ft_stack_ss(t_stack *stack_a, t_stack *stack_b)
{
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if (!stack_a || !stack_b)
return ;
ft_putendl_fd("ss", STDOUT_FILENO);
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ft_swapstack(stack_a);
ft_swapstack(stack_b);
}