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push.c
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push.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* push.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: abertran <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/02/23 19:48:11 by abertran #+# #+# */
/* Updated: 2023/02/23 22:35:46 by abertran ### ########.fr */
/* */
/* ************************************************************************** */
#include "push_swap.h"
/* Pushes the top element of src stack to the top of dest stack. DISTINTO*/
/*tmp = *src;
tmp->next = *dst;
*dst = tmp;
*src = (*src)->next;*/
static void push(t_stack **src, t_stack **dst)
{
t_stack *tmp;
if (*src == NULL)
return ;
tmp = (*src)->next;
(*src)->next = *dst;
*dst = *src;
*src = tmp;
}
/* Pushes the top element of stack b to the top of stack a.
Prints "pa" to the standard output. */
void do_pa(t_stack **stack_a, t_stack **stack_b)
{
push(stack_b, stack_a);
ft_putstr("pa\n");
}
/* Pushes the top element of stack a to the top of stack b.
Prints "pb" to the standard output. */
void do_pb(t_stack **stack_a, t_stack **stack_b)
{
push(stack_a, stack_b);
ft_putstr("pb\n");
}