48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ps_rot.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/02/21 16:07:55 by tmaze #+# #+# */
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/* Updated: 2019/03/02 16:32:04 by tmaze ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "push_swap.h"
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void ps_rot(t_psdata *data, char c)
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{
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t_stack *s;
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t_stack *tmp;
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size_t *size;
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if (c == 'a')
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s = data->a;
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if (c == 'a')
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size = &(data->size_a);
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else if (c == 'b')
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s = data->b;
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if (c == 'b')
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size = &(data->size_b);
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if (s != NULL && *size > 2)
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{
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s = s->next;
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tmp = ps_stkpop(data, c);
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tmp->next = NULL;
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while (s->next != NULL)
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s = s->next;
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s->next = tmp;
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(*size)++;
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}
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else if (s != NULL && *size == 2)
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ps_swap(data, c);
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}
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void ps_rrot(t_psdata *data)
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{
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ps_rot(data, 'a');
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ps_rot(data, 'b');
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}
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