28 lines
1.1 KiB
C
28 lines
1.1 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* ft_dlst_add_before.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: jhalford <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2016/11/07 13:27:09 by jhalford #+# #+# */
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/* Updated: 2016/11/07 13:27:10 by jhalford ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libft.h"
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void ft_dlstadd_before(t_dlist **alst, t_dlist *new)
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{
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if (new)
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{
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new->next = (*alst);
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if (*alst)
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new->prev = (*alst)->prev;
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if (new->next)
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new->next->prev = new;
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if (new->prev)
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new->prev->next = new;
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*alst = new;
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}
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}
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