libft/ft_lstinsert.c

#include "libft.h"

void ft_lstinsert(t_list **lst, t_list *new, int (*f)(t_list *a, t_list *b)) {
	if (!(*lst)) {
		*lst = new;
		return;
	}
	while ((*lst)->next && f(new, *lst) < 0) {
		lst = &(*lst)->next;
	}
	t_list *tmp = (*lst)->next;
	(*lst)->next = new;
	new->next = tmp;
}