lst_utils.c

#include "cub3d.h"

void	ft_lstadd_back(t_list **lst, t_list *new)
{
	t_list	*temp;

	if (!new)
		return ;
	if (!*lst)
	{
		*lst = new;
		return ;
	}
	temp = ft_lstlast(*lst);
	temp->next = new;
}

t_list	*ft_lstlast(t_list *lst)
{
	if (!lst)
		return (0);
	while (lst)
	{
		if (lst->next == NULL)
			return (lst);
		lst = lst->next;
	}
	return (lst);
}

t_list	*ft_lstnew(void *content)
{
	t_list	*new;

	new = (t_list *)malloc(sizeof(t_list));
	if (!new)
		return (NULL);
	new->content = content;
	new->next = NULL;
	return (new);
}

int	ft_lstsize(t_list *lst)
{
	int	counter;

	counter = 0;
	while (lst)
	{
		lst = lst->next;
		counter++;
	}
	return (counter);
}