Chained List

create_chained_list.c

/* **************************************************************** */
/*                  Create/Insert chained list                      */
/*                            (With Next&Prev)                      */
/*                      1_ Insert in the front                      */
/*                      2_ Insert in the back                       */
/*                                                                  */
/* **************************************************************** */

t_list  *ft_insert_front(t_list *list, char *content)
{
    t_list  *new;
    t_list  *tmp;

    new = (t_list*)malloc(sizeof(*new));
    new->content = ft_strdup(content);
    new->next = NULL;
    new->prev = NULL;
    if (!list)
        return (new);
    tmp = list;
    while (tmp->next)
        tmp = tmp->next;
    tmp->next = new;
    new->prev = tmp;
    return (list);
}

t_list  *ft_insert_back(t_list *list, char *content)
{
    t_list  *new;
    t_list  *tmp;

    new = (t_list*)malloc(sizeof(*new));
    new->content = ft_strdup(content);
    new->next = NULL;
    new->prev = NULL;
    if (!list)
        return (new);
    tmp = list;
    while (tmp->prev)
        tmp = tmp->prev;
    tmp->prev = new;
    new->next = tmp;
    return (new);
}