int ft_gnl(const int fd, char **line)
{
static char **remain = NULL;
char *endl;
int exitval;
char *tmp;
int ret;
if (init_gnl(fd, line, &remain))
return (-1);
tmp = remain[fd];
if ((endl = (tmp == NULL ? NULL : ft_strchr(tmp, '\n'))) == NULL)
{
exitval = rec_gnl(fd, line, remain, (tmp != NULL ? ft_strlen(tmp) : 0));
if (tmp != NULL)
{
ft_memcpy(*line, tmp, ft_strlen(tmp));
free(tmp);
}
return (exitval);
}
ret = endl - remain[fd];
*line = ft_strndup(remain[fd], ret);
remain[fd] = ft_strdup(endl + 1);
if (tmp != NULL)
free(tmp);
return (ret + 1);
}
int get_next_line(int const fd, char **line)
{
static t_gnl *gnl = NULL;
t_gnl *fd_gnl;
if (gnl == NULL)
gnl = init_gnl(fd);
fd_gnl = retrieve_gnl_for_fd(gnl, fd);
if (fd_gnl == NULL || line == NULL)
return (-1);
return (get_line(fd_gnl, line));
}
static t_gnl *retrieve_gnl_for_fd(t_gnl *gnl, int fd)
{
while (gnl)
{
if (gnl->fd == fd)
return (gnl);
else if (!gnl->next)
break ;
gnl = gnl->next;
}
if (gnl == NULL)
return (NULL);
else if (!(gnl->next = init_gnl(fd)))
return (NULL);
gnl = gnl->next;
return (gnl);
}
