#include "libft.h"

static char     *ft_realloc(char *line, int size)
{
	char        *str;

	str = (char *)malloc(sizeof(char) * (ft_strlen(line) + size + 1));
	if (str == NULL)
		return (NULL);
	str = ft_strcpy(str, line);
	free(line);
	return (str);
}

int             get_next_line(int const fd, char **line)
{
	static char save[BUFF_SIZE] = "";
	char        buf[BUFF_SIZE + 1];
	int         ret;
	char		*pos;

	*line = (char *)malloc(sizeof(char *) * (BUFF_SIZE + ft_strlen(save) + 1));
	*line = ft_strcpy(*line, save);
	if ((pos = ft_strchr(*line, '\n')))
	{
		/* printf("found \\n in save\n"); */
		/* fflush(stdout); */
		/* ft_putstr(save); */
		ft_strcpy(save, pos + 1);
		*pos = '\0';
		return (1);
	}
	while ((ret = read(fd, buf, BUFF_SIZE)) > 0)
	{
		buf[ret] = '\0';
		/* ft_putstr(buf); */
		/* ft_putchar('/'); */
		if ((pos = ft_strchr(buf, '\n')))
		{
			ft_strcpy(save, pos + 1);
			*pos = '\0';
			ft_strcat(*line, buf);
			return (1);
		}
		if ((*line = ft_realloc(*line, ret)) == NULL)
			return (-1);
		ft_strcat(*line, buf);
	}
	return (0);
}