get_next_line.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   get_next_line.c                                    :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: bsamli <bsamli@student.42istanbul.com.t    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2022/11/01 15:50:30 by bsamli            #+#    #+#             */
/*   Updated: 2022/11/01 15:51:55 by bsamli           ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "get_next_line.h"

char	*ft_read(int fd, char *str)
{
	char	*buff;
	int		rd_byte;

	buff = malloc ((BUFFER_SIZE + 1) * sizeof(char));
	if (!buff)
		return (0);
	rd_byte = 1;
	while (ft_find(str) && rd_byte != 0)
	{
		rd_byte = read(fd, buff, BUFFER_SIZE);
		if (rd_byte == -1)
		{
			free(buff);
			return (0);
		}
		buff[rd_byte] = '\0';
		str = ft_strjoin(str, buff);
	}
	free(buff);
	return (str);
}

char	*get_next_line(int fd)
{
	char		*line;
	static char	*lft_str;

	if (fd < 0 || BUFFER_SIZE <= 0)
		return (0);
	lft_str = ft_read(fd, lft_str);
	if (!lft_str)
		return (0);
	line = ft_line(lft_str);
	lft_str = ft_clean(lft_str);
	return (line);
}