get_next_line.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   get_next_line.c                                    :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: susajid <susajid@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2023/11/15 12:46:09 by susajid           #+#    #+#             */
/*   Updated: 2023/11/27 11:15:21 by susajid          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

// #include <fcntl.h>
// #include <stdio.h>
#include "get_next_line.h"

char	*get_next_line(int fd)
{
	static char	*remaining;
	char		*result;
	char		*temp;
	int			bytes;

	bytes = find_line(fd, &remaining);
	if (bytes < 0)
	{
		free(remaining);
		remaining = NULL;
		return (NULL);
	}
	result = ft_substr(remaining, 0, bytes);
	if (!result)
	{
		free(remaining);
		remaining = NULL;
		return (NULL);
	}
	temp = remaining;
	remaining = ft_substr(remaining, bytes, ft_strlen(remaining + bytes));
	free(temp);
	return (result);
}

// test.txt

// hello
// world
// line
// universe
// school

// int main(void)
// {
// 	int fd = open("test.txt", O_RDONLY);
// 	char *line = get_next_line(fd);
// 	printf("Test Case 1 Result: %s", line);
// 	free(line);

// 	line = get_next_line(fd);
// 	printf("Test Case 2 Result: %s", line);
// 	free(line);

// 	line = get_next_line(fd);
// 	printf("Test Case 3 Result: %s", line);
// 	free(line);

// 	line = get_next_line(fd);
// 	printf("Test Case 4 Result: %s", line);
// 	free(line);

// 	line = get_next_line(fd);
// 	printf("Test Case 5 Result: %s", line);
// 	free(line);

// 	line = get_next_line(fd);
// 	printf("Test Case 6 Result: %s", line);
// 	free(line);

// 	close(fd);
// 	printf("\n%s\n", get_next_line(fd));

// 	return (0);
// }