The source files

src/get_next_line.c

@@ -0,0 +1,92 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   get_next_line.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: shovsepy <[email protected]>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2021/02/14 05:22:17 by shovsepy          #+#    #+#             */
+/*   Updated: 2021/02/14 05:22:30 by shovsepy         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "../includes/get_next_line.h"
+
+char	*ft_get_line(char *save)
+{
+	char	*new_line;
+	int		i;
+
+	i = 0;
+	while (save && save[i] != '\0' && save[i] != '\n')
+		i++;
+	new_line = malloc((i + 1));
+	if (!new_line)
+		return (NULL);
+	i = 0;
+	while (save && save[i] != '\0' && save[i] != '\n')
+	{
+		new_line[i] = save[i];
+		i++;
+	}
+	new_line[i] = '\0';
+	return (new_line);
+}
+
+char	*ft_clearmemory(char *memory)
+{
+	char	*temp;
+	int		len;
+	int		i;
+	int		j;
+
+	i = 0;
+	if (!memory)
+		return (NULL);
+	while (memory[i] != '\0' && memory[i] != '\n')
+		i++;
+	if (memory[i] == '\0')
+	{
+		free(memory);
+		return (NULL);
+	}
+	len = ft_strlen(memory) - i;
+	if (!(temp = malloc(sizeof(char) * (len + 1))))
+		return (NULL);
+	i++;
+	j = 0;
+	while (memory[i] != '\0')
+		temp[j++] = memory[i++];
+	temp[j] = '\0';
+	free(memory);
+	return (temp);
+}
+
+int	get_next_line(int fd, char **line)
+{
+	int				r;
+	char			*buffer;
+	static char		*save;
+
+	if (fd < 0 || !line || BUFFER_SIZE <= 0)
+		return (-1);
+	buffer = malloc(BUFFER_SIZE + 1);
+	if (!buffer)
+		return (-1);
+	r = read(fd, buffer, BUFFER_SIZE);
+	while (r > 0)
+	{
+		buffer[r] = '\0';
+		save = ft_strjoin(save, buffer);
+		if (ft_strchr(save, '\n') || ft_strchr(save, '\0'))
+			break ;
+	}
+	free(buffer);
+	if (r < 0)
+		return (-1);
+	*line = ft_get_line(save);
+	save = ft_clearmemory(save);
+	if (r == 0 && !save)
+		return (0);
+	return (1);
+}

src/get_next_line_utils.c

@@ -0,0 +1,72 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   get_next_line_utils.c                              :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: shovsepy <[email protected]>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2021/02/14 05:23:12 by shovsepy          #+#    #+#             */
+/*   Updated: 2021/02/14 05:23:14 by shovsepy         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "../includes/get_next_line.h"
+
+unsigned long	ft_strlen(const char *s)
+{
+	unsigned long	i;
+
+	i = 0;
+	if (!s)
+		return (0);
+	while (s[i])
+		i++;
+	return (i);
+}
+
+char	*ft_strjoin(char *s1, char *s2)
+{
+	char	*join;
+	int		i;
+	int		j;
+
+	join = malloc(sizeof(char) * (ft_strlen(s1) + ft_strlen(s2) + 1));
+	if (!join)
+		return (NULL);
+	i = 0;
+	j = 0;
+	if (s1)
+		while (s1[i] != '\0')
+			join[j++] = s1[i++];
+	i = 0;
+	if (s2)
+		while (s2[i] != '\0')
+			join[j++] = s2[i++];
+	join[j] = '\0';
+	free(s1);
+	return (join);
+}
+
+int	ft_strchr(const char *s, int c)
+{
+	size_t	i;
+
+	i = 0;
+	while (s[i])
+	{
+		if (s[i] == c)
+			return (1);
+		i++;
+	}
+	return (0);
+}
+
+int	ft_get_line_size(char *s)
+{
+	int	i;
+
+	i = 0;
+	while (s[i] != '\n' && s[i] != '\0')
+		i++;
+	return (i);
+}