bonus, first implementation

get_next_line.c

@@ -6,7 +6,7 @@
 /*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/10/26 00:52:47 by cchauvet          #+#    #+#             */
-/*   Updated: 2022/10/28 16:01:01 by cchauvet         ###   ########.fr       */
+/*   Updated: 2022/11/14 15:37:48 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 

get_next_line.h

@@ -1,7 +1,20 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   get_next_line.h                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angouleme.fr  +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/11/14 15:38:06 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/11/14 15:40:13 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
 #ifndef GET_NEXT_LINE_H
 # define GET_NEXT_LINE_H
 # include <stdlib.h>
 # include <unistd.h>
+# define BUFFER_SIZE 42
 
 void	*ft_calloc(size_t nmemb, size_t size);
 void	*ft_realloc(void *ptr, size_t size);

get_next_line_bonus.h

@@ -0,0 +1,104 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   get_next_line_bonus.h                              :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2022/10/26 00:52:47 by cchauvet          #+#    #+#             */
+/*   Updated: 2022/11/14 15:45:00 by cchauvet         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "get_next_line.h"
+
+char	*ft_getstash(int fd)
+{
+	char	*str;
+	int		readed;
+
+	str = ft_calloc(BUFFER_SIZE + 1, sizeof(char));
+	if (str == NULL)
+		return (NULL);
+	readed = read(fd, str, BUFFER_SIZE);
+	if (readed < 1)
+	{
+		free(str);
+		return (NULL);
+	}
+	return (str);
+}
+
+char	*ft_getline(int fd)
+{
+	char		*stash;
+	char		*buf;
+
+	stash = NULL;
+	buf = NULL;
+	while (ft_strchr(stash, '\n') == -1)
+	{
+		buf = ft_getstash(fd);
+		if (buf == NULL)
+			return (stash);
+		stash = ft_strfjoin(stash, buf);
+		if (stash == NULL)
+			return (NULL);
+	}
+	return (stash);
+}
+
+char	*ft_getreturn(char *str)
+{
+	int	i;
+
+	if (str == NULL)
+		return (NULL);
+	i = ft_strchr(str, '\n') + 1;
+	if (i == 0)
+		i = ft_strlen(str);
+	return (ft_strndup(str, i));
+}
+
+char	*ft_getextra(char *str)
+{
+	int	i;
+	int	j;
+
+	if (str == NULL)
+		return (NULL);
+	i = ft_strchr(str, '\n') + 1;
+	if (i == 0)
+		return (NULL);
+	j = ft_strlen(str + i);
+	return (ft_strndup(str + i, j));
+}
+
+char	*get_next_line(int fd)
+{
+	static char	*stash[1024] = NULL;
+	char		*buf1;
+	char		*buf2;
+
+	buf2 = stash[fd];
+	if (ft_strchr(stash[fd], '\n') == -1)
+	{
+		buf1 = ft_getline(fd);
+		buf2 = ft_strfjoin(stash[fd], buf1);
+		if (buf2 == NULL)
+		{
+			free(buf1);
+			return (NULL);
+		}
+	}
+	buf1 = ft_getreturn(buf2);
+	stash[fd] = ft_getextra(buf2);
+	free(buf2);
+	if (buf1 == NULL)
+	{
+		free(stash[fd]);
+		free(buf1);
+		return (NULL);
+	}
+	return (buf1);
+}

get_next_line_utils.c

@@ -6,7 +6,7 @@
 /*   By: cchauvet <cchauvet@student.42angoulem      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2022/10/26 00:55:44 by cchauvet          #+#    #+#             */
-/*   Updated: 2022/10/28 14:38:10 by cchauvet         ###   ########.fr       */
+/*   Updated: 2022/11/14 15:39:50 by cchauvet         ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -30,6 +30,7 @@ void	*ft_calloc(size_t nmemb, size_t size)
 	}
 	return ((void *) tab);
 }
+
 size_t	ft_strlen(char *str)
 {
 	size_t	i;
@@ -44,8 +45,8 @@ size_t	ft_strlen(char *str)
 
 char	*ft_strfjoin(char *s1, char *s2)
 {
-	size_t	i;
+	ssize_t	i;
-	size_t	j;
+	ssize_t	j;
 	char	*out;
 
 	out = ft_calloc((ft_strlen(s1) + ft_strlen(s2) + 1), sizeof(char));
@@ -61,14 +62,11 @@ char	*ft_strfjoin(char *s1, char *s2)
 		}
 	}
 	free(s1);
-	j = 0;
+	j = -1;
 	if (s2 != NULL)
 	{
-		while (s2[j] != '\0')
+		while (s2[++j] != '\0')
-		{
 			out[i + j] = s2[j];
-			j++;
-		}
 	}
 	free(s2);
 	return (out);
@@ -106,4 +104,3 @@ ssize_t	ft_strchr(char *str, char c)
 		return (-1);
 	return (i);
 }
-