Firstcommit

2025-08-25 20:07:37 +00:00
commit 8eea3162d5
123 changed files with 2680 additions and 0 deletions
@@ -0,0 +1,102 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   get_next_line.c                                    :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: abelghou <[email protected]>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/07/17 21:31:24 by abelghou          #+#    #+#             */
+/*   Updated: 2024/07/24 18:17:55 by abelghou         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "../include/get_next_line.h"
+
+static char	*sort_and_store(int fd, char *buf, char *backup)
+{
+	int		read_line;
+	char	*char_temp;
+
+	read_line = 1;
+	while (read_line != 0)
+	{
+		read_line = read(fd, buf, BUFFER_SIZE);
+		if (read_line == -1)
+			return (0);
+		else if (read_line == 0)
+			break ;
+		buf[read_line] = '\0';
+		if (!backup)
+			backup = ft_strdup_g("");
+		if (!backup)
+			return (NULL);
+		char_temp = backup;
+		backup = ft_strjoin(char_temp, buf);
+		free(char_temp);
+		char_temp = NULL;
+		if (ft_strchr_gnl (buf, '\n'))
+			break ;
+	}
+	return (backup);
+}
+
+static char	*extract(char *line)
+{
+	size_t	count;
+	char	*backup;
+
+	count = 0;
+	while (line[count] != '\n' && line[count] != '\0')
+		count++;
+	if (line[count] == '\0' || line[1] == '\0')
+		return (0);
+	backup = ft_substr(line, count + 1, ft_strlen_g(line) - count);
+	if (!backup)
+		return (NULL);
+	if (*backup == '\0')
+	{
+		free (backup);
+		backup = NULL;
+	}
+	line[count + 1] = '\0';
+	return (backup);
+}
+
+char	*get_next_line(int fd)
+{
+	char		*line;
+	char		*buf;
+	char		*temp;
+	static char	*backup;
+
+	if (fd < 0 || BUFFER_SIZE <= 0)
+		return (free(backup), backup = NULL, NULL);
+	buf = (char *)malloc(sizeof(char) * (BUFFER_SIZE + 1));
+	if (!buf)
+		return (free(backup), backup = NULL, NULL);
+	line = sort_and_store(fd, buf, backup);
+	free(buf);
+	buf = NULL;
+	if (!line)
+		return (free(backup), backup = NULL, NULL);
+	backup = extract(line);
+	temp = ft_strdup_g(line);
+	free(line);
+	if (!temp)
+		return (free(backup), backup = NULL, NULL);
+	return (temp);
+}
+
+// int main()
+// {
+// 	int fd;
+// 	char *line;
+// 	fd = open("fd.txt", O_RDONLY);
+// 	while((line = get_next_line(fd)) != NULL)
+// 	{
+// 		printf("%s", line);
+// 		free(line);
+// 	}
+// 	line = get_next_line(fd);
+// 	close(fd);
+// }