add persistent history

.gitignore

@@ -3,4 +3,4 @@ a.out
 *.d
 *.o
 obj/
-.vscode
+.minishell_history

inc/prompt.h

@@ -6,7 +6,7 @@
 /*   By: whaffman <whaffman@student.codam.nl>         +#+                     */
 /*                                                   +#+                      */
 /*   Created: 2025/02/04 16:35:35 by whaffman      #+#    #+#                 */
-/*   Updated: 2025/02/05 16:05:44 by whaffman      ########   odam.nl         */
+/*   Updated: 2025/02/05 17:05:32 by whaffman      ########   odam.nl         */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -17,5 +17,7 @@
 
 void	print_banner(void);
 char	*ft_prompt(t_minishell *minishell);
+void	ft_write_history(char *line);
+void	ft_load_history(void);
 
 #endif // PROMPT_H

src/main.c

@@ -6,7 +6,7 @@
 /*   By: whaffman <whaffman@student.codam.nl>         +#+                     */
 /*                                                   +#+                      */
 /*   Created: 2025/02/04 16:19:22 by whaffman      #+#    #+#                 */
-/*   Updated: 2025/02/05 16:28:45 by whaffman      ########   odam.nl         */
+/*   Updated: 2025/02/05 17:06:47 by whaffman      ########   odam.nl         */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,6 +19,7 @@ int	main(int argc, char **argv, char **envp)
 	(void)argc;
 	(void)argv;
 	print_banner();
+	ft_load_history();
 	minishell = init_minishell();
 	parse_enviroment(envp, &(minishell->enviroment));
 	while (TRUE)

src/prompt/ft_load_history.c

@@ -0,0 +1,34 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        ::::::::            */
+/*   ft_load_history.c                                  :+:    :+:            */
+/*                                                     +:+                    */
+/*   By: whaffman <whaffman@student.codam.nl>         +#+                     */
+/*                                                   +#+                      */
+/*   Created: 2025/02/05 16:44:51 by whaffman      #+#    #+#                 */
+/*   Updated: 2025/02/05 17:11:59 by whaffman      ########   odam.nl         */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+void	ft_load_history(void)
+{
+	int		fd;
+	char	*line;
+
+	fd = open(".minishell_history", O_RDONLY);
+	if (fd < 0)
+		return ;
+	while (TRUE)
+	{
+		line = get_next_line(fd);
+		if (!line)
+			return ;
+		line[ft_strlen(line) - 1] = '\0';
+		if (*line)
+			add_history(line);
+		free(line);
+	}
+	close(fd);
+}

src/prompt/ft_write_history.c

@@ -0,0 +1,25 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        ::::::::            */
+/*   ft_write_history.c                                 :+:    :+:            */
+/*                                                     +:+                    */
+/*   By: whaffman <whaffman@student.codam.nl>         +#+                     */
+/*                                                   +#+                      */
+/*   Created: 2025/02/05 17:12:17 by whaffman      #+#    #+#                 */
+/*   Updated: 2025/02/05 17:12:23 by whaffman      ########   odam.nl         */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+void	ft_write_history(char *line)
+{
+	int		fd;
+
+	fd = open(".minishell_history", O_WRONLY | O_APPEND | O_CREAT, 0644);
+	if (fd < 0)
+		return ;
+	if (*line)
+		ft_putendl_fd(line, fd);
+	close(fd);
+}

src/prompt/prompt.c

@@ -6,7 +6,7 @@
 /*   By: whaffman <whaffman@student.codam.nl>         +#+                     */
 /*                                                   +#+                      */
 /*   Created: 2025/02/04 16:13:08 by whaffman      #+#    #+#                 */
-/*   Updated: 2025/02/05 16:18:18 by whaffman      ########   odam.nl         */
+/*   Updated: 2025/02/05 17:05:12 by whaffman      ########   odam.nl         */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -75,6 +75,9 @@ char	*ft_prompt(t_minishell *minishell)
 	line = readline(prompt);
 	free(prompt);
 	if (line != NULL)
+	{
 		add_history(line);
+		ft_write_history(line);
+	}
 	return (line);
 }