[FIX] fixed the cd builtin

Makefile

@@ -5,7 +5,7 @@ SRCS = src/
 # include directory
 INCLUDES = include/ libtf/ libft/
 # .c files in src/ without the extension
-CODE = main ask_command error path parse_command exec_command builtin echo_builtin\
+CODE = main ask_command error path parse_command exec_command builtin builtin2\
 	signals cool_readline
 # directories to 'make'
 LIBRARIES = libtf libft

include/builtins.h

@@ -6,7 +6,7 @@
 /*   By: jschaft <cecile.schaft@orange.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/04/23 14:15:12 by mcolonna          #+#    #+#             */
-/*   Updated: 2024/06/25 13:31:08 by jschaft          ###   ########.fr       */
+/*   Updated: 2024/06/27 14:36:14 by jschaft          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -24,5 +24,6 @@ int			exec_builtin(t_call call, char *const envp[]);
 // Execute echo builtin
 int			echo_builtin(const char **argv);
 
+int			cd_builtin(char *const *path, char *const envp[]);
 
 #endif

src/builtin.c

@@ -6,7 +6,7 @@
 /*   By: jschaft <cecile.schaft@orange.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/03 12:02:45 by jschaft           #+#    #+#             */
-/*   Updated: 2024/06/25 13:58:48 by jschaft          ###   ########.fr       */
+/*   Updated: 2024/06/27 13:52:00 by jschaft          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -26,21 +26,6 @@ bool	is_builtin(const char *str)
 		|| ft_strncmp(str, "unset", 6) == 0);
 }
 
-// Execute the builtin cd for the specified path.
-// Return 0 if success, errno if error.
-static int	cd_builtin(const char *path)
-{
-	int	r;
-
-	r = chdir(path);
-	if (r)
-	{
-		perror("cd");
-		return (errno);
-	}
-	return (0);
-}
-
 //Execute the builtin pwd for the current directory.
 // Return 0 for the sake of returning something for exec_builtin
 static int	pwd_builtin(void)
@@ -79,7 +64,7 @@ void	exit_builtin(void)
 int	exec_builtin(t_call call, char *const envp[])
 {
 	if (ft_strncmp(call.program, "cd", 3) == 0)
-		return (cd_builtin(call.argv[1]));
+		return (cd_builtin(call.argv, envp));
 	if (ft_strncmp(call.program, "exit", 5) == 0)
 		exit_builtin();
 /*	if (ft_strncmp(call.program, "export", 7) == 0)

src/builtin2.c

@@ -1,12 +1,12 @@
 /* ************************************************************************** */
 /*                                                                            */
 /*                                                        :::      ::::::::   */
-/*   echo_builtin.c                                     :+:      :+:    :+:   */
+/*   builtin2.c                                         :+:      :+:    :+:   */
 /*                                                    +:+ +:+         +:+     */
 /*   By: jschaft <cecile.schaft@orange.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/06/25 13:28:29 by jschaft           #+#    #+#             */
-/*   Updated: 2024/06/25 13:55:12 by jschaft          ###   ########.fr       */
+/*   Updated: 2024/06/27 14:35:22 by jschaft          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -19,13 +19,13 @@ int	echo_builtin(const char **argv)
 
 	i = 1;
 	opt = 0;
-	if (argv[1] != NULL)	
+	if (argv[1] != NULL)
 	{
 		if (!ft_strncmp(argv[1], "-n", 3))
-        {
+		{
 			opt = 1;
-            i++;
+			i++;
-        }
+		}
 	}
 	while (argv[i] != NULL)
 	{
@@ -34,7 +34,52 @@ int	echo_builtin(const char **argv)
 			printf(" ");
 		i++;
 	}
-    if (opt == 0)
+	if (opt == 0)
-	    printf("\n");
+		printf("\n");
+	return (0);
+}
+
+static int	go_home(char *const envp[])
+{
+	char	**path;
+	int		r;
+	int		i;
+
+	i = 0;
+	while (ft_strncmp(envp[i], "HOME=", 5) != 0)
+		i++;
+	path = ft_split(envp[i], '=');
+	r = chdir(path[1]);
+	free(path[0]);
+	free(path[1]);
+	free(path);
+	return (r);
+}
+
+// Execute the builtin cd for the specified path.
+// Return 0 if success, errno if error.
+int	cd_builtin(char *const *path, char *const envp[])
+{
+	int	r;
+	int	i;
+
+	i = 0;
+	while (path[i] != NULL)
+		i++;
+	i--;
+	if (i == 1)
+		r = chdir(path[1]);
+	if (i == 0)
+		r = go_home(envp);
+	if (i != 0 && i != 1)
+	{
+		printf("cd: Too many arguments\n");
+		return (0);
+	}
+	if (r)
+	{
+		perror("cd");
+		return (errno);
+	}
 	return (0);
 }

src/main.c

@@ -6,7 +6,7 @@
 /*   By: jschaft <cecile.schaft@orange.fr>          +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/04/23 14:33:45 by mcolonna          #+#    #+#             */
-/*   Updated: 2024/06/25 14:08:55 by jschaft          ###   ########.fr       */
+/*   Updated: 2024/06/27 14:09:18 by jschaft          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -78,8 +78,12 @@ int	main(const int argc, const char *argv[], char *const envp[])
 	t_env			env;
 	t_list			variables;
 
-	(void)argc;
 	(void)argv;
+	if (argc != 1)
+	{
+		printf("Error: No argument needed\n");
+		return (0);
+	}
 	env.exit = false;
 	env.mc_global = mem_newclass(fatal_error);
 	set_global_mc(env.mc_global);