From 3c5ad3ad89155030f25f1fd8d4a8ba9c98e1618b Mon Sep 17 00:00:00 2001
From: tomoron <tomoron@student.42angouleme.fr>
Date: Tue, 23 Apr 2024 19:54:44 +0200
Subject: [PATCH] cd - et oldpwd pwd

---
 srcs/builtins.c  |  4 ++--
 srcs/cd.c        | 50 +++++++++++++++++++++++++++++++++---------------
 srcs/minishell.h |  4 ++--
 3 files changed, 39 insertions(+), 19 deletions(-)

diff --git a/srcs/builtins.c b/srcs/builtins.c
index 2774c29..9db8d2c 100755
--- a/srcs/builtins.c
+++ b/srcs/builtins.c
@@ -6,7 +6,7 @@
 /*   By: marde-vr <marde-vr@42angouleme.fr>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/03/05 18:20:21 by marde-vr          #+#    #+#             */
-/*   Updated: 2024/04/23 18:08:20 by tomoron          ###   ########.fr       */
+/*   Updated: 2024/04/23 19:54:21 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -30,7 +30,7 @@ int	cmd_is_builtin(t_msh *msh, char *cmd_token)
 		&& cmd_is_forkable_builtin(cmd_token) && ft_strcmp(cmd_token, "export"))
 		return (1);
 	else if (!ft_strcmp(cmd_token, "cd"))
-		g_return_code = cd(msh->tokens, msh->env, msh);
+		g_return_code = cd(msh->tokens, msh);
 	else if (!ft_strcmp(cmd_token, "exit"))
 		g_return_code = exit_bt(msh);
 	else if (!ft_strcmp(cmd_token, "export") && msh->out_type != PIPE)
diff --git a/srcs/cd.c b/srcs/cd.c
index 12ae283..0d68eea 100755
--- a/srcs/cd.c
+++ b/srcs/cd.c
@@ -6,18 +6,18 @@
 /*   By: marde-vr <marde-vr@42angouleme.fr>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/02/16 21:02:54 by marde-vr          #+#    #+#             */
-/*   Updated: 2024/04/23 18:34:12 by tomoron          ###   ########.fr       */
+/*   Updated: 2024/04/23 19:52:01 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "minishell.h"
 
-void	cd_update_pwd(char *new_path, t_msh *msh)
+void	cd_update_pwd(t_msh *msh)
 {
 	char	*pwd;
 	char	*new;
 
-	new = ft_strdup(new_path);
+	new = getcwd(0, 16382);
 	if (!new)
 		return ;
 	pwd = ft_get_env(msh->env, "PWD");
@@ -33,7 +33,34 @@ void	cd_update_pwd(char *new_path, t_msh *msh)
 		msh->env = export_set_env(msh->env, ft_strdup("PWD"), new, 0);
 }
 
-int	cd(t_token *args, t_env *env, t_msh *msh)
+char 	*get_new_wd(t_token *arg, t_msh *msh)
+{
+	char *new_wd;
+
+	if (arg)
+	{
+		new_wd = arg->value;
+		if(ft_strcmp("-", new_wd))
+		{
+			new_wd = ft_get_env(msh->env, "OLDPWD");
+			if(!new_wd)
+				ft_putstr_fd("minishell: cd: OLDPWD not set\n", 2);
+			if(!new_wd)
+				return(0);
+		}
+	}
+	else
+	{
+		new_wd = ft_get_env(msh->env, "HOME");
+		if (!new_wd)
+			ft_putstr_fd("minishell: cd: HOME not set\n", 2);
+		if (!new_wd)
+			return (0);
+	}
+	return(new_wd);
+}
+
+int	cd(t_token *args, t_msh *msh)
 {
 	char	*new_wd;
 
@@ -42,21 +69,14 @@ int	cd(t_token *args, t_env *env, t_msh *msh)
 		ft_printf_fd(2, "minishell: cd: too many arguments\n");
 		return (1);
 	}
-	if (!args->next)
-	{
-		new_wd = ft_get_env(env, "HOME");
-		if (!new_wd)
-			ft_putstr_fd("minishell: cd: HOME not set\n", 2);
-		if (!new_wd)
-			return (1);
-	}
-	else
-		new_wd = args->next->value;
-	cd_update_pwd(new_wd, msh);
+	new_wd = get_new_wd(args->next, msh);
+	if(!new_wd)
+		return(1);
 	if (chdir(new_wd) == -1)
 	{
 		perror("minishell: cd");
 		return (1);
 	}
+	cd_update_pwd(msh);
 	return (0);
 }
diff --git a/srcs/minishell.h b/srcs/minishell.h
index e10a74e..307f27c 100755
--- a/srcs/minishell.h
+++ b/srcs/minishell.h
@@ -6,7 +6,7 @@
 /*   By: marde-vr <marde-vr@42angouleme.fr>         +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/02/04 17:31:38 by tomoron           #+#    #+#             */
-/*   Updated: 2024/04/23 18:42:10 by tomoron          ###   ########.fr       */
+/*   Updated: 2024/04/23 19:52:16 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -156,7 +156,7 @@ int		echo(t_token *args);
 int		exit_bt(t_msh *msh);
 int		is_cmd_type(t_cmd *cmd);
 int		is_cmd_char(char c);
-int		cd(t_token *args, t_env *env, t_msh *msh);
+int		cd(t_token *args, t_msh *msh);
 int		pwd(void);
 
 #endif