From 25bfd0c94678594d1daa9467e89230c5775e8af4 Mon Sep 17 00:00:00 2001
From: Tanguy MAZE <tmaze@student.42.fr>
Date: Thu, 31 Jan 2019 17:58:05 +0100
Subject: [PATCH] WIP adding env exec capabilities

---
 includes/minishell.h |  6 +++-
 srcs/cmd_env.c       | 74 +++++++++++++++++++++++++++++++++++++++++---
 srcs/main.c          |  2 +-
 3 files changed, 75 insertions(+), 7 deletions(-)

diff --git a/includes/minishell.h b/includes/minishell.h
index 8289660..faa075f 100644
--- a/includes/minishell.h
+++ b/includes/minishell.h
@@ -6,7 +6,7 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2018/11/18 13:12:34 by tmaze             #+#    #+#             */
-/*   Updated: 2019/01/29 18:23:45 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/01/31 17:36:17 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -47,4 +47,8 @@ int				ft_isin(char *str, char c);
 char			*check_path_slash(char *exec);
 char			*check_path_dot(char *exec, t_list *env);
 
+void			ft_lstdelenvelem(void *content, size_t size);
+
+t_envelem		*ft_envtoenvelem(char *env);
+
 #endif
diff --git a/srcs/cmd_env.c b/srcs/cmd_env.c
index 2702c90..9f5037f 100644
--- a/srcs/cmd_env.c
+++ b/srcs/cmd_env.c
@@ -6,19 +6,17 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2018/12/14 15:54:45 by tmaze             #+#    #+#             */
-/*   Updated: 2019/01/13 17:48:51 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/01/31 17:57:27 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
 #include "minishell.h"
 
-int	cmd_env(char **argv, t_list **env)
+void	put_env(t_list *env)
 {
 	t_list	*tmp;
 
-	if (argv[1] != NULL)
-		return (0);
-	tmp = *env;
+	tmp = env;
 	while (tmp)
 	{
 		ft_putstr(((t_envelem*)(tmp->content))->key);
@@ -26,5 +24,71 @@ int	cmd_env(char **argv, t_list **env)
 		ft_putendl(((t_envelem*)(tmp->content))->val);
 		tmp = tmp->next;
 	}
+}
+
+t_envelem	*envelemdup(t_envelem *elem)
+{
+	t_envelem	*ret;
+
+	if ((ret = (t_envelem*)ft_memalloc(sizeof(t_envelem))) == NULL)
+		return (NULL);
+	if ((ret->key = ft_strdup(elem->key)) == NULL)
+		ft_memdel(&ret);
+	if (ret == NULL)
+		return (0);
+	if ((ret->val = ft_strdup(elem->val)) == NULL)
+	{
+		ft_strdel(&(ret->key));
+		ft_memdel(&ret);
+		return (NULL);
+	}
+	return (ret);
+}
+
+t_list	*env_cpy(t_list *env)
+{
+	t_list		*ret;
+	t_list		*ind;
+	t_list		*tmp;
+	t_envelem	elem;
+
+	ret = NULL;
+	ind = env;
+	while (ind)
+	{
+		if ((envelem = envelemdup((t_envelem*)ind->val)) == NULL)
+			ft_lstdel(&ret, &lstdelenvelem);
+		if (envelem = NULL)
+			break ;
+		if ((tmp = ft_lstnew((void*)envelem, sizeof(t_envelem))) == NULL
+			|| ft_lstaddend(&ret, tmp) == NULL)
+		{
+			ft_memdel(&envelem);
+			ft_lstdel(&ret, &lstdelenvelem);
+			break ;
+		}
+		ft_memdel(&envelem);
+		ind = ind->next;
+	}
+	return (ret);
+}
+
+int		cmd_env(char **argv, t_list **env)
+{
+	t_list		*env_cp;
+	t_list		*new;
+	t_envelem	*envelem;
+	char		tmp;
+	size_t		i;
+
+	if (argv[1] == NULL)
+		put_env(*env);
+	i = 0;
+	if ((env_cp = env_cpy(*env)) == NULL)
+		return (2);
+	while (argv[++i] && (tmp = ft_strchr(argv[i], '=')))
+	{
+		// add each env arg to a char ** and pass it ti ft_envtolst
+	}
 	return (0);
 }
diff --git a/srcs/main.c b/srcs/main.c
index 51ed87b..7146f58 100644
--- a/srcs/main.c
+++ b/srcs/main.c
@@ -6,7 +6,7 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2018/11/18 13:09:55 by tmaze             #+#    #+#             */
-/*   Updated: 2019/01/24 12:54:27 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/01/31 17:57:41 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */