feature: added execution of commands from path

srcs/ms_env.c

@@ -6,7 +6,7 @@
 /*   By: tmaze <tmaze@student.42.fr>                +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2019/09/20 11:43:53 by tmaze             #+#    #+#             */
-/*   Updated: 2019/09/26 16:48:37 by tmaze            ###   ########.fr       */
+/*   Updated: 2019/09/27 16:21:14 by tmaze            ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -68,3 +68,51 @@ t_env	*lstaddend(t_env **alst, t_env *new)
 	return (*alst);
 }
 
+t_env	*lstgetelem(char *key, t_env *env)
+{
+	t_env	*it;
+
+	it = env;
+	while (it && !ft_strequ(it->key, key))
+		it = it->next;
+	return (it);
+}
+
+char	**lsttotab(t_env *env)
+{
+	t_env	*it;
+	char	*new;
+	char	**ret;
+	size_t	size;
+	int		i;
+
+	i = 0;
+	ret = NULL;
+	it = env;
+	while (it)
+	{
+		i++;
+		it = it->next;
+	}
+	if ((ret = (char**)ft_memalloc(sizeof(char*) * (i + 1))) == NULL)
+		return (NULL);
+	while (i >= 0)
+		ret[i--] = NULL;
+	it = env;
+	i = 0;
+	while (it)
+	{
+		size = ft_strlen(it->key) + ft_strlen(it->val) + 1;
+		if ((new = ft_strnew(size))	== NULL)
+		{
+			ft_del_words_tables(&ret);
+			break ;
+		}
+		ft_strlcpy(new, it->key, size);
+		ft_strlcat(new, "=", size);
+		ft_strlcat(new, it->val, size);
+		ret[i++] = new;
+		it = it->next;
+	}
+	return (ret);
+}