diff --git a/srcs/ft_ping.c b/srcs/ft_ping.c
index e5a4cb8..a14a4b9 100644
--- a/srcs/ft_ping.c
+++ b/srcs/ft_ping.c
@@ -6,7 +6,7 @@
 /*   By: tomoron <tomoron@student.42angouleme.fr>   +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/04/24 00:03:56 by tomoron           #+#    #+#             */
-/*   Updated: 2025/04/25 23:05:43 by tomoron          ###   ########.fr       */
+/*   Updated: 2025/04/25 23:25:43 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -70,7 +70,10 @@ void parse_opt(int *i, t_settings *set, int argc, char **argv)
 	else if(!strcmp(argv[*i], "-w") || !strncmp(argv[*i], "--timeout", 9))
 		set->timeout = get_setting(i, argc, argv, 9);
 	else if(!strncmp(argv[*i], "--ttl", 5))
+	{
 		set->ttl = get_setting(i, argc, argv, 5);
+		set->setTtl = 1;
+	}
 	else if(!strcmp(argv[*i], "-f") || !strcmp(argv[*i], "--flood"))
 		set->flood = 1;
 	else if(!strcmp(argv[*i], "-n") || !strcmp(argv[*i], "--numeric"))
@@ -80,19 +83,25 @@ void parse_opt(int *i, t_settings *set, int argc, char **argv)
 		fprintf(stderr, "%s: unrecognized option '%s'\n", argv[0], argv[*i]);
 		set->err = 1;
 	}
-	(*i)++;
 }
 
 int add_host(t_settings *res, char *host)
 {
 	t_host_list *new;
+	t_host_list *tmp;
 
 	new = malloc(sizeof(t_host_list));
 	if(!new)
 		return(0);
 	new->host = host;
-	new->next = res->hosts;
-	res->hosts = new;
+	new->next = 0;
+	tmp = res->hosts;
+	while(tmp && tmp->next)
+		tmp = tmp->next;
+	if(tmp)
+		tmp->next = new;
+	else
+		res->hosts = new;
 	return(1);
 }
 
@@ -102,12 +111,37 @@ void free_hosts(t_host_list *list)
 
 	while(list)
 	{
+		printf("free : %s\n", list->host);
 		tmp = list->next;
 		free(list);
 		list = tmp;
 	}
 }
 
+void init_defaults(t_settings *set)
+{
+	set->count = -1;
+	set->timeout = -1;
+}
+
+int check_values(t_settings *set, char *name)
+{
+	if(set->setTtl)
+	{
+		if(set->ttl == 0)
+		{
+			fprintf(stderr, "%s: option value too small: %d\n", name, set->ttl);
+			return(0);
+		}
+		else if (set->ttl >= 256)
+		{
+			fprintf(stderr, "%s: option value too big: %d\n", name, set->ttl);
+			return(0);
+		}
+	}
+	return(1);
+}
+
 t_settings parse_args(int argc, char **argv)
 {
 	int i;
@@ -115,6 +149,7 @@ t_settings parse_args(int argc, char **argv)
 
 	i = 1;
 	bzero(&res, sizeof(t_settings));
+	init_defaults(&res);
 	while(i < argc)
 	{
 		if(*argv[i] == '-')
@@ -127,7 +162,9 @@ t_settings parse_args(int argc, char **argv)
 				return(res);
 			}
 		}
+		i++;
 	}
+	check_values(&res, argv[0]);
 	return(res);
 }
 
@@ -146,6 +183,6 @@ int main(int argc, char **argv)
 		fprintf(stderr, "%s: missing host operand\n", argv[0]);
 		return(64);
 	}
-
+	free_hosts(settings.hosts);
 	return(0);
 }
diff --git a/srcs/includes/ft_ping.h b/srcs/includes/ft_ping.h
index 9554a43..7fbd037 100644
--- a/srcs/includes/ft_ping.h
+++ b/srcs/includes/ft_ping.h
@@ -41,6 +41,7 @@ typedef struct s_settings
 	short		flood;	// -f (--flood)
 	short		no_resolve; //-n (--numeric)
 	int			ttl;	// --ttl
+	short		setTtl; // is ttl set
 	
 	short		stop;
 	short		err;