diff --git a/srcs/parsing.c b/srcs/parsing.c
index 9aa2034..938ce89 100644
--- a/srcs/parsing.c
+++ b/srcs/parsing.c
@@ -6,48 +6,52 @@
 /*   By: tomoron <tomoron@student.42angouleme.fr>   +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2025/04/26 17:01:53 by tomoron           #+#    #+#             */
-/*   Updated: 2025/08/20 16:42:02 by tomoron          ###   ########.fr       */
+/*   Updated: 2025/08/20 17:07:58 by tomoron          ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 #include "includes/ft_ping.h"
 
 int get_set_int(char *arg, t_settings *set)
 {
-	char *tmp;
+	long value;
+	char *end;
 
-	tmp = arg;
-	while(*tmp)
+	value = strtol(arg, &end, 10);
+	if(*end)
 	{
-		if(!isdigit(*tmp))
-		{
-			fprintf(stderr, "%s: invalid value (`%s' near `%s')\n", set->name, arg, tmp);
-			set->err = 1;
-			return(0);
-		}
-		tmp++;
+		fprintf(stderr, "%s: invalid value (`%s' near `%s')\n", set->name, arg, end);
+		set->err = 1;
+		return(0);
 	}
-	return(atoi(arg));
+	if(errno == ERANGE || value > INT32_MAX || value < INT32_MIN)
+	{
+		fprintf(stderr, "%s: option value too big : %s", set->name, arg);
+		set->err = 1;
+		return(0);
+	}
+	return((int) value);
 }
 
 double get_set_float(char *arg, t_settings *set)
 {
-	char *tmp;
-	int point;
+	float value;
+	char *end;
 
-	tmp = arg;
-	while(*tmp)
+	value = strtol(arg, &end, 10);
+	if(*end)
 	{
-		if((!isdigit(*tmp) && *tmp != '.') || (*tmp == '.' && point))
-		{
-			fprintf(stderr, "%s: invalid value (`%s' near `%s')\n", set->name, arg, tmp);
-			set->err = 1;
-			return(0);
-		}
-		if(*tmp == '.')
-			point = 1;
-		tmp++;
+		fprintf(stderr, "%s: invalid value (`%s' near `%s')\n", set->name, arg, end);
+		set->err = 1;
+		return(0);
 	}
-	return(atof(arg));
+	if(errno == ERANGE) 
+	{
+		fprintf(stderr, "%s: option value too big : %s", set->name, arg);
+		set->err = 1;
+		return(0);
+	}
+	return(value);
+
 }
 
 int check_values(t_settings *set, char *name)
@@ -59,7 +63,7 @@ int check_values(t_settings *set, char *name)
 			fprintf(stderr, "%s: option value too small: %d\n", name, set->ttl);
 			return(0);
 		}
-		else if (set->ttl >= 256)
+		else if (set->ttl >= 256 || set->ttl < 0)
 		{
 			fprintf(stderr, "%s: option value too big: %d\n", name, set->ttl);
 			return(0);
@@ -145,6 +149,9 @@ int parse_args(int argc, char **argv, t_settings *set)
 		}
 	}
 
+	if(set->err)
+		return(1);
+
 	while (optind < argc)
 	{
 		if (!add_host(set, argv[optind]))