ca parait bon

libftx/extra/ft_realloc.c

@@ -26,6 +26,7 @@ void	*ft_realloc(void *tab, size_t size, size_t new_size, int bytes)
 		new[i] = ((char *) tab)[i];
 		i++;
 	}
-	free(tab);
+	if (tab != NULL)
+		free(tab);
 	return (new);
 }