Print help when inputs don't make sense

diff --git a/philo/main.c b/philo/main.c
index c736ff6a0291bbe6dde8b75442b510c25df20b0e..1f9e9cb324e6627fe01ee819be6dda26d704a2c2 100644 (file)
--- a/philo/main.c
+++ b/philo/main.c
@@ -121,6 +121,8 @@ int main(int argc, char **argv)
 
        if (parse_input(&diner.setting, argc, argv))
        {
+               printf("The usage is:\n\tphilo PHILO_COUNT TIME_TO_DIE "
+                       "TIME_TO_EAT TIME_TO_SLEEP [NUMBER_TO_BE_WELL_FED]\n");
                return (1);
        }
        if (init(&diner, &threads))