Add all files, first commit

1 files changed, 83 insertions, 0 deletions

diff --git a/src/philos.c b/src/philos.c
new file mode 100644
index 0000000..17cb34d
--- /dev/null
+++ b/src/philos.c
@@ -0,0 +1,83 @@
+#include "codexion.h"
+# include <stdlib.h>   // for atoi(), malloc()
+
+t_philo	*create_philo(t_sim *sim)
+{
+	t_philo	*philo;
+
+	philo = NULL;
+	philo = (t_philo *)malloc(sizeof(t_philo));
+	if (!philo)
+	{
+		free_philos(sim);
+		free(sim);
+		return (NULL);
+	}
+	philo->beginning_last_eat_time = 0;
+	philo->number_of_eats_done = 0;
+	philo->ticket = 0;
+	philo->sim = sim;
+	return (philo);
+}
+
+t_philo	**create_arr_philos(t_sim *sim)
+{
+	t_philo	**philos;
+	t_philo	*philo;
+	int		i;
+	int		number_of_philos;
+
+	number_of_philos = sim->number_of_philos;
+	philos = (t_philo **)malloc(sizeof(t_philo *) * (number_of_philos + 1));
+	if (!philos)
+	{
+		free(sim);
+		return (NULL);
+	}
+	i = 0;
+	while (i < number_of_philos)
+	{
+		philo = create_philo(sim);
+		if (!philo)
+			return (NULL);
+		philo->id = i + 1;
+		philos[i++] = philo;
+	}
+	sim->number_of_philos_actual = i;
+	philos[i] = NULL;
+	sim->philos = philos;
+	return (philos);
+}
+
+/* this function assigns 2 philos to each forks     */
+/* the 'if' is used to assign the last philo to the   */
+/* first fork. Then, in the 'else', the i is offset */
+/* by minus 1 to assign the first philo to the second */
+/* fork                                             */
+t_fork	**assign_philos(t_sim *sim)
+{
+	t_fork	**forks;
+	t_philo		**philos;
+	int			number_of_philos;
+	int			i;
+
+	forks = sim->forks;
+	philos = sim->philos;
+	number_of_philos = sim->number_of_philos;
+	i = 0;
+	while (forks[i])
+	{
+		if (i == 0)
+		{
+			forks[i]->left_philo = philos[number_of_philos - 1];
+			forks[i]->right_philo = philos[i];
+		}
+		else
+		{
+			forks[i]->left_philo = philos[i - 1];
+			forks[i]->right_philo = philos[(i) % number_of_philos];
+		}
+		i++;
+	}
+	return (forks);
+}