starnakin/42_Philosopher
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

clean: norm

Browse Source
This commit is contained in:
Camille Chauvet 2023-04-27 12:05:14 +00:00
parent 7e7538aa40
commit 796e186c36
21 changed files with 434 additions and 169 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Makefile
View File

@ -7,8 +7,10 @@ SRCS = parsing.c \
main.c \
time.c \
print.c \
print2.c \
data.c \
philo.c \
philo_routine.c \
philos.c \
threads.c

36
data.c
View File

@ -1,7 +1,20 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* data.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:28:36 by cchauvet #+# #+# */
/* Updated: 2023/04/27 12:04:31 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include <pthread.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
#include "./data.h"
#include "philo.h"
@ -10,7 +23,7 @@
bool data_init(t_data *data)
{
size_t i;
ssize_t i;
data->stop = 0;
data->forks = malloc(sizeof(pthread_mutex_t) * data->nb_philos);
@ -19,10 +32,9 @@ bool data_init(t_data *data)
memset(data->forks, 1, data->nb_philos);
data->philos = malloc(sizeof(t_philo) * data->nb_philos);
if (data->philos == NULL)
{
free(data->forks);
if (data->philos == NULL)
return (1);
}
data->threads = malloc(sizeof(pthread_t) * data->nb_philos);
if (data->forks == NULL)
{
@ -30,12 +42,9 @@ bool data_init(t_data *data)
free(data->forks);
return (1);
}
i = 0;
while (i < data->nb_philos)
{
i = -1;
while (++i < (ssize_t) data->nb_philos)
pthread_mutex_init(&data->forks[i], NULL);
i++;
}
pthread_mutex_init(&data->stop_mutex, NULL);
pthread_mutex_init(&data->print_mutex, NULL);
return (0);
@ -43,12 +52,12 @@ bool data_init(t_data *data)
void data_destroyer(t_data *data)
{
size_t i;
ssize_t i;
t_philo *philo;
bool stop;
i = 0;
while (i < data->nb_philos)
while (i < (ssize_t) data->nb_philos)
{
philo = data->philos[i];
pthread_mutex_lock(&philo->stop_mutex);
@ -58,12 +67,9 @@ void data_destroyer(t_data *data)
i++;
usleep(1000);
}
i = 0;
while (i < data->nb_philos)
{
i = -1;
while (++i < (ssize_t) data->nb_philos)
pthread_mutex_destroy(&data->forks[i]);
i++;
}
pthread_mutex_destroy(&data->stop_mutex);
pthread_mutex_destroy(&data->print_mutex);
free(data->threads);

13
data.h
View File

@ -1,3 +1,15 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* data.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:33:06 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:33:06 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef DATA_H
# define DATA_H
# include <pthread.h>
@ -20,4 +32,5 @@ typedef struct s_data
bool data_init(t_data *data);
void data_destroyer(t_data *data);
size_t get_min_meal(t_data *data);
#endif

59
main.c
View File

@ -1,3 +1,15 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* main.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:33:25 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:49:33 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include <pthread.h>
#include <stdbool.h>
#include <stddef.h>
@ -44,33 +56,42 @@ void stop(t_data *data)
pthread_mutex_unlock(&data->stop_mutex);
}
void *check_routine(t_data *data)
int routine(t_data *data)
{
size_t i;
bool ok;
t_philo *philo;
i = 0;
while (i < data->nb_philos)
{
philo = data->philos[i];
pthread_mutex_lock(&philo->last_eat_mutex);
ok = !(philo->last_eat + data->life_expectency > get_time());
pthread_mutex_unlock(&philo->last_eat_mutex);
if (ok == 1)
{
stop(data);
print_died(philo);
return (1);
}
if (get_min_meal(data) >= data->nb_meals)
{
stop(data);
return (1);
}
i++;
}
return (0);
}
void *check_routine(t_data *data)
{
while (true)
{
i = 0;
while (i < data->nb_philos)
if (routine(data))
{
philo = data->philos[i];
pthread_mutex_lock(&philo->last_eat_mutex);
ok = !(philo->last_eat + data->life_expectency > get_time());
pthread_mutex_unlock(&philo->last_eat_mutex);
if (ok == 1)
{
stop(data);
print_died(philo);
return (NULL);
}
if (get_min_meal(data) >= data->nb_meals)
{
stop(data);
return (NULL);
}
i++;
return (NULL);
}
}
}

12
parsing.c
View File

@ -1,3 +1,15 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* parsing.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:34:57 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:34:58 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include "utils/utils.h"
#include "./data.h"
#include <stdbool.h>

17
parsing.h
View File

@ -1,4 +1,19 @@
#include "./data.h"
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* parsing.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:39:55 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:40:42 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef PARSING_H
# define PARSING_H
# include "./data.h"
bool parsing(t_data *data, char **args, size_t n);
#endif

125
philo.c
View File

@ -1,3 +1,15 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* philo.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:38:52 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:56:04 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include <pthread.h>
#include <stdbool.h>
#include <stddef.h>
@ -15,119 +27,6 @@ void philo_destroyer(t_philo *philo)
free(philo);
}
bool check(t_philo *philo, t_data *data)
{
bool stop;
if (get_min_meal(data) == data->nb_meals)
{
pthread_mutex_lock(&philo->stop_mutex);
philo->stop = 1;
pthread_mutex_unlock(&philo->stop_mutex);
return (1);
}
pthread_mutex_lock(&data->stop_mutex);
stop = data->stop;
pthread_mutex_unlock(&data->stop_mutex);
if (stop)
{
pthread_mutex_lock(&philo->stop_mutex);
philo->stop = 1;
pthread_mutex_unlock(&philo->stop_mutex);
}
return (stop);
}
bool philo_eat(t_philo *philo, t_data *data)
{
size_t time;
pthread_mutex_lock(&data->forks[philo->id]);
print_take_a_fork(philo);
if (check(philo, data))
{
pthread_mutex_unlock(&data->forks[philo->id]);
return (1);
}
while ((philo->id + 1) % data->nb_philos == philo->id)
if (check(philo, data))
{
pthread_mutex_unlock(&data->forks[philo->id]);
return (1);
}
pthread_mutex_lock(&data->forks[(philo->id + 1) % data->nb_philos]);
print_take_a_fork(philo);
if (check(philo, data))
{
pthread_mutex_unlock(&data->forks[(philo->id + 1) % data->nb_philos]);
pthread_mutex_unlock(&data->forks[philo->id]);
return (1);
}
print_eating(philo);
time = get_time();
if (time - philo->last_eat + data->eat_time > data->life_expectency)
usleep((time - philo->last_eat + data->eat_time) * 1000);
else
usleep(data->eat_time * 1000);
pthread_mutex_unlock(&data->forks[philo->id]);
pthread_mutex_unlock(&data->forks[(philo->id + 1) % data->nb_philos]);
if (check(philo, data))
return (1);
pthread_mutex_lock(&philo->last_eat_mutex);
philo->last_eat = get_time();
pthread_mutex_unlock(&philo->last_eat_mutex);
pthread_mutex_lock(&philo->nb_meal_mutex);
philo->nb_meal++;
pthread_mutex_unlock(&philo->nb_meal_mutex);
return (0);
}
void philo_sleep(t_data *data, t_philo *philo)
{
size_t time;
print_sleeping(philo);
time = get_time();
if (time - philo->last_eat + data->eat_time > data->life_expectency)
usleep((time - philo->last_eat + data->eat_time) * 1000);
else
usleep(data->eat_time * 1000);
}
void *philo_routine(void *arg)
{
t_philo *philo;
t_data *data;
philo = arg;
data = philo->data;
print_thinking(philo);
usleep((philo->id % 2) * (data->eat_time) * 1000);
while (true)
{
if (check(philo, data))
{
return (NULL);
}
if (philo_eat(philo, data))
{
return (NULL);
}
if (check(philo, data))
{
return (NULL);
}
philo_sleep(data, philo);
if (check(philo, data))
{
return (NULL);
}
print_thinking(philo);
}
return (NULL);
}
t_philo *philo_init(t_data *data)
{
t_philo *philo;

118
philo_routine.c Normal file
View File

@ -0,0 +1,118 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* philo_routine.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:44:14 by cchauvet #+# #+# */
/* Updated: 2023/04/27 12:04:03 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
#include "./time.h"
#include "./philo.h"
#include "./print.h"
#include "data.h"
bool check(t_philo *philo, t_data *data)
{
bool stop;
if (get_min_meal(data) == data->nb_meals)
{
pthread_mutex_lock(&philo->stop_mutex);
philo->stop = 1;
pthread_mutex_unlock(&philo->stop_mutex);
return (1);
}
pthread_mutex_lock(&data->stop_mutex);
stop = data->stop;
pthread_mutex_unlock(&data->stop_mutex);
if (stop)
{
pthread_mutex_lock(&philo->stop_mutex);
philo->stop = 1;
pthread_mutex_unlock(&philo->stop_mutex);
}
return (stop);
}
int philo_take_forks(t_philo *philo, t_data *data)
{
pthread_mutex_lock(&data->forks[philo->id]);
print_take_a_fork(philo);
if (check(philo, data))
{
pthread_mutex_unlock(&data->forks[philo->id]);
return (1);
}
while ((philo->id + 1) % data->nb_philos == philo->id)
{
if (check(philo, data))
{
pthread_mutex_unlock(&data->forks[philo->id]);
return (1);
}
}
pthread_mutex_lock(&data->forks[(philo->id + 1) % data->nb_philos]);
print_take_a_fork(philo);
if (check(philo, data))
{
pthread_mutex_unlock(&data->forks[(philo->id + 1) % data->nb_philos]);
pthread_mutex_unlock(&data->forks[philo->id]);
return (1);
}
return (0);
}
bool philo_eat(t_philo *philo, t_data *data)
{
if (philo_take_forks(philo, data))
return (1);
print_eating(philo);
usleep(get_time_perfect(philo, data) * 1000);
pthread_mutex_unlock(&data->forks[philo->id]);
pthread_mutex_unlock(&data->forks[(philo->id + 1) % data->nb_philos]);
if (check(philo, data))
return (1);
pthread_mutex_lock(&philo->last_eat_mutex);
philo->last_eat = get_time();
pthread_mutex_unlock(&philo->last_eat_mutex);
pthread_mutex_lock(&philo->nb_meal_mutex);
philo->nb_meal++;
pthread_mutex_unlock(&philo->nb_meal_mutex);
return (0);
}
void philo_sleep(t_data *data, t_philo *philo)
{
print_sleeping(philo);
usleep(data->eat_time * 1000);
}
void *philo_routine(void *arg)
{
t_philo *philo;
t_data *data;
philo = arg;
data = philo->data;
print_thinking(philo);
usleep((philo->id % 2) * (data->eat_time) * 1000);
while (true)
{
if (check(philo, data))
return (NULL);
if (philo_eat(philo, data))
return (NULL);
if (check(philo, data))
return (NULL);
philo_sleep(data, philo);
if (check(philo, data))
return (NULL);
print_thinking(philo);
}
return (NULL);
}

12
philos.c
View File

@ -1,3 +1,15 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* philos.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:30:32 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:30:33 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include "./philo.h"
#include <stdbool.h>
#include <stddef.h>

16
philos.h
View File

@ -1,5 +1,21 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* philos.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:33:17 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:33:17 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef PHILOS_H
# define PHILOS_H
# include <stdbool.h>
# include "./data.h"
bool philos_init(t_data *data);
void philos_destroyer(t_data *data);
#endif

29
print.c
View File

@ -1,3 +1,15 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* print.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:33:33 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:43:42 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo.h"
#include <bits/pthreadtypes.h>
#include <pthread.h>
@ -47,20 +59,3 @@ void print_thinking(t_philo *philo)
{
print(philo->data, philo->id, "is thinking");
}
void print_died(t_philo *philo)
{
t_data *data;
size_t time;
data = philo->data;
time = get_time();
pthread_mutex_lock(&data->print_mutex);
ft_putnum(time, 7);
ft_putchar(' ');
ft_putnum(philo->id + 1, 3);
ft_putchar(' ');
ft_putstr("died");
ft_putchar('\n');
pthread_mutex_unlock(&data->print_mutex);
}

16
print.h
View File

@ -1,3 +1,17 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* print.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:35:50 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:36:33 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef PRINT_H
# define PRINT_H
# include "./philo.h"
void print_eating(t_philo *philo);
@ -5,3 +19,5 @@ void print_take_a_fork(t_philo *philo);
void print_sleeping(t_philo *philo);
void print_thinking(t_philo *philo);
void print_died(t_philo *philo);
#endif

32
print2.c Normal file
View File

@ -0,0 +1,32 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* print2.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:41:14 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:41:46 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo.h"
#include "./time.h"
#include "./utils/utils.h"
void print_died(t_philo *philo)
{
t_data *data;
size_t time;
data = philo->data;
time = get_time();
pthread_mutex_lock(&data->print_mutex);
ft_putnum(time, 7);
ft_putchar(' ');
ft_putnum(philo->id + 1, 3);
ft_putchar(' ');
ft_putstr("died");
ft_putchar('\n');
pthread_mutex_unlock(&data->print_mutex);
}

15
threads.c
View File

@ -1,3 +1,15 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* threads.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:33:45 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:37:40 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include "philo.h"
#include <pthread.h>
#include <stdbool.h>
@ -11,7 +23,8 @@ bool threads_init(t_data *data)
i = 0;
while (i < data->nb_philos)
{
if (pthread_create(&data->threads[i], NULL, philo_routine, data->philos[i]))
if (pthread_create(&data->threads[i], NULL, philo_routine,
data->philos[i]))
return (true);
pthread_detach(data->threads[i]);
i++;

15
threads.h
View File

@ -1,5 +1,20 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* threads.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:37:07 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:37:08 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef THREADS_H
# define THREADS_H
# include "./data.h"
# include <stdbool.h>
bool threads_init(t_data *data);
#endif

25
time.c
View File

@ -1,7 +1,21 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* time.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:35:26 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:54:04 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include <bits/types/struct_timeval.h>
#include <sys/time.h>
#include <stddef.h>
#include <pthread.h>
#include "./philo.h"
#include "data.h"
size_t get_time(void)
{
@ -15,3 +29,14 @@ size_t get_time(void)
start_time = time;
return ((time - start_time) / 1000);
}
size_t get_time_perfect(t_philo *philo, t_data *data)
{
size_t time;
time = get_time();
if (time - philo->last_eat + data->eat_time > data->life_expectency)
return ((time - philo->last_eat + data->eat_time));
else
return (data->eat_time);
}

19
time.h
View File

@ -1,3 +1,22 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* time.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:32:57 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:54:55 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef TIME_H
# define TIME_H
# include "philo.h"
# include "data.h"
# include <stddef.h>
size_t get_time(void);
size_t get_time_perfect(t_philo *philo, t_data *data);
#endif

4
utils/ft_atoi.c
View File

@ -6,7 +6,7 @@
/* By: cchauvet <cchauvet@student.42angoulem +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/09/27 16:14:34 by cchauvet #+# #+# */
/* Updated: 2023/04/12 11:12:49 by cchauvet ### ########.fr */
/* Updated: 2023/04/27 11:27:44 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
@ -21,7 +21,7 @@ int ft_atoi(const char *str)
sign = 1;
i = 0;
while (str[i] == '-' || str[i]== '+')
while (str[i] == '-' || str[i] == '+')
{
if (str[i] == '-')
sign = -1;

12
utils/putchar.c
View File

@ -1,3 +1,15 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* putchar.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:28:09 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:28:10 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
void ft_putchar(char c)

12
utils/putnum.c
View File

@ -1,3 +1,15 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* putnum.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:28:00 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:28:01 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include <stddef.h>
#include <unistd.h>
#include <stdlib.h>

12
utils/putstr.c
View File

@ -1,3 +1,15 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* putstr.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/27 11:28:26 by cchauvet #+# #+# */
/* Updated: 2023/04/27 11:28:27 by cchauvet ### ########.fr */
/* */
/* ************************************************************************** */
#include "utils.h"
#include <stddef.h>