Updated philo directories for correctionrendu

21 files changed, 502 insertions, 136 deletions

diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index 56a2394..0000000
--- a/.gitignore
+++ /dev/null
@@ -1,9 +0,0 @@
-*.o
-*.ghc
-*.a
-*.dSYM
-a.out
-philo_one/philo_one
-philo_two/philo_two
-philo_three/philo_three
-tags
diff --git a/Makefile b/Makefile
deleted file mode 100644
index 34f114d..0000000
--- a/Makefile
+++ /dev/null
@@ -1,33 +0,0 @@
-# **************************************************************************** #
-#                                                                              #
-#                                                         :::      ::::::::    #
-#    Makefile                                           :+:      :+:    :+:    #
-#                                                     +:+ +:+         +:+      #
-#    By: cacharle <marvin@42.fr>                    +#+  +:+       +#+         #
-#                                                 +#+#+#+#+#+   +#+            #
-#    Created: 2020/02/09 03:31:28 by cacharle          #+#    #+#              #
-#    Updated: 2020/12/30 13:48:29 by charles          ###   ########.fr        #
-#                                                                              #
-# **************************************************************************** #
-
-MAKE = make --no-print-directory
-
-PHILO_ONE_DIR   = philo_one
-PHILO_TWO_DIR   = philo_two
-PHILO_THREE_DIR = philo_three
-
-help:
-	@echo "make philo_one   - compile philo_one"
-	@echo "make philo_two   - compile philo_two"
-	@echo "make philo_three - compile philo_three"
-
-philo_one:
-	$(MAKE) -C $(PHILO_ONE_DIR)
-
-philo_two:
-	$(MAKE) -C $(PHILO_TWO_DIR)
-
-philo_three:
-	$(MAKE) -C $(PHILO_THREE_DIR)
-
-.PHONY: philo_one philo_two philo_three help
diff --git a/README.md b/README.md
deleted file mode 100644
index 7b9d21d..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# philosophers
-
-philosophers project of school 42
diff --git a/common/Makefile b/common/Makefile
deleted file mode 100644
index d23cac9..0000000
--- a/common/Makefile
+++ /dev/null
@@ -1,38 +0,0 @@
-# **************************************************************************** #
-#                                                                              #
-#                                                         :::      ::::::::    #
-#    Makefile                                           :+:      :+:    :+:    #
-#                                                     +:+ +:+         +:+      #
-#    By: cacharle <marvin@42.fr>                    +#+  +:+       +#+         #
-#                                                 +#+#+#+#+#+   +#+            #
-#    Created: 2020/02/09 22:39:08 by cacharle          #+#    #+#              #
-#    Updated: 2021/01/02 10:47:14 by cacharle         ###   ########.fr        #
-#                                                                              #
-# **************************************************************************** #
-
-LIB = ar rcs
-RM = rm -rf
-
-CC = gcc
-CCFLAGS = -std=c99 -O2 -Wall -Wextra -Werror
-
-NAME = libphilocommon.a
-
-SRC = $(shell find . -type f -name "*.c")
-OBJ = $(SRC:.c=.o)
-
-all: $(NAME)
-
-$(NAME): $(OBJ)
-	$(LIB) $(NAME) $(OBJ)
-
-%.o: %.c
-	$(CC) $(CCFLAGS) -c -o $@ $<
-
-clean:
-	$(RM) $(OBJ)
-	$(RM) $(NAME)
-
-re: clean all
-
-.PHONY: all clean re
diff --git a/correction.png b/correction.png
deleted file mode 100644
index 3b1558e..0000000
--- a/correction.png
+++ /dev/null
diff --git a/philo_one/Makefile b/philo_one/Makefile
index 0026516..44638f5 100644
--- a/philo_one/Makefile
+++ b/philo_one/Makefile
@@ -6,39 +6,38 @@
 #    By: cacharle <marvin@42.fr>                    +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2019/11/24 05:50:15 by cacharle          #+#    #+#              #
-#    Updated: 2021/01/01 15:18:11 by charles          ###   ########.fr        #
+#    Updated: 2021/01/03 14:38:19 by cacharle         ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
 RM = rm -f
 MAKE = make --no-print-directory
 
-COMMONDIR = ../common
-
 CC = gcc
-CCFLAGS = -I$(COMMONDIR) -O2 -std=c99 -Wall -Wextra -Werror
-LDFLAGS = -lpthread -L$(COMMONDIR) -lphilocommon
+CCFLAGS = -I. -O2 -std=c99 -Wall -Wextra -Werror
+LDFLAGS = -lpthread
 
 NAME = philo_one
 
 SRCDIR = src
 OBJDIR = obj
 
-SRC = $(shell find $(SRCDIR) -type f -name '*.c')
-OBJ = $(SRC:$(SRCDIR)/%.c=$(OBJDIR)/%.o)
+SRC = args.c helper.c io.c \
+	  src/event.c src/forks.c src/main.c src/philo.c src/routine.c
+OBJ = $(SRC:%.c=%.o)
 
 all: prebuild $(NAME)
 
 prebuild:
 	@mkdir -pv $(OBJDIR)
 
-$(NAME): common_all $(OBJ)
+$(NAME): $(OBJ)
 	$(CC) -o $@ $(OBJ) $(LDFLAGS)
 
-$(OBJDIR)/%.o: $(SRCDIR)/%.c
+%.o: %.c
 	$(CC) $(CCFLAGS) -c -o $@ $<
 
-clean: common_clean
+clean:
 	$(RM) $(OBJ)
 
 fclean: clean
@@ -46,10 +45,4 @@ fclean: clean
 
 re: fclean all
 
-common_all:
-	$(MAKE) -C $(COMMONDIR) all
-
-common_clean:
-	$(MAKE) -C $(COMMONDIR) clean
-
-.PHONY: all prebuild clean fclean re common_all common_clean
+.PHONY: all prebuild clean fclean re
diff --git a/common/args.c b/philo_one/args.c
index 2070e46..2070e46 100644
--- a/common/args.c
+++ b/philo_one/args.c
diff --git a/common/common.h b/philo_one/common.h
index 617db1a..617db1a 100644
--- a/common/common.h
+++ b/philo_one/common.h
diff --git a/common/helper.c b/philo_one/helper.c
index e1cc1e2..e1cc1e2 100644
--- a/common/helper.c
+++ b/philo_one/helper.c
diff --git a/common/io.c b/philo_one/io.c
index 5d50ccc..5d50ccc 100644
--- a/common/io.c
+++ b/philo_one/io.c
diff --git a/philo_three/Makefile b/philo_three/Makefile
index 17c5b46..050e2d5 100644
--- a/philo_three/Makefile
+++ b/philo_three/Makefile
@@ -6,39 +6,39 @@
 #    By: cacharle <marvin@42.fr>                    +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2019/11/24 05:50:15 by cacharle          #+#    #+#              #
-#    Updated: 2021/01/01 16:28:33 by charles          ###   ########.fr        #
+#    Updated: 2021/01/03 14:40:14 by cacharle         ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
 RM = rm -f
 MAKE = make --no-print-directory
 
-COMMON_DIR = ../common
-
 CC = gcc
-CCFLAGS = -I$(COMMON_DIR) -O2 -std=c99 -Wall -Wextra #-Werror
-LDFLAGS = -lpthread -L$(COMMON_DIR) -lphilocommon
+CCFLAGS = -I. -O2 -std=c99 -Wall -Wextra -Werror
+LDFLAGS = -lpthread
 
 NAME = philo_three
 
 SRCDIR = src
 OBJDIR = obj
 
-SRC = $(shell find $(SRCDIR) -type f -name '*.c')
-OBJ = $(SRC:$(SRCDIR)/%.c=$(OBJDIR)/%.o)
+SRC = args.c helper.c io.c \
+	  src/child.c src/event.c src/main.c
+
+OBJ = $(SRC:%.c=%.o)
 
 all: prebuild $(NAME)
 
 prebuild:
-	@mkdir -p $(OBJDIR)
+	@mkdir -pv $(OBJDIR)
 
-$(NAME): common_all $(OBJ)
+$(NAME): $(OBJ)
 	$(CC) -o $@ $(OBJ) $(LDFLAGS)
 
-$(OBJDIR)/%.o: $(SRCDIR)/%.c
+%.o: %.c
 	$(CC) $(CCFLAGS) -c -o $@ $<
 
-clean: common_clean
+clean:
 	$(RM) $(OBJ)
 
 fclean: clean
@@ -46,10 +46,4 @@ fclean: clean
 
 re: fclean all
 
-common_all:
-	$(MAKE) -C $(COMMON_DIR) all
-
-common_clean:
-	$(MAKE) -C $(COMMON_DIR) clean
-
-.PHONY: all prebuild clean fclean re common_all common_clean
+.PHONY: all prebuild clean fclean re
diff --git a/philo_three/args.c b/philo_three/args.c
new file mode 100644
index 0000000..2070e46
--- /dev/null
+++ b/philo_three/args.c
@@ -0,0 +1,35 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   args.c                                             :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/08 23:12:55 by cacharle          #+#    #+#             */
+/*   Updated: 2020/12/30 13:44:54 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "common.h"
+
+bool	parse_args(t_philo_args *args, int argc, char **argv)
+{
+	if (argc != 5 && argc != 6)
+	{
+		return (h_err(false, "Usage: %s philosophers_num death_timeout"
+			"eat_timeout sleep_timeout [meal_num]", argv[0]));
+	}
+	if ((args->philo_num = h_atou_strict(argv[1])) == -1
+		|| (args->timeout_death = h_atou_strict(argv[2])) == -1
+		|| (args->timeout_eat = h_atou_strict(argv[3])) == -1
+		|| (args->timeout_sleep = h_atou_strict(argv[4])) == -1)
+		return (false);
+	if (argc == 6)
+	{
+		if ((args->meal_num = h_atou_strict(argv[5])) == -1)
+			return (false);
+	}
+	else
+		args->meal_num = -1;
+	return (true);
+}
diff --git a/philo_three/common.h b/philo_three/common.h
new file mode 100644
index 0000000..617db1a
--- /dev/null
+++ b/philo_three/common.h
@@ -0,0 +1,67 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   common.h                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/08 22:58:35 by cacharle          #+#    #+#             */
+/*   Updated: 2021/01/03 14:02:38 by cacharle         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef COMMON_H
+# define COMMON_H
+
+# include <unistd.h>
+# include <stdlib.h>
+# include <stdbool.h>
+# include <pthread.h>
+# include <sys/time.h>
+# include <limits.h>
+
+typedef long int	t_time;
+
+typedef enum		e_philo_event
+{
+	EVENT_FORK,
+	EVENT_EAT,
+	EVENT_SLEEP,
+	EVENT_THINK,
+	EVENT_DIE
+}					t_philo_event;
+
+typedef struct
+{
+	long int		philo_num;
+	t_time			timeout_death;
+	t_time			timeout_eat;
+	t_time			timeout_sleep;
+	long int		meal_num;
+}					t_philo_args;
+
+typedef void		*(*t_routine)(void *arg);
+
+/*
+** args.c
+*/
+
+bool				parse_args(t_philo_args *args, int argc, char **argv);
+
+/*
+** helper.c
+*/
+
+long int			h_atou_strict(char *s);
+t_time				h_time_now(void);
+int					h_err(int ret, const char *format, char *str);
+
+/*
+** io.c
+*/
+
+void				philo_put_set_initial_time(void);
+void				philo_put(
+						size_t id, t_philo_event event, t_time initial_time);
+
+#endif
diff --git a/philo_three/helper.c b/philo_three/helper.c
new file mode 100644
index 0000000..e1cc1e2
--- /dev/null
+++ b/philo_three/helper.c
@@ -0,0 +1,50 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   helper.c                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/08 23:22:49 by cacharle          #+#    #+#             */
+/*   Updated: 2021/01/02 12:07:49 by cacharle         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "common.h"
+
+long int	h_atou_strict(char *s)
+{
+	long int	num;
+	char		*origin;
+
+	origin = s;
+	if (*s < '0' || *s > '9')
+		return (h_err(-1, "Error: %s: is not a number", origin));
+	num = 0;
+	while (*s >= '0' && *s <= '9')
+	{
+		num *= 10;
+		if (num > UINT_MAX)
+			return (h_err(-1, "Error: %s: is too big", origin));
+		num += *s - '0';
+		if (num > UINT_MAX)
+			return (h_err(-1, "Error: %s: is too big", origin));
+		s++;
+	}
+	if (*s != '\0')
+		return (h_err(-1, "Error: %s: is not a number", origin));
+	return (num);
+}
+
+/*
+** No need to check error of gettimeofday
+** (only for settimeofday and passed pointer validity)
+*/
+
+t_time		h_time_now(void)
+{
+	struct timeval	tv;
+
+	gettimeofday(&tv, NULL);
+	return (tv.tv_sec * 1000 + tv.tv_usec / 1000);
+}
diff --git a/philo_three/io.c b/philo_three/io.c
new file mode 100644
index 0000000..5d50ccc
--- /dev/null
+++ b/philo_three/io.c
@@ -0,0 +1,82 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   io.c                                               :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <me@cacharle.xyz>                 +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/09/30 10:03:53 by cacharle          #+#    #+#             */
+/*   Updated: 2021/01/03 14:02:21 by cacharle         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "common.h"
+
+static size_t	st_strlen(char *s)
+{
+	int	counter;
+
+	counter = 0;
+	while (s[counter])
+		counter++;
+	return (counter);
+}
+
+static char		*st_nbrcpy(char *dst, long long int num)
+{
+	if (num > 9)
+		dst = st_nbrcpy(dst, num / 10);
+	dst[0] = num % 10 + '0';
+	dst[1] = '\0';
+	return (dst + 1);
+}
+
+static void		st_strcat(char *dst, char *str)
+{
+	while (*dst != '\0')
+		dst++;
+	while (*str != '\0')
+		*dst++ = *str++;
+	*dst = '\0';
+}
+
+void			philo_put(size_t id, t_philo_event event, t_time initial_time)
+{
+	static char		buf[2048];
+
+	buf[0] = '\0';
+	st_nbrcpy(buf, h_time_now() - initial_time);
+	st_strcat(buf, " ");
+	st_nbrcpy(buf + st_strlen(buf), id);
+	if (event == EVENT_FORK)
+		st_strcat(buf, " has taken fork\n");
+	else if (event == EVENT_EAT)
+		st_strcat(buf, " is eating\n");
+	else if (event == EVENT_SLEEP)
+		st_strcat(buf, " is sleeping\n");
+	else if (event == EVENT_THINK)
+		st_strcat(buf, " is thinking\n");
+	else if (event == EVENT_DIE)
+		st_strcat(buf, " died\n");
+	write(STDOUT_FILENO, buf, st_strlen(buf));
+}
+
+int				h_err(int ret, const char *format, char *str)
+{
+	while (*format != '\0')
+	{
+		if (format[0] == '%' && format[1] == 's')
+		{
+			if (str != NULL)
+				write(STDERR_FILENO, str, st_strlen(str));
+			format += 2;
+		}
+		else
+		{
+			write(STDERR_FILENO, format, 1);
+			format++;
+		}
+	}
+	write(STDERR_FILENO, "\n", 1);
+	return (ret);
+}
diff --git a/philo_two/Makefile b/philo_two/Makefile
index 88c0f8b..224809b 100644
--- a/philo_two/Makefile
+++ b/philo_two/Makefile
@@ -6,39 +6,39 @@
 #    By: cacharle <marvin@42.fr>                    +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2019/11/24 05:50:15 by cacharle          #+#    #+#              #
-#    Updated: 2021/01/02 11:27:33 by cacharle         ###   ########.fr        #
+#    Updated: 2021/01/03 14:39:09 by cacharle         ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
 RM = rm -f
 MAKE = make --no-print-directory
 
-COMMONDIR = ../common
-
 CC = gcc
-CCFLAGS = -g -I$(COMMONDIR) -O2 -std=c99 -Wall -Wextra #-Werror
-LDFLAGS = -lpthread -L$(COMMONDIR) -lphilocommon
+CCFLAGS = -I. -O2 -std=c99 -Wall -Wextra -Werror
+LDFLAGS = -lpthread
 
 NAME = philo_two
 
 SRCDIR = src
 OBJDIR = obj
 
-SRC = $(shell find $(SRCDIR) -type f -name '*.c')
-OBJ = $(SRC:$(SRCDIR)/%.c=$(OBJDIR)/%.o)
+SRC = args.c helper.c io.c \
+	  src/event.c src/main.c src/routine.c
+
+OBJ = $(SRC:%.c=%.o)
 
 all: prebuild $(NAME)
 
 prebuild:
-	@mkdir -p $(OBJDIR)
+	@mkdir -pv $(OBJDIR)
 
-$(NAME): common_all $(OBJ)
+$(NAME): $(OBJ)
 	$(CC) -o $@ $(OBJ) $(LDFLAGS)
 
-$(OBJDIR)/%.o: $(SRCDIR)/%.c
+%.o: %.c
 	$(CC) $(CCFLAGS) -c -o $@ $<
 
-clean: common_clean
+clean:
 	$(RM) $(OBJ)
 
 fclean: clean
@@ -46,10 +46,4 @@ fclean: clean
 
 re: fclean all
 
-common_all:
-	$(MAKE) -C $(COMMONDIR) all
-
-common_clean:
-	$(MAKE) -C $(COMMONDIR) clean
-
-.PHONY: all prebuild clean fclean re common_all common_clean
+.PHONY: all prebuild clean fclean re
diff --git a/philo_two/args.c b/philo_two/args.c
new file mode 100644
index 0000000..2070e46
--- /dev/null
+++ b/philo_two/args.c
@@ -0,0 +1,35 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   args.c                                             :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/08 23:12:55 by cacharle          #+#    #+#             */
+/*   Updated: 2020/12/30 13:44:54 by charles          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "common.h"
+
+bool	parse_args(t_philo_args *args, int argc, char **argv)
+{
+	if (argc != 5 && argc != 6)
+	{
+		return (h_err(false, "Usage: %s philosophers_num death_timeout"
+			"eat_timeout sleep_timeout [meal_num]", argv[0]));
+	}
+	if ((args->philo_num = h_atou_strict(argv[1])) == -1
+		|| (args->timeout_death = h_atou_strict(argv[2])) == -1
+		|| (args->timeout_eat = h_atou_strict(argv[3])) == -1
+		|| (args->timeout_sleep = h_atou_strict(argv[4])) == -1)
+		return (false);
+	if (argc == 6)
+	{
+		if ((args->meal_num = h_atou_strict(argv[5])) == -1)
+			return (false);
+	}
+	else
+		args->meal_num = -1;
+	return (true);
+}
diff --git a/philo_two/common.h b/philo_two/common.h
new file mode 100644
index 0000000..617db1a
--- /dev/null
+++ b/philo_two/common.h
@@ -0,0 +1,67 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   common.h                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/08 22:58:35 by cacharle          #+#    #+#             */
+/*   Updated: 2021/01/03 14:02:38 by cacharle         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#ifndef COMMON_H
+# define COMMON_H
+
+# include <unistd.h>
+# include <stdlib.h>
+# include <stdbool.h>
+# include <pthread.h>
+# include <sys/time.h>
+# include <limits.h>
+
+typedef long int	t_time;
+
+typedef enum		e_philo_event
+{
+	EVENT_FORK,
+	EVENT_EAT,
+	EVENT_SLEEP,
+	EVENT_THINK,
+	EVENT_DIE
+}					t_philo_event;
+
+typedef struct
+{
+	long int		philo_num;
+	t_time			timeout_death;
+	t_time			timeout_eat;
+	t_time			timeout_sleep;
+	long int		meal_num;
+}					t_philo_args;
+
+typedef void		*(*t_routine)(void *arg);
+
+/*
+** args.c
+*/
+
+bool				parse_args(t_philo_args *args, int argc, char **argv);
+
+/*
+** helper.c
+*/
+
+long int			h_atou_strict(char *s);
+t_time				h_time_now(void);
+int					h_err(int ret, const char *format, char *str);
+
+/*
+** io.c
+*/
+
+void				philo_put_set_initial_time(void);
+void				philo_put(
+						size_t id, t_philo_event event, t_time initial_time);
+
+#endif
diff --git a/philo_two/helper.c b/philo_two/helper.c
new file mode 100644
index 0000000..e1cc1e2
--- /dev/null
+++ b/philo_two/helper.c
@@ -0,0 +1,50 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   helper.c                                           :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/08 23:22:49 by cacharle          #+#    #+#             */
+/*   Updated: 2021/01/02 12:07:49 by cacharle         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "common.h"
+
+long int	h_atou_strict(char *s)
+{
+	long int	num;
+	char		*origin;
+
+	origin = s;
+	if (*s < '0' || *s > '9')
+		return (h_err(-1, "Error: %s: is not a number", origin));
+	num = 0;
+	while (*s >= '0' && *s <= '9')
+	{
+		num *= 10;
+		if (num > UINT_MAX)
+			return (h_err(-1, "Error: %s: is too big", origin));
+		num += *s - '0';
+		if (num > UINT_MAX)
+			return (h_err(-1, "Error: %s: is too big", origin));
+		s++;
+	}
+	if (*s != '\0')
+		return (h_err(-1, "Error: %s: is not a number", origin));
+	return (num);
+}
+
+/*
+** No need to check error of gettimeofday
+** (only for settimeofday and passed pointer validity)
+*/
+
+t_time		h_time_now(void)
+{
+	struct timeval	tv;
+
+	gettimeofday(&tv, NULL);
+	return (tv.tv_sec * 1000 + tv.tv_usec / 1000);
+}
diff --git a/philo_two/io.c b/philo_two/io.c
new file mode 100644
index 0000000..5d50ccc
--- /dev/null
+++ b/philo_two/io.c
@@ -0,0 +1,82 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   io.c                                               :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <me@cacharle.xyz>                 +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/09/30 10:03:53 by cacharle          #+#    #+#             */
+/*   Updated: 2021/01/03 14:02:21 by cacharle         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "common.h"
+
+static size_t	st_strlen(char *s)
+{
+	int	counter;
+
+	counter = 0;
+	while (s[counter])
+		counter++;
+	return (counter);
+}
+
+static char		*st_nbrcpy(char *dst, long long int num)
+{
+	if (num > 9)
+		dst = st_nbrcpy(dst, num / 10);
+	dst[0] = num % 10 + '0';
+	dst[1] = '\0';
+	return (dst + 1);
+}
+
+static void		st_strcat(char *dst, char *str)
+{
+	while (*dst != '\0')
+		dst++;
+	while (*str != '\0')
+		*dst++ = *str++;
+	*dst = '\0';
+}
+
+void			philo_put(size_t id, t_philo_event event, t_time initial_time)
+{
+	static char		buf[2048];
+
+	buf[0] = '\0';
+	st_nbrcpy(buf, h_time_now() - initial_time);
+	st_strcat(buf, " ");
+	st_nbrcpy(buf + st_strlen(buf), id);
+	if (event == EVENT_FORK)
+		st_strcat(buf, " has taken fork\n");
+	else if (event == EVENT_EAT)
+		st_strcat(buf, " is eating\n");
+	else if (event == EVENT_SLEEP)
+		st_strcat(buf, " is sleeping\n");
+	else if (event == EVENT_THINK)
+		st_strcat(buf, " is thinking\n");
+	else if (event == EVENT_DIE)
+		st_strcat(buf, " died\n");
+	write(STDOUT_FILENO, buf, st_strlen(buf));
+}
+
+int				h_err(int ret, const char *format, char *str)
+{
+	while (*format != '\0')
+	{
+		if (format[0] == '%' && format[1] == 's')
+		{
+			if (str != NULL)
+				write(STDERR_FILENO, str, st_strlen(str));
+			format += 2;
+		}
+		else
+		{
+			write(STDERR_FILENO, format, 1);
+			format++;
+		}
+	}
+	write(STDERR_FILENO, "\n", 1);
+	return (ret);
+}
diff --git a/subject.pdf b/subject.pdf
deleted file mode 100644
index d80790b..0000000
--- a/subject.pdf
+++ /dev/null