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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* io.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <me@cacharle.xyz> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/09/30 10:03:53 by cacharle #+# #+# */
/* Updated: 2021/01/10 11:06:51 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "common.h"
static char *st_nbrcpy(char *dst, long long int num)
{
if (num > 9)
dst = st_nbrcpy(dst, num / 10);
dst[0] = num % 10 + '0';
return (dst + 1);
}
static char *st_strcpy_end(char *dst, const char *str)
{
while (*str != '\0')
*dst++ = *str++;
return (dst);
}
#define PHILO_PUT_BUF_SIZE 20000
static char g_buf[PHILO_PUT_BUF_SIZE + 256] = {'\0'};
static char *g_curr = g_buf;
void philo_put(size_t id, t_philo_event event, t_time initial_time)
{
g_curr = st_nbrcpy(g_curr, h_time_now() - initial_time);
g_curr = st_strcpy_end(g_curr, " ");
g_curr = st_nbrcpy(g_curr, id);
if (event == EVENT_FORK)
g_curr = st_strcpy_end(g_curr, " has taken fork\n");
else if (event == EVENT_EAT)
g_curr = st_strcpy_end(g_curr, " is eating\n");
else if (event == EVENT_SLEEP)
g_curr = st_strcpy_end(g_curr, " is sleeping\n");
else if (event == EVENT_THINK)
g_curr = st_strcpy_end(g_curr, " is thinking\n");
else if (event == EVENT_DIE)
g_curr = st_strcpy_end(g_curr, " died\n");
if (g_curr - g_buf > PHILO_PUT_BUF_SIZE)
philo_put_flush();
}
void philo_put_flush(void)
{
write(STDOUT_FILENO, g_buf, g_curr - g_buf);
g_curr = g_buf;
g_buf[0] = '\0';
}
#define PHILO_SEM_EAT_BUF_SIZE 2048
const char *philo_sem_eat_name(const char *prefix, long int id)
{
static char buf[PHILO_SEM_EAT_BUF_SIZE];
char *end;
buf[0] = '\0';
end = st_strcpy_end(buf, prefix);
st_nbrcpy(end, id);
return (buf);
}
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