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client.c
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client.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* client.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: jalwahei <jalwahei@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/11/25 15:13:53 by jalwahei #+# #+# */
/* Updated: 2022/12/12 15:14:57 by jalwahei ### ########.fr */
/* */
/* ************************************************************************** */
#include <signal.h>
#include <unistd.h>
int ft_atoi(const char *str);
void send_signal(int n, int pid)
{
int byte_array[8];
int i;
i = 0;
while (i <= 7)
byte_array[i++] = 0;
i = 0;
while (n > 0)
{
byte_array[i++] = n % 2;
n /= 2;
}
i = 7;
while (i >= 0)
{
if (byte_array[i--])
kill(pid, SIGUSR1);
else
kill(pid, SIGUSR2);
usleep(500);
}
}
int main(int ac, char **av)
{
int pid;
char *message;
int i;
i = 0;
if (ac == 3)
{
while (av[1][i])
{
if (!(av[1][i] >= '0' && av[1][i] <= '9'))
return (1);
i++;
}
pid = ft_atoi(av[1]);
message = av[2];
while (*message)
send_signal((int)*message++, pid);
}
return (0);
}