blob: 992f23c74b80ac0b3d5812ad2273bae6d85b9a7f [file] [log] [blame]
#include <sys/fcntl.h>
#include <sys/ioctl.h>
#include <sys/poll.h>
#include <linux/types.h>
#include <linux/random.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
int main(int argc, char **argv)
{
int random_fd;
int ent_count;
random_fd = open("/dev/random", O_RDONLY);
if (random_fd < 0)
return 1;
if (ioctl(random_fd, RNDGETENTCNT, &ent_count) != 0)
return 1;
printf("%d\n", ent_count);
return 0;
}