/* See LICENSE file for copyright and license details. */
#if defined(__linux__)
#include <stdio.h>

#include "../util.h"

const char *
entropy(void)
{
	int num;

	return (pscanf("/proc/sys/kernel/random/entropy_avail", "%d", &num) == 1) ?
	               bprintf("%d", num) : NULL;
}
#endif