slstatus/components/entropy.c

29 lines
573 B
C
Raw Normal View History

/* See LICENSE file for copyright and license details. */
#include "../slstatus.h"
#if defined(__linux__)
#include <stdint.h>
#include <stdio.h>
#include "../util.h"
#define ENTROPY_AVAIL "/proc/sys/kernel/random/entropy_avail"
const char *
entropy(const char *unused)
{
2018-07-07 09:50:25 +01:00
uintmax_t num;
if (pscanf(ENTROPY_AVAIL, "%ju", &num) != 1)
2018-05-19 23:18:08 +01:00
return NULL;
return bprintf("%ju", num);
}
#elif defined(__OpenBSD__) | defined(__FreeBSD__)
const char *
entropy(const char *unused)
{
2018-05-06 22:09:36 +01:00
/* Unicode Character 'INFINITY' (U+221E) */
return "\xe2\x88\x9e";
}
#endif