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slstatus/components/entropy.c
2018-07-06 23:26:12 +02:00

28 lines
489 B
C

/* See LICENSE file for copyright and license details. */
#if defined(__linux__)
#include <inttypes.h>
#include <stdio.h>
#include "../util.h"
const char *
entropy(void)
{
uint64_t num;
if (pscanf("/proc/sys/kernel/random/entropy_avail",
"%" PRIu64, &num) != 1) {
return NULL;
}
return bprintf("%" PRIu64, num);
}
#elif defined(__OpenBSD__)
const char *
entropy(void)
{
/* Unicode Character 'INFINITY' (U+221E) */
return "\xe2\x88\x9e";
}
#endif