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