slstatus/components/entropy.c

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/* See LICENSE file for copyright and license details. */
#if defined(__linux__)
#include <inttypes.h>
#include <stdio.h>
#include "../util.h"
const char *
entropy(void)
{
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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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return bprintf("%" PRIuMAX, num);
}
#elif defined(__OpenBSD__)
const char *
entropy(void)
{
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/* Unicode Character 'INFINITY' (U+221E) */
return "\xe2\x88\x9e";
}
#endif