From f9a968b6818c858d15f459ab9e8315b6df56952a Mon Sep 17 00:00:00 2001 From: pml68 Date: Wed, 27 Dec 2023 00:46:22 +0100 Subject: Initial commit --- slstatus/components/entropy.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 slstatus/components/entropy.c (limited to 'slstatus/components/entropy.c') diff --git a/slstatus/components/entropy.c b/slstatus/components/entropy.c new file mode 100644 index 0000000..65010b0 --- /dev/null +++ b/slstatus/components/entropy.c @@ -0,0 +1,29 @@ +/* See LICENSE file for copyright and license details. */ +#include "../slstatus.h" +#if defined(__linux__) + #include + #include + + #include "../util.h" + + #define ENTROPY_AVAIL "/proc/sys/kernel/random/entropy_avail" + + const char * + entropy(const char *unused) + { + uintmax_t num; + + if (pscanf(ENTROPY_AVAIL, "%ju", &num) != 1) + return NULL; + + return bprintf("%ju", num); + } +#elif defined(__OpenBSD__) | defined(__FreeBSD__) + const char * + entropy(const char *unused) + { + // https://www.unicode.org/charts/PDF/U2200.pdf + /* Unicode Character 'INFINITY' (U+221E) */ + return "\u221E"; + } +#endif -- cgit v1.2.3