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-rwxr-xr-xlaptop/slstatuso/components/entropy.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/laptop/slstatuso/components/entropy.c b/laptop/slstatuso/components/entropy.c
new file mode 100755
index 0000000..66b2e5a
--- /dev/null
+++ b/laptop/slstatuso/components/entropy.c
@@ -0,0 +1,28 @@
+/* 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)
+ {
+ 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)
+ {
+ /* Unicode Character 'INFINITY' (U+221E) */
+ return "\xe2\x88\x9e";
+ }
+#endif