1 files changed, 12 insertions, 0 deletions
diff --git a/entropy.c b/entropy.c
new file mode 100644
index 0000000..b0f879a
--- /dev/null
+++ b/entropy.c
@@ -0,0 +1,12 @@
+#include <stdio.h>
+
+#include "util.h"
+
+const char *
+entropy(void)
+{
+	int num;
+
+	return (pscanf("/proc/sys/kernel/random/entropy_avail", "%d", &num) == 1) ?
+	               bprintf("%d", num) : NULL;
+}