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authorThomas Ulmer <thomasmulmer02@gmail.com>2026-02-04 14:33:05 -0800
committerThomas Ulmer <thomasmulmer02@gmail.com>2026-02-04 14:33:05 -0800
commit72aa4910006b9d2343b748ea15f587ceb8857af5 (patch)
tree47687d99b378b1ba7fa41bd58e47b66dae2712ee /src/slstatus/slstatus-1.1/components/entropy.c
parent90ebb61d9352ce5fbc04588231a8408097e0dfac (diff)
suckless includes
Diffstat (limited to 'src/slstatus/slstatus-1.1/components/entropy.c')
-rw-r--r--src/slstatus/slstatus-1.1/components/entropy.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/slstatus/slstatus-1.1/components/entropy.c b/src/slstatus/slstatus-1.1/components/entropy.c
new file mode 100644
index 0000000..65010b0
--- /dev/null
+++ b/src/slstatus/slstatus-1.1/components/entropy.c
@@ -0,0 +1,29 @@
+/* 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)
+ {
+ // https://www.unicode.org/charts/PDF/U2200.pdf
+ /* Unicode Character 'INFINITY' (U+221E) */
+ return "\u221E";
+ }
+#endif