1 files changed, 27 insertions, 0 deletions
diff --git a/src/libstddjb/sysclock_from_utc.c b/src/libstddjb/sysclock_from_utc.c
new file mode 100644
index 0000000..25f9205
--- /dev/null
+++ b/src/libstddjb/sysclock_from_utc.c
@@ -0,0 +1,27 @@
+/* ISC license. */
+
+#include <skalibs/config.h>
+#include <skalibs/uint64.h>
+#include <skalibs/djbtime.h>
+
+#ifdef SKALIBS_FLAG_CLOCKISTAI
+
+#include <skalibs/tai.h>
+
+int sysclock_from_utc (uint64 *u)
+{
+  tai_t t ;
+  if (!tai_from_utc(&t, *u)) return 0 ;
+  *u = t.x - 10 ;
+  return 1 ;
+}
+
+#else
+
+int sysclock_from_utc (uint64 *u)
+{
+  (void)u ;
+  return 1 ;
+}
+
+#endif