1 files changed, 41 insertions, 0 deletions
diff --git a/libntp/caljulian.c b/libntp/caljulian.c
new file mode 100644
index 0000000..6463699
--- /dev/null
+++ b/libntp/caljulian.c
@@ -0,0 +1,41 @@
+/*
+ * caljulian - determine the Julian date from an NTP time.
+ *
+ * (Note: since we use the GREGORIAN calendar, this should be renamed to
+ * 'calgregorian' eventually...)
+ */
+#include <config.h>
+#include <sys/types.h>
+
+#include "ntp_types.h"
+#include "ntp_calendar.h"
+
+#if !(defined(ISC_CHECK_ALL) || defined(ISC_CHECK_NONE) || \
+      defined(ISC_CHECK_ENSURE) || defined(ISC_CHECK_INSIST) || \
+      defined(ISC_CHECK_INVARIANT))
+# define ISC_CHECK_ALL
+#endif
+
+#include "ntp_assert.h"
+
+void
+caljulian(
+	uint32_t		ntp,
+	struct calendar *	jt
+	)
+{
+	vint64		vlong;
+	ntpcal_split	split;
+	
+	
+	NTP_INSIST(NULL != jt);
+
+	/*
+	 * Unfold ntp time around current time into NTP domain. Split
+	 * into days and seconds, shift days into CE domain and
+	 * process the parts.
+	 */
+	vlong = ntpcal_ntp_to_ntp(ntp, NULL);
+	split = ntpcal_daysplit(&vlong);
+	ntpcal_daysplit_to_date(jt, &split, DAY_NTP_STARTS);
+}