From 8343d55b3d97923fa444ea9b92aae2ec60ffd40f Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Mon, 8 Sep 2008 06:53:10 +0000
Subject: [PATCH] windows implementation of isc_time_set

---
 lib/isc/win32/include/isc/time.h | 13 ++++++++++++-
 lib/isc/win32/libisc.def         |  1 +
 lib/isc/win32/time.c             | 23 ++++++++++++++++++++++-
 3 files changed, 35 insertions(+), 2 deletions(-)

diff --git a/lib/isc/win32/include/isc/time.h b/lib/isc/win32/include/isc/time.h
index f346a15219..a8f9b4702e 100644
--- a/lib/isc/win32/include/isc/time.h
+++ b/lib/isc/win32/include/isc/time.h
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: time.h,v 1.31 2007/06/19 23:47:20 tbox Exp $ */
+/* $Id: time.h,v 1.32 2008/09/08 06:53:10 marka Exp $ */
 
 #ifndef ISC_TIME_H
 #define ISC_TIME_H 1
@@ -84,6 +84,17 @@ struct isc_time {
 
 LIBISC_EXTERNAL_DATA extern isc_time_t *isc_time_epoch;
 
+void
+isc_time_set(isc_time_t *t, unsigned int seconds, unsigned int nanoseconds);
+/*%<
+ * Set 't' to a value which represents the given number of seconds and 
+ * nanoseconds since 00:00:00 January 1, 1970, UTC.
+ * 
+ * Requires:
+ *\li   't' is a valid pointer.
+ *\li   nanoseconds < 1000000000.
+ */
+
 void
 isc_time_settoepoch(isc_time_t *t);
 /*
diff --git a/lib/isc/win32/libisc.def b/lib/isc/win32/libisc.def
index ddc8d2e48b..4e5516ebef 100644
--- a/lib/isc/win32/libisc.def
+++ b/lib/isc/win32/libisc.def
@@ -488,6 +488,7 @@ isc_time_nanoseconds
 isc_time_now
 isc_time_nowplusinterval
 isc_time_seconds
+isc_time_set
 isc_time_settoepoch
 isc_time_subtract
 isc_timer_attach
diff --git a/lib/isc/win32/time.c b/lib/isc/win32/time.c
index 1981a53e92..d77d1bc299 100644
--- a/lib/isc/win32/time.c
+++ b/lib/isc/win32/time.c
@@ -15,7 +15,7 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
-/* $Id: time.c,v 1.45 2008/08/29 23:47:22 tbox Exp $ */
+/* $Id: time.c,v 1.46 2008/09/08 06:53:10 marka Exp $ */
 
 #include <config.h>
 
@@ -80,6 +80,27 @@ isc_interval_iszero(const isc_interval_t *i) {
 	return (ISC_FALSE);
 }
 
+void
+isc_time_set(isc_time_t *t, unsigned int seconds, unsigned int nanoseconds) {
+	SYSTEMTIME epoch = { 1970, 1, 4, 1, 0, 0, 0, 0 };
+	FILETIME temp;
+	ULARGE_INTEGER i1;
+
+	REQUIRE(t != NULL);
+	REQUIRE(nanoseconds < NS_PER_S);
+	
+	SystemTimeToFileTime(&epoch, &temp);
+ 
+	i1.LowPart = t->absolute.dwLowDateTime;
+	i1.HighPart = t->absolute.dwHighDateTime;
+
+	i1.QuadPart += (unsigned __int64)nanoseconds/100;
+	i1.QuadPart += (unsigned __int64)seconds*10000000);
+
+	t->absolute.dwLowDateTime = i1.LowPart;
+	t->absolute.dwHighDateTime = i1.HighPart;
+}
+
 void
 isc_time_settoepoch(isc_time_t *t) {
 	REQUIRE(t != NULL);