From e72c1e7e465822fc9b5067b2dd3cf047f6132214 Mon Sep 17 00:00:00 2001
From: Mark Andrews <marka@isc.org>
Date: Fri, 29 Aug 2008 03:57:38 +0000
Subject: [PATCH] 2430.   [bug]           win32: isc_interval_set() could round
 down to                         zero if the input was less than NS_INTERVAL  
                       nanoseconds.  Round up instead. [RT #18549]

---
 CHANGES              | 4 ++++
 lib/isc/win32/time.c | 7 +++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/CHANGES b/CHANGES
index 38fa2414ec..eafe6370a5 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+2430.	[bug]		win32: isc_interval_set() could round down to
+			zero if the input was less than NS_INTERVAL
+			nanoseconds.  Round up instead. [RT #18549]
+
 2429.	[doc]		nsupdate should be in section 1 of the man pages.
 			[RT #18283]
 
diff --git a/lib/isc/win32/time.c b/lib/isc/win32/time.c
index d2ef982b69..2522954f06 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 1.43 2007/06/19 23:47:19 tbox Exp $ */
+/* $Id: time.c,v 1.44 2008/08/29 03:57:38 marka Exp $ */
 
 #include <config.h>
 
@@ -64,8 +64,11 @@ isc_interval_set(isc_interval_t *i, unsigned int seconds,
 	REQUIRE(i != NULL);
 	REQUIRE(nanoseconds < NS_PER_S);
 
+	/*
+	 * This rounds nanoseconds up not down.
+	 */
 	i->interval = (LONGLONG)seconds * INTERVALS_PER_S
-		+ nanoseconds / NS_INTERVAL;
+		+ (nanoseconds + NS_INTERVAL - 1) / NS_INTERVAL;
 }
 
 isc_boolean_t