From 6937f2f12bf6fd015f2f9ace8ea1086a5f4d0071 Mon Sep 17 00:00:00 2001
From: Laurence Withers <lwithers@amethyst.(none)>
Date: Thu, 12 Feb 2009 02:31:04 +0000
Subject: [PATCH] Bugfix in rounding of iso8601_add_elapsed()

When adding a number of nanoseconds so that the resultant date lies exactly on
a second boundary, rounding was not performed when it should have been. Fix
the rounding so that the seconds field rolls over.
---
 src/libiso8601/400_manip.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libiso8601/400_manip.c b/src/libiso8601/400_manip.c
index f66c131..f766b18 100644
--- a/src/libiso8601/400_manip.c
+++ b/src/libiso8601/400_manip.c
@@ -50,7 +50,7 @@ void iso8601_add_elapsed(struct iso8601_date* date, const struct iso8601_elapsed
     date->sec += qr.rem - leapcorrect;
 
     date->nsec += per->nsec;
-    if(date->nsec > BILLION) {
+    if(date->nsec >= BILLION) {
         ++date->sec;
         date->nsec -= BILLION;
     }