X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Ftime%2Fdatetime.cpp;h=8feeff2f0d21a798f153607ea3f3d02e93b36fd2;hp=d609b2907cc6f1a10f81db862e7154c9d52332bd;hb=967785734be5c3fc6f75da122c2d93ebbb338271;hpb=c0319d7fb558683afdcf523660a40355b6bf0955

diff --git a/source/time/datetime.cpp b/source/time/datetime.cpp
index d609b29..8feeff2 100644
--- a/source/time/datetime.cpp
+++ b/source/time/datetime.cpp
@@ -1,10 +1,3 @@
-/* $Id$
-
-This file is part of libmspcore     
-Copyright © 2006  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #include <cstdlib>
 #include <stdexcept>
 #include <msp/strings/format.h>
@@ -150,7 +143,7 @@ void DateTime::add_days(int days)
 
 	new_year += cycles;
 
-	if((year-fudge)%4+cycles>=4)
+	if((year-fudge)%4+cycles>=4 && (new_year%100>=4 || new_year%400<4))
 	{
 		// We passed a leap year - decrement days
 		if(days==0)
@@ -186,7 +179,7 @@ void DateTime::set_timezone(const TimeZone &tz)
 
 void DateTime::convert_timezone(const TimeZone &tz)
 {
-	add_raw((zone.get_offset()-tz.get_offset()).raw());
+	add_raw((tz.get_offset()-zone.get_offset()).raw());
 	zone = tz;
 }
 
@@ -296,7 +289,7 @@ string DateTime::format_rfc3339() const
 	if(const TimeDelta &offs = zone.get_offset())
 	{
 		int m = abs(static_cast<int>(offs/Time::min));
-		result += Msp::format("%c%02d:%02d", (offs<zero ? '+' : '-'), m/60, m%60);
+		result += Msp::format("%c%02d:%02d", (offs<zero ? '-' : '+'), m/60, m%60);
 	}
 	else
 		result += 'Z';