X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Ftime%2Ftimezone.cpp;h=56fcf8f588a389325a1fda85cec2577b82b1c54d;hp=9c146249208da8206ae6c1c937526afcde56fe21;hb=967785734be5c3fc6f75da122c2d93ebbb338271;hpb=b56eb5ec1da675da0c66abc53c1e4f6c4e4cccbd

diff --git a/source/time/timezone.cpp b/source/time/timezone.cpp
index 9c14624..56fcf8f 100644
--- a/source/time/timezone.cpp
+++ b/source/time/timezone.cpp
@@ -1,19 +1,11 @@
-/* $Id$
-
-This file is part of libmspcore
-Copyright © 2008-2009  Mikko Rasa, Mikkosoft Productions
-Distributed under the LGPL
-*/
-
 #include <cstdlib>
-#include <sstream>
-#include <iomanip>
 #ifdef WIN32
 #include <windows.h>
 #else
 #include <fcntl.h>
 #endif
-#include "../core/except.h"
+#include <msp/core/systemerror.h>
+#include <msp/strings/format.h>
 #include "timestamp.h"
 #include "timezone.h"
 #include "units.h"
@@ -41,7 +33,7 @@ TimeZone get_local_timezone()
 	TIME_ZONE_INFORMATION tzinfo;
 	DWORD dst = GetTimeZoneInformation(&tzinfo);
 	if(dst==TIME_ZONE_ID_INVALID)
-		throw Msp::SystemError("Failed to get time zone information", GetLastError());
+		throw Msp::system_error("GetTimeZoneInformation");
 
 	int offset = tzinfo.Bias;
 	if(dst==TIME_ZONE_ID_STANDARD)
@@ -52,7 +44,7 @@ TimeZone get_local_timezone()
 	return TimeZone(offset);
 #else
 	int fd = open("/etc/localtime", O_RDONLY);
-	if(fd>=-1)
+	if(fd!=-1)
 	{
 		char hdr[44];
 		int len = read(fd, hdr, sizeof(hdr));
@@ -102,7 +94,7 @@ TimeZone get_local_timezone()
 		close(fd);
 
 		if(gmtoff!=-1)
-			return TimeZone(-gmtoff/60, name);
+			return TimeZone(gmtoff/60, name);
 	}
 	return TimeZone();
 #endif
@@ -117,25 +109,23 @@ TimeZone::TimeZone():
 	name("UTC")
 { }
 
-TimeZone::TimeZone(int minutes_west):
-	offset(minutes_west*min)
+TimeZone::TimeZone(int minutes):
+	offset(minutes*min)
 {
-	if(minutes_west)
+	if(minutes)
 	{
-		ostringstream ss;
-		ss.fill('0');
-		int m = abs(minutes_west);
-		ss<<"UTC"<<(minutes_west<0 ? '-' : '+')<<m/60;
+		int m = abs(minutes);
+		name = format("UTC%c%d", (minutes<0 ? '-' : '+'), m/60);
 		if(m%60)
-			ss<<':'<<setw(2)<<m%60;
+			name += format(":%02d", m%60);
 	}
 	else
 		name = "UTC";
 }
 
-TimeZone::TimeZone(int minutes_west, const string &n):
+TimeZone::TimeZone(int minutes, const string &n):
 	name(n),
-	offset(minutes_west*min)
+	offset(minutes*min)
 { }
 
 const TimeZone &TimeZone::utc()