added: TimeZone struct (core)

this class has information about a time zone (utf offset, daylight saving time)
       and methods for converting between UTC and local time
       structs User and Config has a TimeZone object
       System::ToLocal() and System::ToUTC() uses it for converting
       (depending whether a user is logged or not)


git-svn-id: svn://ttmath.org/publicrep/winix/trunk@842 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/user.cpp

@@ -0,0 +1,63 @@
+/*
+ * This file is a part of Winix
+ * and is not publicly distributed
+ * 
+ * Copyright (c) 2012, Tomasz Sowa
+ * All rights reserved.
+ * 
+ */
+ 
+#include "user.h"
+
+
+User::User()
+{
+	Clear();
+}
+
+
+void User::Clear()
+{
+	id = -1;
+	name.clear();
+	super_user = false;
+	groups.clear();
+	email.clear();
+	notify = 0;
+	env.Clear();
+	aenv.Clear();
+	status = WINIX_ACCOUNT_BLOCKED;
+}
+
+
+bool User::IsMemberOf(long group)
+{
+std::vector<long>::iterator i;
+
+	for(i=groups.begin() ; i!=groups.end() ; ++i)
+		if( *i == group )
+			return true;
+
+return false;
+}
+
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