2 * reactos time handling functions emulation of libcaptive
3 * Copyright (C) 2002 Jan Kratochvil <project-captive@jankratochvil.net>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; exactly version 2 of June 1991 is required
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "reactos/ddk/exfuncs.h" /* self */
23 #include <glib/gmessages.h>
28 * ExLocalTimeToSystemTime:
29 * @LocalTime: Time value to convert.
30 * %NULL value is forbidden.
31 * @SystemTime: Returns the converted @LocalTime.
32 * %NULL value is forbidden.
34 * Converts @LocalTime from the current local-timezone to the internation GMT zone
37 VOID ExLocalTimeToSystemTime(PLARGE_INTEGER LocalTime,PLARGE_INTEGER SystemTime)
39 g_return_if_fail(LocalTime!=NULL);
40 g_return_if_fail(SystemTime!=NULL);
43 SystemTime->QuadPart=LocalTime->QuadPart + timezone*G_GINT64_CONSTANT(10000000);
48 * ExSystemTimeToLocalTime:
49 * @SystemTime: Time value to convert.
50 * %NULL value is forbidden.
51 * @LocalTime: Returns the converted @SystemTime.
52 * %NULL value is forbidden.
54 * Converts @SystemTime from the internation GMT zone to the current local-timezone
57 VOID ExSystemTimeToLocalTime(PLARGE_INTEGER SystemTime,PLARGE_INTEGER LocalTime)
59 g_return_if_fail(SystemTime!=NULL);
60 g_return_if_fail(LocalTime!=NULL);
63 LocalTime->QuadPart=SystemTime->QuadPart - timezone*G_GINT64_CONSTANT(10000000);