2 * Copyright © 2010 Codethink Limited
4 * SPDX-License-Identifier: LGPL-2.1-or-later
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
19 * Author: Ryan Lortie <desrt@desrt.ca>
22 #ifndef __G_TIME_ZONE_H__
23 #define __G_TIME_ZONE_H__
25 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
26 #error "Only <glib.h> can be included directly."
29 #include <glib/gerror.h>
30 #include <glib/gtypes.h>
34 typedef struct _GTimeZone GTimeZone;
38 * @G_TIME_TYPE_STANDARD: the time is in local standard time
39 * @G_TIME_TYPE_DAYLIGHT: the time is in local daylight time
40 * @G_TIME_TYPE_UNIVERSAL: the time is in UTC
42 * Disambiguates a given time in two ways.
44 * First, specifies if the given time is in universal or local time.
46 * Second, if the time is in local time, specifies if it is local
47 * standard time or local daylight time. This is important for the case
48 * where the same local time occurs twice (during daylight savings time
49 * transitions, for example).
58 GLIB_DEPRECATED_IN_2_68_FOR (g_time_zone_new_identifier)
59 GTimeZone * g_time_zone_new (const gchar *identifier);
60 GLIB_AVAILABLE_IN_2_68
61 GTimeZone * g_time_zone_new_identifier (const gchar *identifier);
63 GTimeZone * g_time_zone_new_utc (void);
65 GTimeZone * g_time_zone_new_local (void);
66 GLIB_AVAILABLE_IN_2_58
67 GTimeZone * g_time_zone_new_offset (gint32 seconds);
70 GTimeZone * g_time_zone_ref (GTimeZone *tz);
72 void g_time_zone_unref (GTimeZone *tz);
75 gint g_time_zone_find_interval (GTimeZone *tz,
80 gint g_time_zone_adjust_time (GTimeZone *tz,
85 const gchar * g_time_zone_get_abbreviation (GTimeZone *tz,
88 gint32 g_time_zone_get_offset (GTimeZone *tz,
91 gboolean g_time_zone_is_dst (GTimeZone *tz,
93 GLIB_AVAILABLE_IN_2_58
94 const gchar * g_time_zone_get_identifier (GTimeZone *tz);
98 #endif /* __G_TIME_ZONE_H__ */