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90 lines
3.4 KiB
C
90 lines
3.4 KiB
C
/*
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* Copyright © 2010 Codethink Limited
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* licence, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author: Ryan Lortie <desrt@desrt.ca>
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*/
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#ifndef __G_TIME_ZONE_H__
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#define __G_TIME_ZONE_H__
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#if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
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#error "Only <glib.h> can be included directly."
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#endif
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#include <glib/gtypes.h>
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G_BEGIN_DECLS
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typedef struct _GTimeZone GTimeZone;
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/**
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* GTimeType:
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* @G_TIME_TYPE_STANDARD: the time is in local standard time
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* @G_TIME_TYPE_DAYLIGHT: the time is in local daylight time
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* @G_TIME_TYPE_UNIVERSAL: the time is in UTC
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*
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* Disambiguates a given time in two ways.
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*
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* First, specifies if the given time is in universal or local time.
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*
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* Second, if the time is in local time, specifies if it is local
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* standard time or local daylight time. This is important for the case
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* where the same local time occurs twice (during daylight savings time
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* transitions, for example).
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*/
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typedef enum
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{
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G_TIME_TYPE_STANDARD,
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G_TIME_TYPE_DAYLIGHT,
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G_TIME_TYPE_UNIVERSAL
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} GTimeType;
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GLIB_AVAILABLE_IN_ALL
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GTimeZone * g_time_zone_new (const gchar *identifier);
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GLIB_AVAILABLE_IN_ALL
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GTimeZone * g_time_zone_new_utc (void);
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GLIB_AVAILABLE_IN_ALL
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GTimeZone * g_time_zone_new_local (void);
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GLIB_AVAILABLE_IN_ALL
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GTimeZone * g_time_zone_ref (GTimeZone *tz);
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GLIB_AVAILABLE_IN_ALL
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void g_time_zone_unref (GTimeZone *tz);
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GLIB_AVAILABLE_IN_ALL
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gint g_time_zone_find_interval (GTimeZone *tz,
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GTimeType type,
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gint64 time_);
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GLIB_AVAILABLE_IN_ALL
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gint g_time_zone_adjust_time (GTimeZone *tz,
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GTimeType type,
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gint64 *time_);
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GLIB_AVAILABLE_IN_ALL
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const gchar * g_time_zone_get_abbreviation (GTimeZone *tz,
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gint interval);
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GLIB_AVAILABLE_IN_ALL
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gint32 g_time_zone_get_offset (GTimeZone *tz,
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gint interval);
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GLIB_AVAILABLE_IN_ALL
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gboolean g_time_zone_is_dst (GTimeZone *tz,
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gint interval);
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G_END_DECLS
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#endif /* __G_TIME_ZONE_H__ */
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