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/* gdatetime.h
*
* Copyright (C) 2009 Christian Hergert
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#if defined(G_DISABLE_SINGLE_INCLUDES) && !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
#error "Only <glib.h> can be included directly."
#endif
#ifndef __G_DATE_TIME_H__
#define __G_DATE_TIME_H__
#include <time.h>
#include <glib/gtypes.h>
G_BEGIN_DECLS
#define G_TIME_SPAN_DAY (G_GINT64_CONSTANT (864000000000))
#define G_TIME_SPAN_HOUR (G_GINT64_CONSTANT (36000000000))
#define G_TIME_SPAN_MINUTE (G_GINT64_CONSTANT (600000000))
#define G_TIME_SPAN_SECOND (G_GINT64_CONSTANT (10000000))
#define G_TIME_SPAN_MILLISECOND (G_GINT64_CONSTANT (10000))
#define G_TIME_SPAN_TO_DAYS(t) ((gdouble)(t) / (gdouble)G_TIME_SPAN_DAY)
#define G_TIME_SPAN_TO_HOURS(t) ((gdouble)(t) / (gdouble)G_TIME_SPAN_HOUR)
#define G_TIME_SPAN_TO_MINUTES(t) ((gdouble)(t) / (gdouble)G_TIME_SPAN_MINUTE)
#define G_TIME_SPAN_TO_SECONDS(t) ((gdouble)(t) / (gdouble)G_TIME_SPAN_SECOND)
#define G_TIME_SPAN_TO_MILLISECONDS(t) ((gdouble)(t) / (gdouble)G_TIME_SPAN_MILLISECOND)
typedef gint64 GTimeSpan;
typedef struct _GDateTime GDateTime;
void g_date_time_add (GDateTime *datetime,
GTimeSpan *timespan);
void g_date_time_add_years (GDateTime *datetime,
gint years);
void g_date_time_add_months (GDateTime *datetime,
gint months);
void g_date_time_add_weeks (GDateTime *datetime,
gint weeks);
void g_date_time_add_days (GDateTime *datetime,
gint days);
void g_date_time_add_hours (GDateTime *datetime,
gint hours);
void g_date_time_add_minutes (GDateTime *datetime,
gint minutes);
void g_date_time_add_seconds (GDateTime *datetime,
gint seconds);
void g_date_time_add_milliseconds (GDateTime *datetime,
gint milliseconds);
gint g_date_time_compare (GDateTime *dt1,
GDateTime *dt2);
GDateTime* g_date_time_copy (GDateTime *datetime);
GDateTime* g_date_time_date (GDateTime *datetime);
void g_date_time_diff (GDateTime *begin,
GDateTime *end,
GTimeSpan *diff);
gboolean g_date_time_equal (gconstpointer v1,
gconstpointer v2);
gint g_date_time_get_day (GDateTime *datetime);
gint g_date_time_get_day_of_week (GDateTime *datetime);
gint g_date_time_get_day_of_year (GDateTime *datetime);
gint g_date_time_get_hour (GDateTime *datetime);
gint g_date_time_get_millisecond (GDateTime *datetime);
gint g_date_time_get_minute (GDateTime *datetime);
gint g_date_time_get_month (GDateTime *datetime);
gint g_date_time_get_second (GDateTime *datetime);
void g_date_time_get_utc_offset (GDateTime *datetime,
GTimeSpan *offset);
gint g_date_time_get_year (GDateTime *datetime);
guint g_date_time_hash (gconstpointer datetime);
gchar* g_date_time_format_for_display (GDateTime *datetime);
gboolean g_date_time_is_leap_year (GDateTime *datetime);
gboolean g_date_time_is_daylight_savings (GDateTime *datetime);
GDateTime* g_date_time_new (void);
GDateTime* g_date_time_new_from_date (gint year,
gint month,
gint day);
GDateTime* g_date_time_new_from_ticks (gint64 ticks);
GDateTime* g_date_time_new_from_time_t (time_t t);
GDateTime* g_date_time_new_from_timeval (const GTimeVal *tv);
GDateTime* g_date_time_new_full (gint year,
gint month,
gint day,
gint hour,
gint minute,
gint second);
GDateTime* g_date_time_now (void);
GDateTime* g_date_time_parse (const gchar *input);
GDateTime* g_date_time_parse_with_format (const gchar *format,
const gchar *input);
GDateTime* g_date_time_ref (GDateTime *datetime);
GDateTime* g_date_time_to_local (GDateTime *datetime);
time_t g_date_time_to_time_t (GDateTime *datetime);
void g_date_time_to_timeval (GDateTime *datetime,
GTimeVal *tv);
GDateTime* g_date_time_to_utc (GDateTime *datetime);
GDateTime* g_date_time_today (void);
GDateTime* g_date_time_tomorrow (void);
void g_date_time_unref (GDateTime *datetime);
GDateTime* g_date_time_utc_now (void);
GDateTime* g_date_time_yesterday (void);
gchar* g_date_time_printf (GDateTime *datetime,
const gchar *format);
G_END_DECLS
#endif /* __G_DATE_TIME_H__ */
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