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Merge branch 'test-ip_mreq_source-android-only' into 'master'
[glib.git] / glib / gdatetime.h
blob65f9965ac576aa6572149e13a06182e2c1ae5e1b
1 /*
2 * Copyright (C) 2009-2010 Christian Hergert <chris@dronelabs.com>
3 * Copyright © 2010 Codethink Limited
4 *
5 * This library is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License as
7 * published by the Free Software Foundation; either version 2.1 of the
8 * licence, or (at your option) any later version.
9 *
10 * This is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
13 * License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public License
16 * along with this library; if not, see <http://www.gnu.org/licenses/>.
17 *
18 * Authors: Christian Hergert <chris@dronelabs.com>
19 * Thiago Santos <thiago.sousa.santos@collabora.co.uk>
20 * Emmanuele Bassi <ebassi@linux.intel.com>
21 * Ryan Lortie <desrt@desrt.ca>
22 */
23
24 #ifndef __G_DATE_TIME_H__
25 #define __G_DATE_TIME_H__
26
27 #if !defined (__GLIB_H_INSIDE__) && !defined (GLIB_COMPILATION)
28 #error "Only <glib.h> can be included directly."
29 #endif
30
31 #include <glib/gtimezone.h>
32
33 G_BEGIN_DECLS
34
35 /**
36 * G_TIME_SPAN_DAY:
37 *
38 * Evaluates to a time span of one day.
39 *
40 * Since: 2.26
41 */
42 #define G_TIME_SPAN_DAY (G_GINT64_CONSTANT (86400000000))
43
44 /**
45 * G_TIME_SPAN_HOUR:
46 *
47 * Evaluates to a time span of one hour.
48 *
49 * Since: 2.26
50 */
51 #define G_TIME_SPAN_HOUR (G_GINT64_CONSTANT (3600000000))
52
53 /**
54 * G_TIME_SPAN_MINUTE:
55 *
56 * Evaluates to a time span of one minute.
57 *
58 * Since: 2.26
59 */
60 #define G_TIME_SPAN_MINUTE (G_GINT64_CONSTANT (60000000))
61
62 /**
63 * G_TIME_SPAN_SECOND:
64 *
65 * Evaluates to a time span of one second.
66 *
67 * Since: 2.26
68 */
69 #define G_TIME_SPAN_SECOND (G_GINT64_CONSTANT (1000000))
70
71 /**
72 * G_TIME_SPAN_MILLISECOND:
73 *
74 * Evaluates to a time span of one millisecond.
75 *
76 * Since: 2.26
77 */
78 #define G_TIME_SPAN_MILLISECOND (G_GINT64_CONSTANT (1000))
79
80 /**
81 * GTimeSpan:
82 *
83 * A value representing an interval of time, in microseconds.
84 *
85 * Since: 2.26
86 */
87 typedef gint64 GTimeSpan;
88
89 /**
90 * GDateTime:
91 *
92 * `GDateTime` is an opaque structure whose members
93 * cannot be accessed directly.
94 *
95 * Since: 2.26
96 */
97 typedef struct _GDateTime GDateTime;
98
99 GLIB_AVAILABLE_IN_ALL
100 void g_date_time_unref (GDateTime *datetime);
101 GLIB_AVAILABLE_IN_ALL
102 GDateTime * g_date_time_ref (GDateTime *datetime);
103
104 GLIB_AVAILABLE_IN_ALL
105 GDateTime * g_date_time_new_now (GTimeZone *tz);
106 GLIB_AVAILABLE_IN_ALL
107 GDateTime * g_date_time_new_now_local (void);
108 GLIB_AVAILABLE_IN_ALL
109 GDateTime * g_date_time_new_now_utc (void);
110
111 GLIB_AVAILABLE_IN_ALL
112 GDateTime * g_date_time_new_from_unix_local (gint64 t);
113 GLIB_AVAILABLE_IN_ALL
114 GDateTime * g_date_time_new_from_unix_utc (gint64 t);
115
116 GLIB_AVAILABLE_IN_ALL
117 GDateTime * g_date_time_new_from_timeval_local (const GTimeVal *tv);
118 GLIB_AVAILABLE_IN_ALL
119 GDateTime * g_date_time_new_from_timeval_utc (const GTimeVal *tv);
120
121 GLIB_AVAILABLE_IN_2_56
122 GDateTime * g_date_time_new_from_iso8601 (const gchar *text,
123 GTimeZone *default_tz);
124
125 GLIB_AVAILABLE_IN_ALL
126 GDateTime * g_date_time_new (GTimeZone *tz,
127 gint year,
128 gint month,
129 gint day,
130 gint hour,
131 gint minute,
132 gdouble seconds);
133 GLIB_AVAILABLE_IN_ALL
134 GDateTime * g_date_time_new_local (gint year,
135 gint month,
136 gint day,
137 gint hour,
138 gint minute,
139 gdouble seconds);
140 GLIB_AVAILABLE_IN_ALL
141 GDateTime * g_date_time_new_utc (gint year,
142 gint month,
143 gint day,
144 gint hour,
145 gint minute,
146 gdouble seconds);
147
148 GLIB_AVAILABLE_IN_ALL
149 G_GNUC_WARN_UNUSED_RESULT
150 GDateTime * g_date_time_add (GDateTime *datetime,
151 GTimeSpan timespan);
152
153 GLIB_AVAILABLE_IN_ALL
154 G_GNUC_WARN_UNUSED_RESULT
155 GDateTime * g_date_time_add_years (GDateTime *datetime,
156 gint years);
157 GLIB_AVAILABLE_IN_ALL
158 G_GNUC_WARN_UNUSED_RESULT
159 GDateTime * g_date_time_add_months (GDateTime *datetime,
160 gint months);
161 GLIB_AVAILABLE_IN_ALL
162 G_GNUC_WARN_UNUSED_RESULT
163 GDateTime * g_date_time_add_weeks (GDateTime *datetime,
164 gint weeks);
165 GLIB_AVAILABLE_IN_ALL
166 G_GNUC_WARN_UNUSED_RESULT
167 GDateTime * g_date_time_add_days (GDateTime *datetime,
168 gint days);
169
170 GLIB_AVAILABLE_IN_ALL
171 G_GNUC_WARN_UNUSED_RESULT
172 GDateTime * g_date_time_add_hours (GDateTime *datetime,
173 gint hours);
174 GLIB_AVAILABLE_IN_ALL
175 G_GNUC_WARN_UNUSED_RESULT
176 GDateTime * g_date_time_add_minutes (GDateTime *datetime,
177 gint minutes);
178 GLIB_AVAILABLE_IN_ALL
179 G_GNUC_WARN_UNUSED_RESULT
180 GDateTime * g_date_time_add_seconds (GDateTime *datetime,
181 gdouble seconds);
182
183 GLIB_AVAILABLE_IN_ALL
184 G_GNUC_WARN_UNUSED_RESULT
185 GDateTime * g_date_time_add_full (GDateTime *datetime,
186 gint years,
187 gint months,
188 gint days,
189 gint hours,
190 gint minutes,
191 gdouble seconds);
192
193 GLIB_AVAILABLE_IN_ALL
194 gint g_date_time_compare (gconstpointer dt1,
195 gconstpointer dt2);
196 GLIB_AVAILABLE_IN_ALL
197 GTimeSpan g_date_time_difference (GDateTime *end,
198 GDateTime *begin);
199 GLIB_AVAILABLE_IN_ALL
200 guint g_date_time_hash (gconstpointer datetime);
201 GLIB_AVAILABLE_IN_ALL
202 gboolean g_date_time_equal (gconstpointer dt1,
203 gconstpointer dt2);
204
205 GLIB_AVAILABLE_IN_ALL
206 void g_date_time_get_ymd (GDateTime *datetime,
207 gint *year,
208 gint *month,
209 gint *day);
210
211 GLIB_AVAILABLE_IN_ALL
212 gint g_date_time_get_year (GDateTime *datetime);
213 GLIB_AVAILABLE_IN_ALL
214 gint g_date_time_get_month (GDateTime *datetime);
215 GLIB_AVAILABLE_IN_ALL
216 gint g_date_time_get_day_of_month (GDateTime *datetime);
217
218 GLIB_AVAILABLE_IN_ALL
219 gint g_date_time_get_week_numbering_year (GDateTime *datetime);
220 GLIB_AVAILABLE_IN_ALL
221 gint g_date_time_get_week_of_year (GDateTime *datetime);
222 GLIB_AVAILABLE_IN_ALL
223 gint g_date_time_get_day_of_week (GDateTime *datetime);
224
225 GLIB_AVAILABLE_IN_ALL
226 gint g_date_time_get_day_of_year (GDateTime *datetime);
227
228 GLIB_AVAILABLE_IN_ALL
229 gint g_date_time_get_hour (GDateTime *datetime);
230 GLIB_AVAILABLE_IN_ALL
231 gint g_date_time_get_minute (GDateTime *datetime);
232 GLIB_AVAILABLE_IN_ALL
233 gint g_date_time_get_second (GDateTime *datetime);
234 GLIB_AVAILABLE_IN_ALL
235 gint g_date_time_get_microsecond (GDateTime *datetime);
236 GLIB_AVAILABLE_IN_ALL
237 gdouble g_date_time_get_seconds (GDateTime *datetime);
238
239 GLIB_AVAILABLE_IN_ALL
240 gint64 g_date_time_to_unix (GDateTime *datetime);
241 GLIB_AVAILABLE_IN_ALL
242 gboolean g_date_time_to_timeval (GDateTime *datetime,
243 GTimeVal *tv);
244
245 GLIB_AVAILABLE_IN_ALL
246 GTimeSpan g_date_time_get_utc_offset (GDateTime *datetime);
247 GLIB_AVAILABLE_IN_2_58
248 GTimeZone * g_date_time_get_timezone (GDateTime *datetime);
249 GLIB_AVAILABLE_IN_ALL
250 const gchar * g_date_time_get_timezone_abbreviation (GDateTime *datetime);
251 GLIB_AVAILABLE_IN_ALL
252 gboolean g_date_time_is_daylight_savings (GDateTime *datetime);
253
254 GLIB_AVAILABLE_IN_ALL
255 GDateTime * g_date_time_to_timezone (GDateTime *datetime,
256 GTimeZone *tz);
257 GLIB_AVAILABLE_IN_ALL
258 GDateTime * g_date_time_to_local (GDateTime *datetime);
259 GLIB_AVAILABLE_IN_ALL
260 GDateTime * g_date_time_to_utc (GDateTime *datetime);
261
262 GLIB_AVAILABLE_IN_ALL
263 gchar * g_date_time_format (GDateTime *datetime,
264 const gchar *format) G_GNUC_MALLOC;
265
266 G_END_DECLS
267
268 #endif /* __G_DATE_TIME_H__ */
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