/usr/include/gwenhywfar4/gwenhywfar/gwentime.h is in libgwenhywfar-core-dev 4.15.3-5+b1.
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$RCSfile$
-------------------
cvs : $Id$
begin : Wed Mar 24 2004
copyright : (C) 2004 by Martin Preuss
email : martin@libchipcard.de
***************************************************************************
* *
* 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 2.1 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 *
* *
***************************************************************************/
#ifndef GWEN_TIME_H
#define GWEN_TIME_H
#include <gwenhywfar/gwenhywfarapi.h>
#include <gwenhywfar/types.h>
#include <gwenhywfar/db.h>
#include <time.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef struct GWEN_TIME GWEN_TIME;
GWENHYWFAR_API int GWEN_Time_toDb(const GWEN_TIME *t, GWEN_DB_NODE *db);
GWENHYWFAR_API GWEN_TIME *GWEN_Time_fromDb(GWEN_DB_NODE *db);
GWENHYWFAR_API GWEN_TIME *GWEN_CurrentTime(void);
GWENHYWFAR_API GWEN_TIME *GWEN_Time_new(int year,
int month,
int day,
int hour,
int min,
int sec,
int inUtc);
/**
* <p>
* Parses the data and time from the given string according to the template
* string (quite similar to sscanf).
* </p>
* <p>
* The string is expected to contain the date/time in local time.
* </p>
* The following characters are accepted in the template string:
* <table border="1">
* <tr><td>Character</td><td>Meaning</td></tr>
* <tr><td>Y</td><td>digit of the year</td></tr>
* <tr><td>M</td><td>digit of the month</td></tr>
* <tr><td>D</td><td>digit of the day of month</td></tr>
* <tr><td>h</td><td>digit of the hour</td></tr>
* <tr><td>m</td><td>digit of the minute</td></tr>
* <tr><td>s</td><td>digit of the second</td></tr>
* </table>
* All other characters are ignored. <br>
* Some examples of valid patterns follow:
* <ul>
* <li>"YYYYMMDD"</li>
* <li>"YYMMDD"</li>
* <li>"YY/MM/DD"</li>
* <li>"YYYYMMDD hh:mm:ss"</li>
* <li>"YYYYMMDD hh:mm"</li>
* <li>"YYYYMMDD hhmmss"</li>
* <li>et cetera</li>
* </ul>
* @return 0 on error, a GWEN_TIME pointer otherwise
* @param s string containing the date/time
* @param tmpl template string
*/
GWENHYWFAR_API GWEN_TIME *GWEN_Time_fromString(const char *s,
const char *tmpl);
GWENHYWFAR_API GWEN_TIME *GWEN_Time_fromUtcString(const char *s,
const char *tmpl);
GWENHYWFAR_API int GWEN_Time_toString(const GWEN_TIME *t,
const char *tmpl,
GWEN_BUFFER *buf);
GWENHYWFAR_API int GWEN_Time_toUtcString(const GWEN_TIME *t,
const char *tmpl,
GWEN_BUFFER *buf);
/**
* Creates a GWEN_TIME object from the return value of @ref GWEN_Time_Seconds.
*/
GWENHYWFAR_API GWEN_TIME *GWEN_Time_fromSeconds(uint32_t s);
GWENHYWFAR_API void GWEN_Time_free(GWEN_TIME *t);
GWENHYWFAR_API GWEN_TIME *GWEN_Time_dup(const GWEN_TIME *t);
/**
* Returns the time in seconds since the epoch (00:00:00 UTC Jan 1, 1970).
*/
GWENHYWFAR_API uint32_t GWEN_Time_Seconds(const GWEN_TIME *t);
/** returns the time in milliseconds */
GWENHYWFAR_API double GWEN_Time_Milliseconds(const GWEN_TIME *t);
/**
* Returns the difference between t1 and t2 in milliseconds
*/
GWENHYWFAR_API double GWEN_Time_Diff(const GWEN_TIME *t1,
const GWEN_TIME *t0);
/**
* Returns the difference between t1 and t2 in seconds
*/
GWENHYWFAR_API double GWEN_Time_DiffSeconds(const GWEN_TIME *t1,
const GWEN_TIME *t0);
/* Compare t1 and t0. Return 0 if both are equal, -1 if t1<t0 and
* 1 if t1>t0
*/
GWENHYWFAR_API int GWEN_Time_Compare(const GWEN_TIME *t1, const GWEN_TIME *t0);
/**
* Adds the given number of seconds to the given GWEN_TIME.
* @return 0 if ok, !=0 on error (see @ref MOD_ERROR_SIMPLE)
*/
GWENHYWFAR_API int GWEN_Time_AddSeconds(GWEN_TIME *ti, uint32_t secs);
/**
* Subs the given number of seconds from the given GWEN_TIME.
* @return 0 if ok, !=0 on error (see @ref MOD_ERROR_SIMPLE)
*/
GWENHYWFAR_API int GWEN_Time_SubSeconds(GWEN_TIME *ti, uint32_t secs);
/**
* Returns the broken down time as local time.
*/
GWENHYWFAR_API int GWEN_Time_GetBrokenDownTime(const GWEN_TIME *t,
int *hours,
int *mins,
int *secs);
/**
* Returns the broken down time as UTC time (Greenwhich Mean time).
*/
GWENHYWFAR_API int GWEN_Time_GetBrokenDownUtcTime(const GWEN_TIME *t,
int *hours,
int *mins,
int *secs);
/**
* Returns the broken down date as local date.
*/
GWENHYWFAR_API int GWEN_Time_GetBrokenDownDate(const GWEN_TIME *t,
int *days,
int *month,
int *year);
/**
* Returns the broken down time as UTC date (Greenwhich Mean time).
*/
GWENHYWFAR_API int GWEN_Time_GetBrokenDownUtcDate(const GWEN_TIME *t,
int *days,
int *month,
int *year);
/**
* Returns this date as a struct tm (see ctime(3)) in the local time
* zone.
*/
GWENHYWFAR_API struct tm GWEN_Time_toTm(const GWEN_TIME *t);
/**
* Returns this date as a time_t value (see time(2)).
*/
GWENHYWFAR_API time_t GWEN_Time_toTime_t(const GWEN_TIME *t);
#ifdef __cplusplus
}
#endif
#endif
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