/* Copyright (c) 2000, 2023, Oracle and/or its affiliates.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.

   This program is also distributed with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have included with MySQL.

   Without limiting anything contained in the foregoing, this file,
   which is part of C Driver for MySQL (Connector/C), is also subject to the
   Universal FOSS Exception, version 1.0, a copy of which can be found at
   http://oss.oracle.com/licenses/universal-foss-exception.

   This program 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 General Public License, version 2.0, for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

/* Get date in a printable form: yyyy-mm-dd hh:mm:ss */

#include "mysys_priv.h"
#include "my_sys.h"
#include <m_string.h>

/*
  get date as string

  SYNOPSIS
    get_date()
    to   - string where date will be written
    flag - format of date:
	  If flag & GETDATE_TIME	Return date and time
	  If flag & GETDATE_SHORT_DATE	Return short date format YYMMDD
	  If flag & GETDATE_HHMMSSTIME	Return time in HHMMDD format.
	  If flag & GETDATE_GMT		Date/time in GMT
	  If flag & GETDATE_FIXEDLENGTH	Return fixed length date/time
    date - for conversion
    If flag & GETDATE_T_DELIMITER Append 'T' between date and time.
    If flag & GETDATE_SHORT_DATE_FULL_YEAR Return compact date format YYYYMMDD
*/


void get_date(char * to, int flag, time_t date)
{
   struct tm *start_time;
   time_t skr;
  struct tm tm_tmp;

   skr=date ? (time_t) date : my_time(0);
   if (flag & GETDATE_GMT)
     gmtime_r(&skr,&tm_tmp);
   else
     localtime_r(&skr,&tm_tmp);
   start_time= &tm_tmp;
   if (flag & GETDATE_SHORT_DATE)
     sprintf(to,"%02d%02d%02d",
	     start_time->tm_year % 100,
	     start_time->tm_mon+1,
	     start_time->tm_mday);
   else if (flag & GETDATE_SHORT_DATE_FULL_YEAR)
     sprintf(to,"%4d%02d%02d",
       start_time->tm_year+1900,
       start_time->tm_mon+1,
       start_time->tm_mday);
   else
     sprintf(to, ((flag & GETDATE_FIXEDLENGTH) ?
		  "%4d-%02d-%02d" : "%d-%02d-%02d"),
	     start_time->tm_year+1900,
	     start_time->tm_mon+1,
	     start_time->tm_mday);
   if (flag & GETDATE_DATE_TIME)
   {
     if (flag & GETDATE_T_DELIMITER)
       sprintf(strend(to), "T");
     sprintf(strend(to),
	     ((flag & GETDATE_FIXEDLENGTH) ?
	      " %02d:%02d:%02d" : " %2d:%02d:%02d"),
	     start_time->tm_hour,
	     start_time->tm_min,
	     start_time->tm_sec);
   }
   else if (flag & GETDATE_HHMMSSTIME)
   {
     if (flag & GETDATE_T_DELIMITER)
       sprintf(strend(to), "T");
     sprintf(strend(to),"%02d%02d%02d",
	     start_time->tm_hour,
	     start_time->tm_min,
	     start_time->tm_sec);
   }
} /* get_date */