/* Reentrant time functions like localtime_r.

   Copyright (C) 2003, 2006-2007, 2010-2018 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3, or (at your option)

   any later version.

   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 for more details.

   You should have received a copy of the GNU General Public License along

   with this program; if not, see <https://www.gnu.org/licenses/>.  */

/* Written by Paul Eggert.  */

#include <config.h>

#include <time.h>

static struct tm *

copy_tm_result (struct tm *dest, struct tm const *src)

{

  if (! src)

    return 0;

  *dest = *src;

  return dest;

}

struct tm *

gmtime_r (time_t const * restrict t, struct tm * restrict tp)

{

  return copy_tm_result (tp, gmtime (t));

}

struct tm *

localtime_r (time_t const * restrict t, struct tm * restrict tp)

{

  return copy_tm_result (tp, localtime (t));

}