view lib/time_r.c @ 17364:7524d97ae56f

stdalign: port to stricter ISO C11 ISO C11 says that _Alignof's operand must be a parenthesized type. Problem reported by Eli Zaretskii in <http://lists.gnu.org/archive/html/emacs-devel/2013-03/msg00960.html>. * doc/posix-headers/stdalign.texi (stdalign.h): Document this. * m4/stdalign.m4 (gl_STDALIGN_H): Don't use _Alignof (expr).
author Paul Eggert <eggert@cs.ucla.edu>
date Fri, 29 Mar 2013 19:47:13 -0700
parents e542fd46ad6f
children 344018b6e5d7
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/* Reentrant time functions like localtime_r.

   Copyright (C) 2003, 2006-2007, 2010-2013 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 2, 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 <http://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));
}