vlc/compat/localtime_r.c
2023-01-20 07:17:07 +00:00

50 lines
1.7 KiB
C

/*****************************************************************************
* localtime_r.c: POSIX localtime_r() replacement
*****************************************************************************
* Copyright © 1998-2015 VLC authors and VideoLAN
*
* This program 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 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#if defined(__STDC_LIB_EXT1__) && (__STDC_LIB_EXT1__ >= 20112L)
# define __STDC_WANT_LIB_EXT1__ 1
#else
# define __STDC_WANT_LIB_EXT1__ 0
#endif
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <errno.h>
#include <time.h>
/* If localtime_r() is not provided, we assume localtime() uses
* thread-specific storage. */
struct tm *localtime_r (const time_t *timep, struct tm *result)
{
#if (__STDC_WANT_LIB_EXT1__)
return localtime_s(timep, result);
#elif defined (_WIN32)
errno_t ret = localtime_s(result, timep);
if (ret == 0)
return result;
errno = ret;
return NULL;
#else
# warning localtime_r() not implemented!
return gmtime_r(timep, result);
#endif
}