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/********************************************************************
* File: gmtime_r.c
* Renamed from: core-utils.h
*
* Copyright (C) 2001 Linux Developers Group
*
* 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 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
* General Public License 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
********************************************************************/
#include "config.h"
#if !HAVE_GMTIME_R
#include <time.h>
#include <string.h>
#include "gmtime_r.h"
#if HAVE_PTHREAD_MUTEX_INIT
#include <pthread.h>
#ifdef gmtime_r
#undef gmtime_r
#endif
struct tm *
gmtime_r(const time_t *const timep, struct tm *p_tm)
{
static pthread_mutex_t time_mutex;
static int time_mutex_inited = 0;
struct tm *tmp;
if (!time_mutex_inited)
{
time_mutex_inited = 1;
pthread_mutex_init(&time_mutex, NULL);
}
pthread_mutex_lock(&time_mutex);
tmp = gmtime(timep);
if (tmp)
{
memcpy(p_tm, tmp, sizeof(struct tm));
tmp = p_tm;
}
pthread_mutex_unlock(&time_mutex);
return tmp;
}
#else
struct tm *
gmtime_r(const time_t *const timep, struct tm *p_tm)
{
static struct tm* tmp;
tmp = gmtime(timep);
if (tmp)
{
memcpy(p_tm, tmp, sizeof(struct tm));
tmp = p_tm;
}
return tmp;
}
#endif /* HAVE_PTHREAD_MUTEX_INIT */
#endif /* !HAVE_GMTIME_R */
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