root/lib/libc/sys/w_gettimeofday.c
/*      $OpenBSD: w_gettimeofday.c,v 1.1 2020/07/06 13:33:06 pirofti Exp $ */
/*
 * Copyright (c) 2020 Robert Nagy <robert@openbsd.org>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/timetc.h>

int
WRAP(gettimeofday)(struct timeval *tp, struct timezone *tzp)
{
        int rc = 0;
        struct timekeep *timekeep = _timekeep;
        static struct timezone zerotz = { 0, 0 };

        if (timekeep == NULL || timekeep->tk_user == 0)
                return gettimeofday(tp, tzp);

        if (tp)
                rc = _microtime(tp, timekeep);
        if (rc)
                return gettimeofday(tp, tzp);

        if (tzp)
                *tzp = zerotz;

        return 0;
}
DEF_WRAP(gettimeofday);