bind/lib/isc/unix/stdtime.c

/*
 * Copyright (C) 1999-2001  Internet Software Consortium.
 *
 * 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 INTERNET SOFTWARE CONSORTIUM
 * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
 * INTERNET SOFTWARE CONSORTIUM 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.
 */

/* $Id: stdtime.c,v 1.11 2001/02/13 13:24:09 marka Exp $ */

#include <config.h>

#include <stdlib.h>	/* NULL */

#include <sys/time.h>

#include <isc/stdtime.h>
#include <isc/util.h>

void
isc_stdtime_get(isc_stdtime_t *t) {
	struct timeval tv;

	/*
	 * Set 't' to the number of seconds since 00:00:00 UTC, January 1,
	 * 1970.
	 */

	REQUIRE(t != NULL);

	RUNTIME_CHECK(gettimeofday(&tv, NULL) != -1);

	INSIST(tv.tv_usec >= 0 && tv.tv_usec < 1000000);

	*t = (unsigned int)tv.tv_sec;
}