/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SA_TIME_H
#define _SA_TIME_H

#pragma ident   "%Z%%M% %I%     %E% SMI"

/*
 * Exported interfaces for standalone's subset of libc's <time.h>.
 * All standalone code *must* use this header rather than libc's.
 */

#include <sys/types.h>

#ifdef __cplusplus
extern "C" {
#endif

struct  tm {
        int     tm_sec;         /* seconds after the minute */
        int     tm_min;         /* minutes after the hour */
        int     tm_hour;        /* hour since midnight */
        int     tm_mday;        /* day of the month */
        int     tm_mon;         /* months since January */
        int     tm_year;        /* years since 1900 */
        int     tm_wday;        /* days since Sunday */
        int     tm_yday;        /* Days since January 1 */
        int     tm_isdst;       /* flag for alternate daylight savings time */
};

extern time_t time(time_t *);
extern char *ctime(const time_t *t);
extern struct tm *gmtime(const time_t *);
extern struct tm *localtime(const time_t *);

/*
 * The following silly #defines are actually ripped off from <tzfile.h>.
 * Since <tzfile.h> is not a documented header, it seemed better to just
 * inline them here rather than having a full-blown <tzfile.h> of our own.
 */
#define EPOCH_YEAR              1970
#define EPOCH_WDAY              4
#define SECS_PER_MIN            60
#define DAYS_PER_WEEK           7
#define DAYS_PER_NYEAR          365
#define DAYS_PER_LYEAR          366
#define MONS_PER_YEAR           12
#define SECS_PER_HOUR           (SECS_PER_MIN * 60)
#define SECS_PER_DAY            (SECS_PER_HOUR * 24)
#define TM_YEAR_BASE            1900

#define isleap(y) (((y) % 4) == 0 && (((y) % 100) != 0 || ((y) % 400) == 0))

#ifdef __cplusplus
}
#endif

#endif /* _SA_TIME_H */