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clock_subr.h revision 1.1 
      1 /*	$NetBSD: clock_subr.h,v 1.1 2014/09/01 07:48:16 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Gordon W. Ross
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _DEV_CLOCK_SUBR_H_
     33 #define _DEV_CLOCK_SUBR_H_
     34 
     35 /*
     36  * This is a slightly stripped down version of src/sys/dev/clock_subr.h
     37  */
     38 
     39 /*
     40  * "POSIX time" to/from "YY/MM/DD/hh/mm/ss"
     41  */
     42 struct clock_ymdhms {
     43 	u_short dt_year;
     44 	u_char dt_mon;
     45 	u_char dt_day;
     46 	u_char dt_wday;	/* Day of week */
     47 	u_char dt_hour;
     48 	u_char dt_min;
     49 	u_char dt_sec;
     50 };
     51 
     52 time_t	clock_ymdhms_to_secs(struct clock_ymdhms *);
     53 void	clock_secs_to_ymdhms(time_t, struct clock_ymdhms *);
     54 
     55 /* Some handy constants. */
     56 #define SECDAY		(24 * 60 * 60)
     57 #define SECYR		(SECDAY * 365)
     58 
     59 /* Traditional POSIX base year */
     60 #define	POSIX_BASE_YEAR	1970
     61 
     62 #endif /* _DEV_CLOCK_SUBR_H_ */
     63