/*
 * COPYRIGHT (c) DIGITAL EQUIPMENT CORPORATION 1990. ALL RIGHTS RESERVED.
 *
 * THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND  COPIED
 * ONLY  IN  ACCORDANCE  WITH  THE  TERMS  OF  SUCH  LICENSE AND WITH THE
 * INCLUSION OF THE ABOVE COPYRIGHT NOTICE.  THIS SOFTWARE OR  ANY  OTHER
 * COPIES  THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
 * OTHER PERSON.  NO TITLE TO AND OWNERSHIP OF  THE  SOFTWARE  IS  HEREBY
 * TRANSFERRED. 
 *
 * THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE  WITHOUT  NOTICE
 * AND  SHOULD  NOT  BE  CONSTRUED  AS  A COMMITMENT BY DIGITAL EQUIPMENT
 * CORPORATION.
 *
 * DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR  RELIABILITY  OF  ITS
 * SOFTWARE ON EQUIPMENT THAT IS NOT SUPPLIED BY DIGITAL.
 *
 *  MODIFICATIONS:
 *  REV 2   BW0008_DNSDTSS_XXXXX_TIMESPEC, Bob Wheater, 28-MAY-2003
 *	    Rewrite TIMESPEC definition to prevent dup definitions due
 *	    to a last minute change in the CRTL.
 */
 
#ifndef _UTC_H
#define _UTC_H

#include <time.h>
#include <stddef.h>		/* For size_t */

#ifndef _UTC_T_
#define _UTC_T_
typedef struct utc
{
    char char_array[16];
} utc_t;
#endif /* _UTC_T_ */

enum utc_cmptype {
    utc_lessThan,
    utc_equalTo,
    utc_greaterThan,
    utc_indeterminate
};

/*
 * _TIMESPEC_T_, __TIMESPEC, __TIMESPEC_T
 * defined in CRTL (time.h)
 */
#ifndef _TIMESPEC_T_
# define _TIMESPEC_T_
# if defined(__osf__)
#  include <sys/timers.h>
typedef struct timespec timespec_t;
# else
#  ifndef __TIMESPEC
#   define __TIMESPEC
     struct timespec {
        unsigned long tv_sec;
        long tv_nsec;
     };
#  endif /* __TIMESPEC */

#  ifndef __TIMESPEC_T
#   define __TIMESPEC_T
    typedef struct timespec timespec_t;
#  endif /* __TIMESPEC_T */

# endif /* if defined(__osf__) */
#endif /* ifndef _TIMESPEC_T_ */


#ifndef _RELTIMESPEC_T_
#define _RELTIMESPEC_T_
typedef struct reltimespec
{
    long tv_sec;
    long tv_nsec;
} reltimespec_t;
#endif

#define UTC_MAX_STR_LEN	50	/* Max length of string used by conversion
				   routines (utc_asc...) */

#ifdef __STDC__
int utc_gettime(utc_t *utc);
int utc_bintime(timespec_t *timesp, timespec_t *inaccsp, long *tdf, utc_t *utc);
int utc_mkbintime(utc_t *utc, timespec_t *timesp,  timespec_t *inaccsp,
                  long tdf);
int utc_binreltime(reltimespec_t *timesp, timespec_t *inaccsp, utc_t *utc);
int utc_mkbinreltime(utc_t *utc, reltimespec_t *timesp, timespec_t *inaccsp);
int utc_localtime(struct tm *timetm, long *tns, struct tm *inacctm,
		  long *ins, utc_t *utc);
int utc_mklocaltime(utc_t *utc, struct tm *timetm, long tns,
		    struct tm *inacctm, long ins);
int utc_localzone(char *tzname, size_t tzlen, long *tdf, int *isdst,
                  utc_t *utc);
int utc_anyzone(char *tzname, size_t tzlen, long *tdf, int *isdst, utc_t *utc);
int utc_gmtzone(char *tzname, size_t tzlen, long *tdf, int *isdst, utc_t *utc);
int utc_gmtime(struct tm *timetm, long *tns, struct tm *inacctm, long *ins,
               utc_t *utc);
int utc_mkgmtime(utc_t *utc, struct tm *timetm, long tns, struct tm *inacctm,
                 long ins);
int utc_anytime(struct tm *timetm, long *tns, struct tm *inacctm, long *ins,
                long *tdf, utc_t *utc);
int utc_mkanytime(utc_t *utc, struct tm *timetm, long tns, struct tm *inacctm,
                  long ins, long tdf);
int utc_reltime(struct tm *timetm, long *tns, struct tm *inacctm, long *ins,
                utc_t *utc);
int utc_mkreltime(utc_t *utc, struct tm *timetm, long tns, struct tm *inacctm,
                  long ins);
int utc_abstime(utc_t *result, utc_t *utc1);
int utc_addtime(utc_t *result, utc_t *utc1, utc_t *utc2);
int utc_subtime(utc_t *result, utc_t *utc1, utc_t *utc2);
int utc_multime(utc_t *result, utc_t *utc1, long factor);
int utc_mulftime(utc_t *result, utc_t *utc1, double factor);
int utc_cmpmidtime(enum utc_cmptype *relation, utc_t *utc1, utc_t *utc2);
int utc_cmpintervaltime(enum utc_cmptype *relation, utc_t *utc1, utc_t *utc2);
int utc_boundtime(utc_t *result, utc_t *utclp, utc_t *utchp);
int utc_spantime(utc_t *result, utc_t *utc1, utc_t *utc2);
int utc_pointtime(utc_t *utclp, utc_t *utcmp, utc_t *utchp, utc_t *utc);
int utc_getusertime(utc_t *utc);
int utc_ascgmtime(char *cp, size_t stringlen, utc_t *utc);
int utc_asclocaltime(char *cp, size_t stringlen, utc_t *utc);
int utc_ascanytime(char *cp, size_t stringlen, utc_t *utc);
int utc_ascreltime(char *cp, size_t stringlen, utc_t *utc);
int utc_mkasctime(utc_t *utc, char *cp);
int utc_mkascreltime(utc_t *utc, char *cp);
#else
int utc_gettime();
int utc_bintime();
int utc_mkbintime();
int utc_binreltime();
int utc_mkbinreltime();
int utc_localtime();
int utc_mklocaltime();
int utc_mkgmtime();
int utc_anytime();
int utc_mkanytime();
int utc_reltime();
int utc_mkreltime();
int utc_abstime();
int utc_addtime();
int utc_subtime();
int utc_multime();
int utc_mulftime();
int utc_cmpmidtime();
int utc_cmpintervaltime();
int utc_boundtime();
int utc_spantime();
int utc_pointtime();
int utc_getusertime();
int utc_ascgmtime();
int utc_asclocaltime();
int utc_ascanytime();
int utc_ascreltime();
int utc_mkasctime();
int utc_mkascreltime();
#endif /* __STDC__ */
                                                             
#endif /* _UTC_H */