/*
 * Copyright 2005-2009, Haiku Inc. All Rights Reserved.
 * Distributed under the terms of the MIT License.
 */
#ifndef _FSSH_TIME_H_
#define _FSSH_TIME_H_


#include "fssh_defs.h"


#if defined(__i386__) && !defined(__x86_64__)
typedef int32_t fssh_time_t;
#else
typedef int64_t fssh_time_t;
#endif

typedef int32_t fssh_clock_t;
typedef int32_t fssh_suseconds_t;
typedef uint32_t fssh_useconds_t;

#define FSSH_CLOCKS_PER_SEC     1000
#define FSSH_CLK_TCK            FSSH_CLOCKS_PER_SEC

#define FSSH_MAX_TIMESTR        70
        /* maximum length of a string returned by asctime(), and ctime() */

struct fssh_timespec {
        fssh_time_t     tv_sec;         /* seconds */
        long            tv_nsec;        /* and nanoseconds */
};

struct fssh_itimerspec {
        struct fssh_timespec it_interval;
        struct fssh_timespec it_value;
};

struct fssh_tm {
        int     tm_sec;
        int     tm_min;
        int     tm_hour;
        int     tm_mday;        /* day of month (1 to 31) */
        int     tm_mon;         /* months since January (0 to 11) */
        int     tm_year;        /* years since 1900 */
        int     tm_wday;        /* days since Sunday (0 to 6, Sunday = 0, ...) */
        int     tm_yday;        /* days since January 1 (0 to 365) */
        int     tm_isdst;       /* daylight savings time (0 == no, >0 == yes, <0 == has to be calculated */
        int tm_gmtoff;  /* timezone offset to GMT */
        char *tm_zone;  /* timezone name */
};


#ifdef __cplusplus
extern "C" {
#endif

/* special timezone support */
extern char *fssh_tzname[2];
extern int      fssh_daylight;
extern long     fssh_timezone;

extern fssh_clock_t             fssh_clock(void);
extern double                   fssh_difftime(fssh_time_t time1, fssh_time_t time2);
extern fssh_time_t              fssh_mktime(struct fssh_tm *tm);
extern fssh_time_t              fssh_time(fssh_time_t *timer);
extern char                             *fssh_asctime(const struct fssh_tm *tm);
extern char                             *fssh_asctime_r(const struct fssh_tm *timep,
                                                                char *buffer);
extern  char                    *fssh_ctime(const fssh_time_t *timer);
extern char                             *fssh_ctime_r(const fssh_time_t *timer, char *buffer);
extern struct fssh_tm   *fssh_gmtime(const fssh_time_t *timer);
extern struct fssh_tm   *fssh_gmtime_r(const fssh_time_t *timer,
                                                                struct fssh_tm *tm);
extern struct fssh_tm   *fssh_localtime(const fssh_time_t *timer);
extern struct fssh_tm   *fssh_localtime_r(const fssh_time_t *timer,
                                                                struct fssh_tm *tm);
extern fssh_size_t              fssh_strftime(char *buffer, fssh_size_t maxSize,
                                                                const char *format, const struct fssh_tm *tm);
extern char                     *fssh_strptime(const char *buf, const char *format,
                                                                struct fssh_tm *tm);

/* special timezone support */
extern void fssh_tzset(void);
extern int      fssh_stime(const fssh_time_t *t);

#ifdef __cplusplus
}
#endif

#endif  /* _FSSH_TIME_H_ */