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cc65/include/time.h
Oliver Schmidt f723147f04 Streamlined clock rate handling.
* Docs say that CLK_TCK is an obsolete alias of CLOCKS_PER_SEC so there's no point in individual definitions.
* All targets determining the clock rate at runtime can use a common handling.
2020-10-25 14:06:44 +01:00

137 lines
5.0 KiB
C

/*****************************************************************************/
/* */
/* time.h */
/* */
/* Date and time */
/* */
/* */
/* */
/* (C) 1998-2012 Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef _TIME_H
#define _TIME_H
/* NULL pointer */
#ifndef _HAVE_NULL
#define NULL 0
#define _HAVE_NULL
#endif
/* size_t is needed */
#ifndef _HAVE_size_t
#define _HAVE_size_t
typedef unsigned size_t;
#endif
typedef unsigned long time_t;
typedef unsigned long clock_t;
typedef unsigned char clockid_t;
/* Structure for broken down time */
struct tm {
int tm_sec;
int tm_min;
int tm_hour;
int tm_mday;
int tm_mon;
int tm_year;
int tm_wday;
int tm_yday;
int tm_isdst;
};
/* Structure for seconds and nanoseconds */
struct timespec {
time_t tv_sec;
long tv_nsec;
};
/* Timezone representation, default is UTC */
extern struct _timezone {
char daylight; /* True if daylight savings time active */
long timezone; /* Number of seconds behind UTC */
char tzname[5]; /* Name of timezone, e.g. CET */
char dstname[5]; /* Name when daylight true, e.g. CEST */
} _tz;
#if defined(__ATARI5200__)
# define CLOCKS_PER_SEC 60
#elif defined(__ATMOS__)
# define CLOCKS_PER_SEC 100
#elif defined(__CBM__)
# if defined(__CBM510__) || defined(__CBM610__)
/* The 510/610 gets its clock from the AC current */
# define CLOCKS_PER_SEC 50
# else
# define CLOCKS_PER_SEC 60
# endif
#elif defined(__NES__)
# define CLOCKS_PER_SEC 50
#elif defined(__PCE__)
# define CLOCKS_PER_SEC 60
#elif defined(__GAMATE__)
# define CLOCKS_PER_SEC 135 /* FIXME */
#elif defined(__GEOS__)
# define CLOCKS_PER_SEC 1
#else
/* Read the clock rate at runtime */
clock_t _clocks_per_sec (void);
# define CLOCKS_PER_SEC _clocks_per_sec()
#endif
#define CLK_TCK CLOCKS_PER_SEC
#define CLOCK_REALTIME 0
/* ISO C function prototypes */
char* __fastcall__ asctime (const struct tm* timep);
clock_t clock (void);
char* __fastcall__ ctime (const time_t* timep);
struct tm* __fastcall__ gmtime (const time_t* timep);
struct tm* __fastcall__ localtime (const time_t* timep);
time_t __fastcall__ mktime (struct tm* timep);
size_t __fastcall__ strftime (char* buf, size_t bufsize, const char* format, const struct tm* tm);
time_t __fastcall__ time (time_t* t);
/* POSIX function prototypes */
int __fastcall__ clock_getres (clockid_t clock_id, struct timespec *res);
int __fastcall__ clock_gettime (clockid_t clock_id, struct timespec *tp);
int __fastcall__ clock_settime (clockid_t clock_id, const struct timespec *tp);
/* End of time.h */
#endif