743245e230
.. to avoid name-clashes with (some) libraries. This now also should make it work for the 'native' target (untested).
95 lines
2.5 KiB
C
95 lines
2.5 KiB
C
/**
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* \defgroup Time related functions
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*
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* This rolls the necessary definition for getting/setting time and
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* managing local time into one include file, on posix systems this
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* lives in at least two include files, time.h and sys/time.h
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*
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* @{
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*/
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/**
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* \file
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* Definitions for the time module
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*
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* \author
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* Ralf Schlatterbeck <rsc@tux.runtux.com>
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*/
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#ifndef xtime_h
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#define xtime_h
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/* This is a time.h implementation but to avoid name-clashes with libs
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* trying to be helpfull we add the prefix x
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*/
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#ifdef LOCAL_COMPILE
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#define clock_seconds() 1
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#define clock_time() 1
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#endif
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#define DEFAULT_TIMEZONE "CET-1CEST,M3.5.0,M10.5.0/3"
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typedef signed long long xtime_t;
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typedef signed long suseconds_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* tm_gmtoff and tm_zone are BSD additions */
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struct xtm {
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uint32_t tm_year; /* year */
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uint16_t tm_yday; /* day in the year */
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uint8_t tm_sec; /* seconds */
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uint8_t tm_min; /* minutes */
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uint8_t tm_hour; /* hours */
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uint8_t tm_mday; /* day of the month */
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uint8_t tm_mon; /* month */
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uint8_t tm_wday; /* day of the week */
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uint8_t tm_isdst; /* daylight saving time */
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int32_t tm_gmtoff; /* Seconds east of UTC */
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const char *tm_zone; /* Timezone abbreviation */
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};
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struct xtimeval {
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xtime_t tv_sec; /* seconds */
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suseconds_t tv_usec; /* microseconds */
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};
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struct timezone {
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int16_t tz_minuteswest; /* minutes west of Greenwich */
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int tz_dsttime; /* type of DST correction, unused */
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};
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struct xtm *xgmtime (const xtime_t *timep);
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struct xtm *xgmtime_r (const xtime_t *timep, struct xtm *result);
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struct xtm *xlocaltime (const xtime_t *timep);
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struct xtm *xlocaltime_r (const xtime_t *timep, struct xtm *result);
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int xgettimeofday (struct xtimeval *tv, struct timezone *tz);
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int xsettimeofday (const struct xtimeval *tv, const struct timezone *tz);
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/*
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* Maximum length of all timezone names, this is much longer in UNIX
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* implementations but we have limited space here. Note that the length
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* includes a trailing \0 byte for each timezone name.
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*/
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#ifndef TZ_MAX_CHARS
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#define TZ_MAX_CHARS 16
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#endif
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/* Maximum length of buffer to reserve for timezone string */
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#define MAXTZLEN (TZ_MAX_CHARS+9+2*(2+6+1+8)+1)
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int set_tz (const char *tzstring);
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const char *get_tz (char *buffer, size_t buflen);
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size_t len_tz (void);
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#ifdef __cplusplus
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}
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#endif
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#endif // xtime_h
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/** @} */
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