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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/contrib/libfido2/openbsd-compat/time.h
39536 views
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/*

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 * Public domain

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 * sys/time.h compatibility shim

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 */

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#if defined(_MSC_VER) && (_MSC_VER >= 1900)

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#include <../ucrt/time.h>

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#elif defined(_MSC_VER) && (_MSC_VER < 1900)

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#include <../include/time.h>

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#else

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#include <time.h>

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#endif

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#ifndef _COMPAT_TIME_H

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#define _COMPAT_TIME_H

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#ifndef CLOCK_MONOTONIC

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#define CLOCK_MONOTONIC CLOCK_REALTIME

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#endif

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#ifndef CLOCK_REALTIME

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#define CLOCK_REALTIME 0

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#endif

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#ifndef HAVE_CLOCK_GETTIME

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typedef int clockid_t;

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int clock_gettime(clockid_t, struct timespec *);

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#endif

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#ifdef HAVE_TIMESPECSUB

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#include <sys/time.h>

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#endif

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#ifndef HAVE_TIMESPECSUB

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#define	timespecadd(tsp, usp, vsp)					\

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	do {								\

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		(vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec;		\

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		(vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec;	\

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		if ((vsp)->tv_nsec >= 1000000000L) {			\

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			(vsp)->tv_sec++;				\

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			(vsp)->tv_nsec -= 1000000000L;			\

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		}							\

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	} while (0)

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#define timespecsub(tsp, usp, vsp)					\

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	do {								\

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		(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec;		\

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		(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec;	\

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		if ((vsp)->tv_nsec < 0) {				\

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			(vsp)->tv_sec--;				\

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			(vsp)->tv_nsec += 1000000000L;			\

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		}							\

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	} while (0)

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#define	timespeccmp(tsp, usp, cmp)					\

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	(((tsp)->tv_sec == (usp)->tv_sec) ?				\

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	    ((tsp)->tv_nsec cmp (usp)->tv_nsec) :			\

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	    ((tsp)->tv_sec cmp (usp)->tv_sec))

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#endif

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#endif /* _COMPAT_TIME_H */

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