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/*
* Public domain
* sys/time.h compatibility shim
*/
#if defined(_MSC_VER) && (_MSC_VER >= 1900)
#include <../ucrt/time.h>
#elif defined(_MSC_VER) && (_MSC_VER < 1900)
#include <../include/time.h>
#else
#include <time.h>
#endif
#ifndef _COMPAT_TIME_H
#define _COMPAT_TIME_H
#ifndef CLOCK_MONOTONIC
#define CLOCK_MONOTONIC CLOCK_REALTIME
#endif
#ifndef CLOCK_REALTIME
#define CLOCK_REALTIME 0
#endif
#ifndef HAVE_CLOCK_GETTIME
typedef int clockid_t;
int clock_gettime(clockid_t, struct timespec *);
#endif
#ifdef HAVE_TIMESPECSUB
#include <sys/time.h>
#endif
#ifndef HAVE_TIMESPECSUB
#define timespecadd(tsp, usp, vsp) \
do { \
(vsp)->tv_sec = (tsp)->tv_sec + (usp)->tv_sec; \
(vsp)->tv_nsec = (tsp)->tv_nsec + (usp)->tv_nsec; \
if ((vsp)->tv_nsec >= 1000000000L) { \
(vsp)->tv_sec++; \
(vsp)->tv_nsec -= 1000000000L; \
} \
} while (0)
#define timespecsub(tsp, usp, vsp) \
do { \
(vsp)->tv_sec = (tsp)->tv_sec - (usp)->tv_sec; \
(vsp)->tv_nsec = (tsp)->tv_nsec - (usp)->tv_nsec; \
if ((vsp)->tv_nsec < 0) { \
(vsp)->tv_sec--; \
(vsp)->tv_nsec += 1000000000L; \
} \
} while (0)
#define timespeccmp(tsp, usp, cmp) \
(((tsp)->tv_sec == (usp)->tv_sec) ? \
((tsp)->tv_nsec cmp (usp)->tv_nsec) : \
((tsp)->tv_sec cmp (usp)->tv_sec))
#endif
#endif /* _COMPAT_TIME_H */
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