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util/time: add timespec_to_nsec()

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This commit is contained in:
Simon Ser 2022-10-04 12:11:36 +02:00
parent c38c080742
commit 293d78777d
2 changed files with 9 additions and 0 deletions
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5
include/util/time.h
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@ -13,6 +13,11 @@ uint32_t get_current_time_msec(void);
*/
int64_t timespec_to_msec(const struct timespec *a);
/**
* Convert a timespec to nanoseconds.
*/
int64_t timespec_to_nsec(const struct timespec *t);
/**
* Convert nanoseconds to a timespec.
*/

4
util/time.c
View file

@ -10,6 +10,10 @@ int64_t timespec_to_msec(const struct timespec *a) {
return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
}
int64_t timespec_to_nsec(const struct timespec *t) {
return (int64_t)t->tv_sec * NSEC_PER_SEC + t->tv_nsec;
}
void timespec_from_nsec(struct timespec *r, int64_t nsec) {
r->tv_sec = nsec / NSEC_PER_SEC;
r->tv_nsec = nsec % NSEC_PER_SEC;