jonroach
11 Sep 2025 14:44
1 contributor
| 1 | #include <time.h> |
| 2 | |
| 3 | static inline bool timespec_lt(struct timespec a, struct timespec b){ |
| 4 | return a.tv_sec < b.tv_sec || (a.tv_sec == b.tv_sec && a.tv_nsec < b.tv_nsec); |
| 5 | } |
| 6 | |
| 7 | static inline bool timespec_lte(struct timespec a, struct timespec b){ |
| 8 | return a.tv_sec < b.tv_sec || (a.tv_sec == b.tv_sec && a.tv_nsec <= b.tv_nsec); |
| 9 | } |
| 10 | |
| 11 | static inline bool timespec_eq(struct timespec a, struct timespec b){ |
| 12 | return a.tv_sec == b.tv_sec && a.tv_nsec == b.tv_nsec; |
| 13 | } |
| 14 | |
| 15 | static inline bool timespec_gt(struct timespec a, struct timespec b){ |
| 16 | return timespec_lt(b, a); |
| 17 | } |
| 18 | |
| 19 | static inline struct timespec timespec_sub(struct timespec a, struct timespec b){ |
| 20 | struct timespec r; |
| 21 | if (a.tv_nsec < b.tv_nsec){ |
| 22 | r.tv_nsec = 1000000000 + a.tv_nsec - b.tv_nsec; |
| 23 | r.tv_sec = a.tv_sec - b.tv_sec - 1; |
| 24 | } else { |
| 25 | r.tv_nsec = a.tv_nsec - b.tv_nsec; |
| 26 | r.tv_sec = a.tv_sec - b.tv_sec; |
| 27 | } |
| 28 | return r; |
| 29 | } |
| 30 | |
| 31 | static inline bool timespec_gte(struct timespec a, struct timespec b){ |
| 32 | return timespec_lte(b, a); |
| 33 | } |
| 34 | |
| 35 | static inline bool timespec_ne(struct timespec a, struct timespec b){ |
| 36 | return !timespec_eq(a, b); |
| 37 | } |
| 38 |