| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #ifndef UTIL_TIME_UTIL_H | ||
| 2 | #define UTIL_TIME_UTIL_H | ||
| 3 | |||
| 4 | #include <stdbool.h> | ||
| 5 | #include <stddef.h> | ||
| 6 | #include <sys/stat.h> | ||
| 7 | #include <time.h> | ||
| 8 | #include "debug.h" | ||
| 9 | #include "macros.h" | ||
| 10 | |||
| 11 | #define TIME_STR_BUFSIZE (64) // sizeof("292271025015-12-01 23:59:00.999999999 +0400") | ||
| 12 | #define NS_PER_SECOND (1000000000L) | ||
| 13 | #define MS_PER_SECOND (1000L) | ||
| 14 | #define NS_PER_MS (1000000L) | ||
| 15 | #define US_PER_MS (1000L) | ||
| 16 | |||
| 17 | 48 | static inline const struct timespec *get_stat_mtime(const struct stat *st) | |
| 18 | { | ||
| 19 | #if !defined(__APPLE__) | ||
| 20 | // https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_stat.h.html#tag_13_61_03:~:text=struct%20timespec%20st_mtim | ||
| 21 | 48 | return &st->st_mtim; | |
| 22 | #else | ||
| 23 | // macOS doesn't conform to POSIX 2008 and uses its own, platform-specific | ||
| 24 | // naming for the `struct stat` timespec member | ||
| 25 | return &st->st_mtimespec; | ||
| 26 | #endif | ||
| 27 | } | ||
| 28 | |||
| 29 | 210 | static inline struct timespec timespec_subtract ( | |
| 30 | const struct timespec *lhs, | ||
| 31 | const struct timespec *rhs | ||
| 32 | ) { | ||
| 33 | 210 | BUG_ON(lhs->tv_nsec >= NS_PER_SECOND); | |
| 34 | 210 | BUG_ON(rhs->tv_nsec >= NS_PER_SECOND); | |
| 35 | 210 | time_t sec = lhs->tv_sec - rhs->tv_sec; | |
| 36 | 210 | long nsec = lhs->tv_nsec - rhs->tv_nsec; | |
| 37 | 420 | return (struct timespec) { | |
| 38 | 210 | .tv_sec = sec - (nsec < 0), | |
| 39 |
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210 | .tv_nsec = nsec + (nsec < 0 ? NS_PER_SECOND : 0), |
| 40 | }; | ||
| 41 | } | ||
| 42 | |||
| 43 | 1 | static inline bool timespecs_equal(const struct timespec *a, const struct timespec *b) | |
| 44 | { | ||
| 45 |
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1 | return a->tv_sec == b->tv_sec && a->tv_nsec == b->tv_nsec; |
| 46 | } | ||
| 47 | |||
| 48 | char *timespec_to_str(const struct timespec *ts, char buf[TIME_STR_BUFSIZE]) NONNULL_ARGS WARN_UNUSED_RESULT; | ||
| 49 | |||
| 50 | #endif | ||
| 51 |