| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | #include <errno.h> | ||
| 2 | #include "time-util.h" | ||
| 3 | #include "numtostr.h" | ||
| 4 | |||
| 5 | 4 | char *timespec_to_str(const struct timespec *ts, char *buf, size_t bufsize) | |
| 6 | { | ||
| 7 |
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4 | if (unlikely(ts->tv_nsec < 0 || ts->tv_nsec >= NS_PER_SECOND)) { |
| 8 | 2 | errno = EINVAL; | |
| 9 | 2 | return NULL; | |
| 10 | } | ||
| 11 | |||
| 12 | 2 | struct tm tm; | |
| 13 |
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2 | if (unlikely(!localtime_r(&ts->tv_sec, &tm))) { |
| 14 | return NULL; | ||
| 15 | } | ||
| 16 | |||
| 17 | // Append date and time | ||
| 18 | 2 | char *ptr = buf; | |
| 19 | 2 | size_t max = bufsize; | |
| 20 | 2 | size_t n = strftime(ptr, max, "%F %T.", &tm); | |
| 21 | 2 | ptr += n; | |
| 22 | 2 | max -= n; | |
| 23 |
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2 | if (unlikely(n == 0 || max < 10)) { |
| 24 | ✗ | errno = ENOBUFS; | |
| 25 | ✗ | return NULL; | |
| 26 | } | ||
| 27 | |||
| 28 | // Append nanoseconds | ||
| 29 | 2 | n = buf_umax_to_str(ts->tv_nsec, ptr); | |
| 30 | 2 | BUG_ON(n == 0 || n > 9); | |
| 31 | 2 | ptr += n; | |
| 32 | 2 | max -= n; | |
| 33 | |||
| 34 | // Append timezone | ||
| 35 | 2 | n = strftime(ptr, max, " %z", &tm); | |
| 36 |
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2 | if (unlikely(n == 0)) { |
| 37 | ✗ | errno = ENOBUFS; | |
| 38 | ✗ | return NULL; | |
| 39 | } | ||
| 40 | |||
| 41 | return buf; | ||
| 42 | } | ||
| 43 |