| 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[TIME_STR_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 | size_t i = strftime(buf, TIME_STR_BUFSIZE, "%F %T.", &tm); | |
| 19 | 2 | bool overflow = TIME_STR_BUFSIZE < i + sizeof("123456789 +0600"); | |
| 20 |
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2 | if (unlikely(i == 0 || overflow)) { |
| 21 | ✗ | errno = overflow ? ERANGE : errno; | |
| 22 | ✗ | return NULL; | |
| 23 | } | ||
| 24 | |||
| 25 | // Append nanoseconds | ||
| 26 | 2 | i += buf_umax_to_str(ts->tv_nsec, buf + i); | |
| 27 | |||
| 28 | // Append timezone | ||
| 29 | 2 | size_t zlen = strftime(buf + i, TIME_STR_BUFSIZE - i, " %z", &tm); | |
| 30 |
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2 | return likely(zlen) ? buf : NULL; |
| 31 | } | ||
| 32 |