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Handle subsecond time before epoch start correctly

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Filip Brcic 2021-05-18 21:59:52 +02:00
parent e41100ccae
commit 7a33f5e783
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GPG Key ID: 15FB92681DE569DA
1 changed files with 4 additions and 2 deletions
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6
include/fmt/chrono.h
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@ -414,10 +414,12 @@ struct formatter<std::chrono::time_point<std::chrono::system_clock, std::chrono:
std::tm time = localtime(val);
auto epoch = val.time_since_epoch();
auto seconds = std::chrono::duration_cast<std::chrono::seconds>(epoch);
// auto subseconds = abs(std::chrono::duration_cast<std::chrono::duration<Rep, Period>>(epoch - seconds));
auto subseconds = std::chrono::duration_cast<std::chrono::duration<Rep, Period>>(epoch - seconds);
if (subseconds < subseconds.zero()) subseconds = -subseconds;
if (subseconds < subseconds.zero()) {
time = localtime(val - std::chrono::seconds{1});
subseconds = std::chrono::seconds{1} + subseconds;
}
if (subseconds.count() > 0) {
auto width = std::to_string(Period::den).size() - 1;