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Don't error on min time_point

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This commit is contained in:
Victor Zverovich 2024-02-10 17:31:01 -08:00
parent 91b30e5b4e
commit 8e42eef495
1 changed files with 17 additions and 18 deletions
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35
include/fmt/chrono.h
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@ -2155,27 +2155,26 @@ struct formatter<std::chrono::time_point<std::chrono::system_clock, Duration>,
template <typename FormatContext>
auto format(std::chrono::time_point<std::chrono::system_clock, Duration> val,
FormatContext& ctx) const -> decltype(ctx.out()) {
std::tm tm = gmtime(val);
using period = typename Duration::period;
if (detail::const_check(
period::num != 1 || period::den != 1 ||
std::is_floating_point<typename Duration::rep>::value)) {
const auto epoch = val.time_since_epoch();
auto subsecs = detail::fmt_duration_cast<Duration>(
epoch - detail::fmt_duration_cast<std::chrono::seconds>(epoch));
if (subsecs.count() < 0) {
auto second =
detail::fmt_duration_cast<Duration>(std::chrono::seconds(1));
if (epoch.count() < ((Duration::min)() + second).count())
FMT_THROW(format_error("duration is too small"));
subsecs += second;
val -= second;
}
return formatter<std::tm, Char>::do_format(gmtime(val), ctx, &subsecs);
period::num == 1 && period::den == 1 &&
!std::is_floating_point<typename Duration::rep>::value)) {
return formatter<std::tm, Char>::format(tm, ctx);
}
return formatter<std::tm, Char>::format(gmtime(val), ctx);
Duration epoch = val.time_since_epoch();
Duration subsecs = detail::fmt_duration_cast<Duration>(
epoch - detail::fmt_duration_cast<std::chrono::seconds>(epoch));
if (subsecs.count() < 0) {
auto second =
detail::fmt_duration_cast<Duration>(std::chrono::seconds(1));
if (tm.tm_sec != 0)
--tm.tm_sec;
else
tm = gmtime(val - second);
subsecs += detail::fmt_duration_cast<Duration>(std::chrono::seconds(1));
}
return formatter<std::tm, Char>::do_format(tm, ctx, &subsecs);
}
};