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Report an error on overflow

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This commit is contained in:
Victor Zverovich
2023-01-18 11:16:48 +13:00
parent dfbb952b2c
commit 240b728d81
1 changed files with 5 additions and 2 deletions
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7
include/fmt/chrono.h
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@ -2109,8 +2109,11 @@ struct formatter<std::chrono::time_point<std::chrono::system_clock, Duration>,
epoch - std::chrono::duration_cast<std::chrono::seconds>(epoch));
if (subsecs.count() < 0) {
subsecs += std::chrono::seconds(1);
val -= std::chrono::seconds(1);
auto second = 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(