mirror of https://github.com/djcb/mu.git
lib/store: improve dirstamp / set_dirstamp code
Modernize.
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@ -547,27 +547,29 @@ Store::move_message(Store::Id id,
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time_t
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Store::dirstamp(const std::string& path) const
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{
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constexpr auto epoch = static_cast<time_t>(0);
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const auto ts{xapian_db().metadata(path)};
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if (ts.empty())
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return epoch;
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else
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return static_cast<time_t>(strtoll(ts.c_str(), NULL, 16));
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std::string ts;
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{
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std::unique_lock lock{priv_->lock_};
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ts = xapian_db().metadata(path);
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}
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return ts.empty() ? 0 /*epoch*/ : ::strtoll(ts.c_str(), {}, 16);
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}
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void
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Store::set_dirstamp(const std::string& path, time_t tstamp)
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{
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std::array<char, 2 * sizeof(tstamp) + 1> data{};
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const auto len = static_cast<size_t>(
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g_snprintf(data.data(), data.size(), "%zx", tstamp));
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std::unique_lock lock{priv_->lock_};
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xapian_db().set_metadata(path, std::string{data.data(), len});
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xapian_db().set_metadata(path, mu_format("{:x}", tstamp));
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}
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bool
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Store::contains_message(const std::string& path) const
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{
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std::unique_lock lock{priv_->lock_};
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return xapian_db().term_exists(field_from_id(Field::Id::Path).xapian_term(path));
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}
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