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lib/store: improve dirstamp / set_dirstamp code 

Modernize.
This commit is contained in:
Dirk-Jan C. Binnema 2023-07-11 22:52:59 +03:00
parent 545494225a
commit 99a0eaaa76
1 changed files with 12 additions and 10 deletions
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22
lib/mu-store.cc
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@ -547,27 +547,29 @@ Store::move_message(Store::Id id,
time_t
Store::dirstamp(const std::string& path) const
{
constexpr auto epoch = static_cast<time_t>(0);
const auto ts{xapian_db().metadata(path)};
if (ts.empty())
return epoch;
else
return static_cast<time_t>(strtoll(ts.c_str(), NULL, 16));
std::string ts;
{
std::unique_lock lock{priv_->lock_};
ts = xapian_db().metadata(path);
}
return ts.empty() ? 0 /*epoch*/ : ::strtoll(ts.c_str(), {}, 16);
}
void
Store::set_dirstamp(const std::string& path, time_t tstamp)
{
std::array<char, 2 * sizeof(tstamp) + 1> data{};
const auto len = static_cast<size_t>(
g_snprintf(data.data(), data.size(), "%zx", tstamp));
std::unique_lock lock{priv_->lock_};
xapian_db().set_metadata(path, std::string{data.data(), len});
xapian_db().set_metadata(path, mu_format("{:x}", tstamp));
}
bool
Store::contains_message(const std::string& path) const
{
std::unique_lock lock{priv_->lock_};
return xapian_db().term_exists(field_from_id(Field::Id::Path).xapian_term(path));
}