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LibCore: Allow moving, but not copying, DirIterator

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An explicit move constructor is required to null-out the moved-from
directory descriptor. Otherwise, we would call closedir() twice when
using ErrorOr<DirIterator>::release_value().
This commit is contained in:
Timothy Flynn 2021-11-23 11:37:14 -05:00 • committed by Andreas Kling
parent 55e0b91d8d
commit 7f780e43a6
2 changed files with 13 additions and 0 deletions
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10
Userland/Libraries/LibCore/DirIterator.cpp
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@ -29,6 +29,16 @@ DirIterator::~DirIterator()
}
}
DirIterator::DirIterator(DirIterator&& other)
: m_dir(other.m_dir)
, m_error(other.m_error)
, m_next(move(other.m_next))
, m_path(move(other.m_path))
, m_flags(other.m_flags)
{
other.m_dir = nullptr;
}
bool DirIterator::advance_next()
{
if (!m_dir)