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Avoid inefficient behavior

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Since the class needs to be copy-constructible, there may be many
copies of an instance. So instead of writing to the device on every
destructor call, only flush buffer on the last destructor call.
This commit is contained in:
Chocobo1 2020-04-06 00:57:20 +08:00 committed by sledgehammer999
parent 4142722303
commit 7b0b5e3d7f
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1 changed files with 5 additions and 3 deletions
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8
src/base/utils/io.cpp
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@ -41,9 +41,11 @@ Utils::IO::FileDeviceOutputIterator::FileDeviceOutputIterator(QFileDevice &devic
Utils::IO::FileDeviceOutputIterator::~FileDeviceOutputIterator()
{
if (m_device->error() == QFileDevice::NoError)
m_device->write(*m_buffer);
m_buffer->clear();
if (m_buffer.use_count() == 1) {
if (m_device->error() == QFileDevice::NoError)
m_device->write(*m_buffer);
m_buffer->clear();
}
}
Utils::IO::FileDeviceOutputIterator &Utils::IO::FileDeviceOutputIterator::operator=(const char c)