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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
parent f647b5a97f
commit 2fa6a7f6f5
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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)