Hello everybody,
we discovered a potential memory leak with an (admittedly somewhat
unusual) use of QXmlStreamReader.
Before reporting this as a bug, I wanted to get some opinions on whether
this really is a bug or if we're just mis-using the interface.
I've appended a code snippet that triggers the bug. Note that this runs
a tight loop, so you might want to at a sleep() somewhere to avoid
stalling your machine.
When run, the virtual image size of the program quickly increases.
Qt version is 4.8.1 as currently provided by ubuntu for the "precise"
release (4.8.1-0ubuntu4.2), platform is 32 bit Ubuntu 12.04.
#include <QString>
#include <QXmlStreamReader>
int main()
{
const QString xml = "<test><foo>bar</foo><bazz>frobozz</bazz></test>";
QXmlStreamReader stream;
while (true)
{
stream.clear();
stream.addData(xml);
while (stream.readNextStartElement())
{
// NOP
}
}
return 0;
}
--
Mit freundlichen Gruessen / Best regards
Marc Schmitzer
SW-Entwicklung ESWL / ESWT
Software development ESWL / ESWT
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