QFile::atEnd() problem?

[lvi]

I have a problem with QFile::atEnd(). I have the following code (simplified):

while (!partFile->atEnd()) {
	line = partFile->readLine();
	/* Do stuff with "line" */
}

while (!partFile->atEnd()) {
	line = partFile->readLine();
	/* Do stuff with "line" */
}

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This works fine on Linux and on MacOS X. But on Windows, this results in an infinite loop, i.e. atEnd() never returns true. Of course, the file exists and I can read from it.

I have noticed more oddities in QFile across platforms ("\" vs. "/" inconsistincies), but this one is kind of hard to work around...
Any ideas on what causes this and/or how to fix it?