Are you checking the result for write() before you do a flush()? Also, I think that if you try to write zero bytes, it'll give the same error message (ie, you didn't check the result for read() )

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Okay, so I've been gone a while - but hey, meanwhile online translators have gotten better:

Ce n'est pas ma faute. Blâmer vous-même.

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Ne me blâmez pas. Blâment votre individu.