[Solved] Recv returning zero incorrectly [closed]

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You have a precedence problem. The line should be of the form

if ((this->ReturnValue = recv(..).)) == -1)

At present you’re comparing the result of recv() with -1 and storing the Boolean result of that comparison into ReturnValue.

So recv() isn’t returning zero at all.

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solved Recv returning zero incorrectly [closed]