WiFiClient::operator bool() always returns true

Technical Discussion Arduino SDK
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when server.available() returns WiFiClient(-1). _sock variable will be 255.
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and 255 >= 0 always returns true

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Yes.
“return _sock >=0;” is to check is there is a sock.

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but if there is no connection. it still returns true. because uint8_t (uint8_t _sock) cannot be less than 0.

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Hi @bigtiger0905, thanks for your feedback. Can you help to test if this fix is sufficient for your use case?

Thank you.

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