Prevent infinite loop in main #356
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In contexts with no usable `stdin` (for instance, PSRemoting), the prompt would loop forever. This patch checks the return value of `fgetws` and breaks if it indicates an error in reading.
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In contexts with no usable
stdin(for instance, PSRemoting), the prompt would loop forever. This patch checks the return value offgetwsand breaks if it indicates an error in reading.