e5894dccea
version(5) says: If the server does not understand the client's version string, it should respond with an Rversion message (not Rerror) with the version string the 7 characters ``unknown''. Pre-lib9p file servers -- all except cwfs(4) -- do return Rerror. lib9p(2) follows the above spec, although ignoring the next part concerning comparison after period-stripping. It assumes an Fcall.version starting with "9P" is correctly formed and returns the only supported version of the protocol, which seems alright. This patch brings pre-lib9p servers in accordance with the spec. |
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