Re: [PATCH v3 02/35] pkt-line: introduce struct packet_reader

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Hi,

Brandon Williams wrote:

> Sometimes it is advantageous to be able to peek the next packet line
> without consuming it (e.g. to be able to determine the protocol version
> a server is speaking).  In order to do that introduce 'struct
> packet_reader' which is an abstraction around the normal packet reading
> logic.  This enables a caller to be able to peek a single line at a time
> using 'packet_reader_peek()' and having a caller consume a line by
> calling 'packet_reader_read()'.
>
> Signed-off-by: Brandon Williams <bmwill@xxxxxxxxxx>
> ---
>  pkt-line.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  pkt-line.h | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 117 insertions(+)

I like it!

The questions and nits from
https://public-inbox.org/git/20180213004937.GB42272@xxxxxxxxxxxxxxxxxxxxxxxxx/
still apply.  In particular, the ownership of the buffers inside the
'struct packet_reader' is still unclear; could the packet_reader create
its own (strbuf) buffers so that the contract around them (who is allowed
to write to them; who is responsible for freeing them) is more obvious?

Thanks,
Jonathan



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