Jeff King <p...@peff.net> writes:
> I think they are a direct tradeoff. If you include only the first line,
> then callers who want multiple lines have to keep parsing. If you
> include multiple lines, then callers who care only about the first line
> will have to re-find the newline rather than just using "out_len"
> I suppose you could argue that people who are only expecting one line
> (e.g., "encoding") should just assume that out_len ends at the first
> line. For correctly-formatted commits, that works the same under either
> scheme. For a broken commit where "encoding" _is_ multi-line, one case
> would ignore the continued bits and the other case would return an
> unexpected encoding value with newlines in it. The choice probably
> doesn't matter much in practice.
> Mostly I just punted on it with a comment since I did not plan to add
> any multi-line callers, and I figured we could sort it out then. If you
> feel strongly, it should be pretty easy to check for continuation and
> extend out_len if necessary.
I agree that we do not want to worry too much about the minority
I don't mind returning -1 in out_len and have the callers check.
That way will allow callers to easily diagnose this
unexpected continuation line
as an error; they would just make sure that out_len is not the "this
is continued; you need to parse the rest yourself" value.
Otherwise, the callers need to check value[out_len+1] to see if it
is an SP (value[out_len] must be '\n') to catch the error, I would
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