On Mon, Feb 18, 2013 at 02:43:50AM -0800, Jonathan Nieder wrote:
> Jeff King wrote:
>
> > The packet_read function reads from a descriptor.
>
> Ah, so this introduces a new analagous helper that reads from
> a strbuf, to avoid the copy-from-async-procedure hack?
Not from a strbuf, but basically, yes.
> > + ret = read_in_full(fd, dst, size);
> > + if (ret < 0)
> > + die_errno("read error");
>
> This is noisy about upstream pipe gone missing, which makes sense
> since this is transport-related. Maybe that deserves a comment.
That is not new code; it is just reindented from the original safe_read.
But is it noisy about a missing pipe? We do not get EPIPE for reading.
We should just get a short read or EOF, both of which is handled later.
> > + len = packet_read_from_buf(line, sizeof(line), &last->buf,
> > &last->len);
> > + if (len && line[len - 1] == '\n')
> > + len--;
>
> Was anything guaranteeing that buffer.len < 1000 before this change?
No. That's discussed in point (3) of the "implications" in the commit
message.
-Peff
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