| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Darcy Buskermolen <darcy(at)ok-connect(dot)com>, Tatsuo Ishii <t-ishii(at)sra(dot)co(dot)jp>, pgsql-bugs(at)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: COPY FROM is not 8bit clean |
| Date: | 2002-02-27 03:09:32 |
| Message-ID: | 200202270309.g1R39Wp03556@candle.pha.pa.us |
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| Lists: | pgsql-bugs pgsql-hackers |
Tom Lane wrote:
> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Can someone explain why this fixes the problem.
>
> Think about a machine where char is signed by default. Extracting \254
> into an int will produce -2, which will not equal \254 returned by getc.
Oh, I thought that the int returned by getc already had that sign
extension, but now I remember it doesn't. In fact, it specifically
returns an int so -1 can be identified. Got it. Seems I am forgetting
some of my C.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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