Horton

Re: COPY FROM is not 8bit clean

Bruce Momjian <pgman@candle.pha.pa.us>

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From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Darcy Buskermolen <darcy@ok-connect.com>, Tatsuo Ishii <t-ishii@sra.co.jp>, pgsql-bugs@postgresql.org, pgsql-hackers@postgresql.org
Date: 2002-02-27T03:09:32Z
Lists: pgsql-bugs, pgsql-hackers 
Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.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.

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