Re: [HACKERS] threads stuff/UnixWare

--On Friday, May 14, 2004 09:41:58 -0400 Tom Lane <tgl@sss.pgh.pa.us> wrote:

> Larry Rosenman <ler@lerctr.org> writes:
>> Reply from SCO:
>
>> Indeed.  For "inf", "infinity", and "nan", but not
>> "nan(digits)", the pointer is left at the trailing
>> matched character instead of the next.
>
>> Moreover, checking our source history, it has been
>> broken this way for nearly 12 years.  Couldn't you
>> folks have noticed this bug a little sooner!?  :-)
>
> Doesn't give one a warm feeling for the average level of error checking
> in Unix programs, does it?

nope....


>
>> I gather from this that it will be fixed in the first maint packs
>> for 7.1.4.
>
> Good.  I'd say we just leave it for that then.
>

Ok, but see below.


>>    Is there some way we can work around this?
>
> I don't want to, because it would compromise the error checking.
> For instance, if we hack the code to accept this behavior, then
> it would also accept "NaNN" as soon as SCO fixes their bug.

Won't this change behaviour for

select 'NaN'::float8

etc such that Applications might fail?


>
> The regression tests exist to discover platform bugs as well as
> Postgres bugs.  In this case, I think having them fail on unpatched
> SCO platforms is exactly what should happen.


>
> If you want, you can send in a docs patch for FAQ_SCO to give
> people a clue about it.

OK. See above comment, etc.


>
>             regards, tom lane
>
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--
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 972-414-9812                 E-Mail: ler@lerctr.org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749