From: | Doug McNaught <doug(at)wireboard(dot)com> |
---|---|
To: | pgsql-hackers(at)postgresql(dot)org |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Some architectures need "signed char" declarations |
Date: | 2002-01-09 20:03:54 |
Message-ID: | m3wuyr70lx.fsf@varsoon.denali.to |
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Thread: | |
Lists: | pgsql-hackers |
Doug Royer <Doug(at)royer(dot)com> writes:
> I deleted the original post, but I think the issue was signed
> versus unsigned comparisons. I think he was saying the
> variable should be explicitly declared as 'signed int'
> (or signed char) and not 'int' (or char) because EOF is (-1).
>
> unsigned int foo;
>
> if (foo == -1) ... causes a warning (or errors)
> on many compilers.
>
> And if the default for int or char is unsigned as it can
> be on some systems, the code does exactly that.
>
> Perhaps he is just wanted to reduce the build time noise?
>
> Apologies if this was not on point.
The point is that this is potentially buggy code.
-Doug
--
Let us cross over the river, and rest under the shade of the trees.
--T. J. Jackson, 1863
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