Re: warning in code while building on windows

Andrew Dunstan escribió:
>
> On 08/18/2013 05:08 PM, Alvaro Herrera wrote:
> >Amit Kapila escribió:
> >>1>.\src\backend\utils\cache\relfilenodemap.c(213) : warning C4101:
> >>'isnull' : unreferenced local variable
> >>
> >>It seems this variable is used only under macro USE_ASSERT_CHECKING,
> >>so it is better to declare under this macro only.
> >We have a macro for this, PG_USED_FOR_ASSERTS_ONLY. This should silence
> >it; if the msvc stuff is not picking it up then maybe we need to tweak
> >the definition of the macro somehow.
>
> The macro is pretty gcc-specific, isn't it?
>
> For MSVC we would probably need to surround the declaration with
> something like these lines.
>
> #pragma warning(disable:4101)
> #pragma warning(default:4101)

That seems pretty difficult to do with the position we've chosen for the
macro.

--
Álvaro Herrera http://www.2ndQuadrant.com/
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