Re: [C source] Inconsistent comments on preprocessor conditionals

[Po Lu]

Akib Azmain Turja <akib@disroot.org> writes:

> In some parts of the C source, preprocessor conditionals are commented
> like the following:
>
> #ifdef FOO
> ...
> #else /* not FOO */
> ...
> #endif /* FOO */
>
>
> I became confused at the first glance.  But after seeing like the
> following in some other part:
>
> #ifdef FOO
> ...
> #else /* not FOO */
> ...
> #endif /* not FOO */
>
> I became even more confused.  Why it's inconsistent?  And what should I
> do when adding new conditional blocks?  Should I follow the GNU coding
> standards (the second one)?

They are optional, I think.  I personally only write such comments when
the code inside the conditional extends so long that what is inside the
conditional is not immediately obvious.