Subject: Re: nested extern declarations considered evil?
To: None <firstname.lastname@example.org>
From: Christos Zoulas <email@example.com>
Date: 12/10/2000 22:01:53
In article <200012101911.OAA14527@dragon.tools.gtei.net>,
>This sounds good as far as the clean code perspective comes into play.
>Any idea how much code will barf by adding the new options in?
Probably a lot. I started cleaning up libc, and I stopped to get some
opinions after I committed fixes to ~10 files.
>I've been bitten in the past on systems with missing declarations so that's
>definitly something we should be catching.
>Aren't redudant decls required in cases where some standards say you must
>be able to only include X.h and it won't have any side effects through
>include/reincluding other headers? i.e. the mutual independece part of the
>ANSI C spec for instance.
Yes, but we don't need to declare things twice. As I mentioned in my message
we can avoid duplicate declarations by using cpp variables.