Date: Wed, 17 Dec 2003 08:02:01 -0600 From: "Jacques A. Vidrine" <nectar@FreeBSD.org> To: Alfred Perlstein <bright@mu.org> Cc: cvs-src@FreeBSD.org Subject: Re: cvs commit: src/include fnmatch.h Message-ID: <20031217140201.GB6018@madman.celabo.org> In-Reply-To: <20031217133953.GD60229@elvis.mu.org> References: <200312170256.hBH2uSOn062945@repoman.freebsd.org> <200312170254.hBH2sTJx062816@repoman.freebsd.org> <20031217132252.GA6018@madman.celabo.org> <20031217133953.GD60229@elvis.mu.org>
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On Wed, Dec 17, 2003 at 05:39:53AM -0800, Alfred Perlstein wrote:
> It is still required for standards conformance.
Yes, you are right. The SUSv3 `Implementation Conformance' section does
not indicate that `obsolescent' features need be present, but buried in
the `Rationale for Base Definitions' under `Terminology' is
``The terms "legacy" and "obsolescent" are different: a feature marked
LEGACY is not recommended for new work and need not be present on an
implementation (if the XSI Legacy Option Group is not supported).
__A_feature_noted_as_obsolescent_is_supported_by_all_implementations__,
but may be removed in a future revision; new applications should not
use these features.'' (emphasis added) (quoted for the other curious)
This seems to be the only place in all of SUSv3 to indicate
that `obsolescent' features must be supported by a conforming
implementation. I was under a different impression previously.
> There may be tools out there that expect to "just work" like so
>
> switch (id) {
> ...
> case FNM_NOSYS:
> str = "FNM_NOSYS";
> ...
> }
>
> and those should "just work".
The only reason I brought it up is because the absence of FNM_NOSYS on
BSD for the past decade apparently hasn't been noticed until now (why
now?), seeming to imply that there aren't any such applications.
Cheers,
--
Jacques Vidrine NTT/Verio SME FreeBSD UNIX Heimdal
nectar@celabo.org jvidrine@verio.net nectar@freebsd.org nectar@kth.se
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