Date: Mon, 09 Dec 2002 10:26:49 -0700 (MST) From: "M. Warner Losh" <imp@bsdimp.com> To: marc@informatik.uni-bremen.de Cc: mike@FreeBSD.ORG, freebsd-current@FreeBSD.ORG Subject: Re: sys/file.h and POSIX Message-ID: <20021209.102649.81146459.imp@bsdimp.com> In-Reply-To: <659000000.1039368696@leeloo.intern.geht.de> References: <619340000.1039364545@leeloo.intern.geht.de> <20021208114718.G74206@espresso.q9media.com> <659000000.1039368696@leeloo.intern.geht.de>
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In message: <659000000.1039368696@leeloo.intern.geht.de>
Marc Recht <marc@informatik.uni-bremen.de> writes:
: > A conforming application cannot make use of facilities outside the
: > scope of the standard. This means that if you define
: > _POSIX_C_SOURCE=200112L you don't want RPC.
: I don't said that the application is _strictly_ POSIX conforming. It only
: wants to use POSIX functions and RPC.
: FreeBSD's way seems to be not to define POSIX/XSI (and so) on to
: _indirectly_ get it and the BSD stuff
That's right. We take great care to exclude all namespace pollution
when you ask for a specific standard.
: Another idea would be to make a WANT_STRICT_POSIX.
WANT_STRICT_POSIX is namespace pollution.
: > Not really. Conforming applications have no trouble (obviously),
: > pseudo-conforming applications only need a little work (removing bogus
: > POSIX keywords that specify conformance), and non-conforming BSD
: > applications (the majority of software) have no problems.
: I had this in mind.
: http://www.opengroup.org/onlinepubs/007904975/basedefs/xbd_chap02.html:
:
: A conforming implementation shall meet all of the following criteria:
: [...]
: 4. The system may provide additional utilities, functions, or facilities
: not required by IEEE Std 1003.1-2001.
may != MUST. We do not pollute the name space. Providing additional
facilities pollutes the name space, breaking strictly conforming
programs.
Warner
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