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Date:      Mon, 22 Jan 2001 09:32:18 -0600
From:      "Jacques A. Vidrine" <n@nectar.com>
To:        Daniel Eischen <eischen@vigrid.com>
Cc:        Warner Losh <imp@harmony.village.org>, arch@FreeBSD.ORG
Subject:   Re: Request For Review: libc/libc_r changes to allow -lc_r
Message-ID:  <20010122093218.C93103@hamlet.nectar.com>
In-Reply-To: <Pine.SUN.3.91.1010121145246.3245A-100000@pcnet1.pcnet.com>; from eischen@vigrid.com on Sun, Jan 21, 2001 at 03:04:43PM -0500
References:  <200101211927.f0LJRU901079@harmony.village.org> <Pine.SUN.3.91.1010121145246.3245A-100000@pcnet1.pcnet.com>

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On Sun, Jan 21, 2001 at 03:04:43PM -0500, Daniel Eischen wrote:
> On Sun, 21 Jan 2001, Warner Losh wrote:
> > In message <Pine.SUN.3.91.1010120171614.8403A-100000@pcnet1.pcnet.com> Daniel Eischen writes:
> > : > By the way, should it be __thread_sys_foo and __foo?  Two underscores?
> > : > ISTR some rule about using a single leading underscore for file scope
> > : > (e.g. macros) and two for global scope.
> > : 
> > : I don't recall that, but anything for file scope that isn't a macro
> > : can be static and not use the underscores.  Macros are usually upper
> > : case anyways.
> > 
> > ANSI C reserves _[A-Z]* and __[a-zA-Z] to the implementation space.
> > That leaves _[a-z] to the user name space, so Jacques is right about
> > that.
> 
> Well, we don't seem to be following that right now, but I'll adhere to
> that in anything I add. So how about instead of using _thread_sys_foo,
> we use __sys_foo:
> 
> 	__sys_foo - actual system call
> 	_foo - weak definition to __sys_foo
> 	foo - weak definition to __sys_foo

Sounds good to me.  __sys_foo is off-limits to the application.  _foo
will be file-scope only (no external linkage).

Thanks!
-- 
Jacques Vidrine / n@nectar.com / jvidrine@verio.net / nectar@FreeBSD.org


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