From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Delivered-To: caml-list@yquem.inria.fr Received: from nez-perce.inria.fr (nez-perce.inria.fr [192.93.2.78]) by yquem.inria.fr (Postfix) with ESMTP id 15672BC51 for ; Mon, 29 Nov 2004 01:07:02 +0100 (CET) Received: from pauillac.inria.fr (pauillac.inria.fr [128.93.11.35]) by nez-perce.inria.fr (8.13.0/8.13.0) with ESMTP id iAT071PQ011435 for ; Mon, 29 Nov 2004 01:07:01 +0100 Received: from concorde.inria.fr (concorde.inria.fr [192.93.2.39]) by pauillac.inria.fr (8.7.6/8.7.3) with ESMTP id BAA03342 for ; Mon, 29 Nov 2004 01:07:01 +0100 (MET) Received: from disorder.primate.net (disorder.primate.net [198.144.194.12]) by concorde.inria.fr (8.13.0/8.13.0) with ESMTP id iAT06wjp029743 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=FAIL) for ; Mon, 29 Nov 2004 01:07:00 +0100 Received: from disorder.primate.net (localhost [127.0.0.1]) by disorder.primate.net (8.13.1/8.13.1/Debian-17) with ESMTP id iAT06vvn008722 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT) for ; Sun, 28 Nov 2004 16:06:57 -0800 Received: from localhost (localhost [[UNIX: localhost]]) by disorder.primate.net (8.13.1/8.13.1/Submit) id iAT06viv008720 for caml-list@inria.fr; Sun, 28 Nov 2004 16:06:57 -0800 X-Authentication-Warning: disorder.primate.net: itz set sender to itz@buug.org using -f Received: from itz by unicorn with local (Exim 3.36 #1 (Debian)) id 1CYZ4C-0000Vr-00 for ; Sun, 28 Nov 2004 16:06:56 -0800 To: caml-list@inria.fr Subject: stat in Unix library From: Ian Zimmerman Date: 28 Nov 2004 16:06:56 -0800 Message-ID: <87y8glecwv.fsf@buug.org> User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: Ian Zimmerman X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-1.5.3 (disorder.primate.net [127.0.0.1]); Sun, 28 Nov 2004 16:06:58 -0800 (PST) X-Miltered: at nez-perce with ID 41AA6825.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Miltered: at concorde with ID 41AA6823.000 by Joe's j-chkmail (http://j-chkmail.ensmp.fr)! X-Spam: no; 0.00; zimmerman:01 itz:01 struct:01 kernels:01 ocaml:01 unnamed:98 unix:01 unix:01 define:01 dev:01 dev:01 defined:01 int:01 functional:02 ian:03 X-Spam-Checker-Version: SpamAssassin 3.0.0 (2004-09-13) on yquem.inria.fr X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=disabled version=3.0.0 X-Spam-Level: I am looking at the 3.08 source and something about the code for stat doesn't seem right. The st_dev member of type Unix.stats is declared as int. But according to the Single Unix spec, the corresponding member of the C struct has a defined type, dev_t; and in fact recent Linux kernels define dev_t to a 64 bit type, even on 32 bit architectures. So it looks like the Ocaml function will lose the high order bits. I came across this as I was trying to write a Unix interface for another (unnamed) functional language :) -- "It's not true or not." A reality show producer (real quote)