From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-0.3 required=5.0 tests=BAYES_00, REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,71171f53c22d92b5 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2003-11-12 06:11:26 PST Path: archiver1.google.com!news2.google.com!fu-berlin.de!uni-berlin.de!adsl-213-200-246-247.cybernet.CH!not-for-mail From: Vinzent 'Gadget' Hoefler Newsgroups: comp.lang.ada Subject: Re: C's trikery semantic opens up backdoor in new Linux kernel Date: Wed, 12 Nov 2003 15:09:52 +0100 Organization: JeLlyFish software Message-ID: References: <3FB1A63C.9080200@nowhere.com> Reply-To: v.hoefler@acm.org NNTP-Posting-Host: adsl-213-200-246-247.cybernet.ch (213.200.246.247) Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable X-Trace: news.uni-berlin.de 1068646284 52509509 213.200.246.247 (16 [175126]) X-Newsreader: Forte Agent 1.8/32.548 Xref: archiver1.google.com comp.lang.ada:2419 Date: 2003-11-12T15:09:52+01:00 List-Id: Duncan Sands wrote: >I was under the impression that (using preprocessor trickery) it was = possible >to get the equivalent of an Ada private type in C. Uhuh. Hmm. Quite possible. I've seen a lot of things with the damn preprocessor... ;) > Then everyone is forced >to use function calls to get/set the value, unless they do type casts = etc. >In all cases, abuse would stand out more than it does now. Yes. >> For instance considering the simple rule that in a comparison with a >> >> constant value you should always state the constant first: >> |if ((__WCLONE|__WALL) =3D=3D options) && (0 =3D current->uid)) >> >> wouldn't compile, either. > >No, but do you really think such a style could be enforced in the linux >kernel community? No. And you? Do you really think that the linux kernel community would like the idea of using a *function* to get/set a plain simple integer variable? I already hear them scream: "It would be too inefficient. Especially in a *kernel*!" ;-) >Think of "herding cats". I did. :) Vinzent.