From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,HTML_MESSAGE,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 18072 invoked from network); 5 Jul 2021 03:00:18 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 5 Jul 2021 03:00:18 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id C75379CA3F; Mon, 5 Jul 2021 13:00:14 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 72FD39C9F1; Mon, 5 Jul 2021 12:59:35 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="j2aiyszn"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 537AC9C9F1; Mon, 5 Jul 2021 12:59:34 +1000 (AEST) Received: from mail-oo1-f52.google.com (mail-oo1-f52.google.com [209.85.161.52]) by minnie.tuhs.org (Postfix) with ESMTPS id C17599C9F0 for ; Mon, 5 Jul 2021 12:59:33 +1000 (AEST) Received: by mail-oo1-f52.google.com with SMTP id d1-20020a4ad3410000b029024c4d2ea72aso4137789oos.4 for ; Sun, 04 Jul 2021 19:59:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=afcTqZpCLxVdIhvnGeInk5wTVpERx3enyKjiHbZ0fuQ=; b=j2aiysznYX1QN65ocsHNp/tz2NfoKNll3Ba9LWTzsVOtZaI0tI3sZlRszb+/K6rKZd JujgzfesbEQW+FZwvmgg3JZzYdxQfT6bNUzHE0Wv5T8ekdO+Jn6iNBh92jar9Z6+TpmZ 0DJC8Ox6GYtKiFpBig9iS8Oxe8H1MtDsKR74JfqmVdI9sP73Hqm4hCp5JOk2/hO277v+ 9GPX61YyoJddKolOd/8s8YVWBmtHcvYYFigo47IG9Pj1jwXl8wob4bUmFY6rNegDyLaE AGg0080iHCvQ46ndDIPmGH4q7yvMsUFThA8ECdP/MWCs5jDsEU89NF4Bvm9Zwh/qaXxx ww/A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=afcTqZpCLxVdIhvnGeInk5wTVpERx3enyKjiHbZ0fuQ=; b=fSiL0FvUJQk6nQlod3wcAu1zVpvBidiuZaJOgyS0eRk9LQ038+RHhcipeWu37+9hg6 xsydJfw+XxyzuLTjgmpEM/hoyh7Wr6+A7BZBSN438B5AYRwgwPnYXJl3eBuQXth2/kx8 rpdR/CwT7wPdL1Dsb3kSo+nfwuO26b5YVdOgQh6KVHutElkVraE4+UmamjpCOJJR7NY8 96JMA8/vqDrkFvwgplrbSCHlXqg2yupTS1ullEC7sbJIs8jVlH29zmPA6FO4WmnNhHeX ALRlLf0mbVWdSEoiHy6j04HskqqvcRr0IMmsz+7bkeSaPPqgg9PXMdBbNaDUpd6l0MqM KMLA== X-Gm-Message-State: AOAM530xVtYAHxweF6HwlLIsp8uBafggxzjsIhsOmX/MHzpn1r0JwSBj kHjczpfvYNT8j3GkyJysCGcbJFVPdJOAQFhAefLpt1rCNpI= X-Google-Smtp-Source: ABdhPJxkoCtcoWS5jEzzS+/lEPw5QR/QOf7Tp6WUeFSomA86VVhXxPPuPZvw2+abBhnPzYrNy0znsszFEIL31PobXNo= X-Received: by 2002:a4a:9fc1:: with SMTP id b1mr8589701oom.51.1625453973061; Sun, 04 Jul 2021 19:59:33 -0700 (PDT) MIME-Version: 1.0 References: <20210702213648.GW817@mcvoy.com> <20210705002119.GL817@mcvoy.com> In-Reply-To: From: Richard Salz Date: Sun, 4 Jul 2021 22:59:22 -0400 Message-ID: To: John Cowan Content-Type: multipart/alternative; boundary="000000000000a9c2e405c6577e25" Subject: Re: [TUHS] Is C obsolete? (was Re: [tuhs] The Unix shell: a 50-year view) X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: The Unix Heritage Society mailing list Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --000000000000a9c2e405c6577e25 Content-Type: text/plain; charset="UTF-8" > Are you really sure that all the C code the two of you have written in > your careers carefully avoids all 191 kinds of undefined behavior in C99 > (the number has grown since then)? Give me leave to doubt it. > > Consider this example from an earlier version of the Linux kernel: > > static void __devexit agnx_pci_remove (struct pci_dev *pdev) > Bogus argument. The Linux kernel is free to rely on specific compiler behavior. --000000000000a9c2e405c6577e25 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Are yo= u really sure that all the C code the two of you have written in your caree= rs carefully avoids all 191 kinds of undefined behavior in=C2=A0C99 (the nu= mber has grown since then)?=C2=A0 Give me leave to doubt it.=C2=A0
=
Consider this example from an earlier version of the Linux kern= el:

static void __devexit agnx_pci_remove (struct pci_de= v *pdev)

Bogus argument.= =C2=A0 The Linux kernel is free to rely on specific compiler behavior.

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