Path: csiph.com!optima2.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!1.eu.feeder.erje.net!eternal-september.org!feeder.eternal-september.org!mx02.eternal-september.org!.POSTED!not-for-mail From: Keith Thompson Newsgroups: comp.lang.c Subject: Re: SQL filesortcc question Date: Wed, 29 Jul 2015 23:45:00 -0700 Organization: None to speak of Lines: 26 Message-ID: References: <55A6CD57.5090905@verizon.net> <55B8FC02.8090800@verizon.net> <871tfq60jm.fsf@bsb.me.uk> <87pp3a4ghd.fsf@bsb.me.uk> <3f47e845-9b8c-40b4-b717-e15ecde17969@googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Injection-Info: mx02.eternal-september.org; posting-host="945944de09706c9b4e29b53c9d2efdc2"; logging-data="30336"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/pvdeVfVxxaykirB8TQwlV" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) Cancel-Lock: sha1:JstreJjTKZZI84AcEWvnuy3HX3Q= sha1:PHlr6NmPoLlqscLD7U0txGajSn0= Xref: csiph.com comp.lang.c:66551 Malcolm McLean writes: > On Thursday, July 30, 2015 at 1:49:33 AM UTC+1, Ben Bacarisse wrote: >> Yes, I get that, but in what way does, say, the presence of type-generic >> maths functions in C99 impact on your goal of having anyone compile your >> code? You are against making changes to C, but all the reasoning seems >> to relate only to why you should not use these new features. >> > It means it steadily gets harder to integrate other people's code > with your own, and then present it in a form that a third set > of people will want to use. You don't have a reliable standard > any longer. Obviously any code you ship must be in the increasingly > narrow subset of all the common standards out there, which can > be hard to check. (A recent bit of code broke because I had > forgotten to remove M_PI, it's just an irritation, but it means > a new version of the file). But increasingly people will ask > why they can't use some feature, they don't feel the code is > idiomatic any more. M_PI is an interesting example, since it's not defined by *any* C standard. -- Keith Thompson (The_Other_Keith) kst-u@mib.org Working, but not speaking, for JetHead Development, Inc. "We must do something. This is something. Therefore, we must do this." -- Antony Jay and Jonathan Lynn, "Yes Minister"