220 33854 <586cd0e2-2fd9-4af0-814c-7ca19ecac410@isocpp.org> article Path: news.gmane.org!.POSTED!not-for-mail From: Nicol Bolas Newsgroups: gmane.comp.lang.c++.isocpp.proposals Subject: Re: Re: string_view for fstream::open() Date: Fri, 11 Aug 2017 15:48:14 -0700 (PDT) Lines: 67 Approved: news@gmane.org Message-ID: <586cd0e2-2fd9-4af0-814c-7ca19ecac410@isocpp.org> References: <3456831.gsseCm4DuK@tjmaciei-mobl1> <6240d6af-a518-4788-a56f-b7d0c8976dc4@isocpp.org> <01739e89-fc83-428b-94d5-e4e06927cc80@isocpp.org> <25b20004-c1b3-4844-b957-ef57e043b533@isocpp.org> <15b49197-b38b-47be-aefb-0786af7635f2@isocpp.org> <188dc31c-df5e-4fe1-ad85-847d3d732880@isocpp.org> Reply-To: std-proposals@isocpp.org NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="----=_Part_2564_389094282.1502491694795" X-Trace: blaine.gmane.org 1502491696 31870 195.159.176.226 (11 Aug 2017 22:48:16 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 11 Aug 2017 22:48:16 +0000 (UTC) To: ISO C++ Standard - Future Proposals Original-X-From: std-proposals+bncBCEKFTV6ZUMBBL7IXDGAKGQEW6SQ23Y@isocpp.org Sat Aug 12 00:48:12 2017 Return-path: Envelope-to: gclcip-std-proposals@m.gmane.org Original-Received: from mail-pg0-f69.google.com ([74.125.83.69]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dgIiw-0007uq-Cr for gclcip-std-proposals@m.gmane.org; Sat, 12 Aug 2017 00:48:10 +0200 Original-Received: by mail-pg0-f69.google.com with SMTP id w187sf51104281pgb.10 for ; Fri, 11 Aug 2017 15:48:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isocpp-org.20150623.gappssmtp.com; s=20150623; h=date:from:to:message-id:in-reply-to:references:subject:mime-version :x-original-sender:reply-to:precedence:mailing-list:list-id :list-post:list-help:list-archive:list-subscribe:list-unsubscribe; bh=CYz5JARLCSRYcVvk43fbd0qzfh8ULbKPDcMZfRY9nQQ=; b=0UwFnJjiVYDEYPhXq3OxsIlZa3a7gXK1oZXR0QtVyCpgZfV74NH408zj1HDW/WTl54 IGMHT992J0ZXib8J4KnRXExX0IF/4uusZUWLMMyiOPlDYBxuKiCwuuh4k9D6bo3x9nnV apUfIb9L/rdo93gKGCfs8AGh1khR9qlF7C+QxK+mxF++1uSAWa8O2zvLozVIpjeouo11 pj3vIpp2QGCpIrZT17IV436FymjXNHHh6IY2rZoEWt8hAO0IPzi3mArHdWiBkRP7NVow t3V3njQF2Zvx7ePPq6nd/wydv2IeNU2wPEkZ/JHwT1ci/f277PDUxKg5red6MQJM9zO3 4hKw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:message-id:in-reply-to:references:subject:mime-version :x-original-sender:reply-to:precedence:mailing-list:list-id :list-post:list-help:list-archive:list-subscribe:list-unsubscribe; bh=CYz5JARLCSRYcVvk43fbd0qzfh8ULbKPDcMZfRY9nQQ=; b=biYqLMexSv0xfi7BcfeFDA/EVxVsqOsyf2MI39jKuXn7X0ZnY+R5DunYcf8LwMthLN HP4V5wVAwEhW2+2RfJzPgLNyqvmdd+C8FvTnvh++1zj0VSI7i6y5sD50dUGMuFoxOA5f E1Reo1dCLNGBlDKNdU4D4qcnt28guiK17y85IZ0E9agk+ScAnjulGcaNMICOM+fIaK7G Cyis2ZTekLZGnThTRWkmCGBgqZiYSAxIz1/6Hnpn/InQes4KyHcVl2OfANsZUTmotN0l jlTLSiLygdmxsfJw+EXTkd6fQfV28Fy3BYhAd5jISzQpHH69P3Y/CrvZpmvTxrddBcu8 K9Dg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:message-id:in-reply-to:references :subject:mime-version:x-original-sender:reply-to:precedence :mailing-list:list-id:x-spam-checked-in-group:list-post:list-help :list-archive:list-subscribe:list-unsubscribe; bh=CYz5JARLCSRYcVvk43fbd0qzfh8ULbKPDcMZfRY9nQQ=; b=mMdcp5y0LfDowNHM81+uWb5FCfVeECiO5NPZFNPqrIwrYdLiWKj0TeYcdTIocUIG08 JUYpRDdF3ROH2yr0pLjs0kZAFA3D/kigvs3oYMLgStC3+m9TpICMcvP3D9lP0n3zXF2d aKPs0ZiBIwJHaYiAl7hPlWfmO7NUU/etuLCbq00h1eX0H/d0M/cJFsal5eZjHxQKqWTY nRTYVHdP8jl6oA4SEV4BjyKYFJ9BGkL6v0om1hLTUgvzdJqH2c4sMz4AAHeG6pKt9vB6 ZQ1Lv0+zN+aF7QRIcKjychm4aYkTApPLwlxS8UG4+g5pVz3qol/Hs2i6B2y1tvjEyQYI /qog== X-Gm-Message-State: AHYfb5hGoO7qUq70+UbO3d634x79Zs9akWJo1Bu1bZ3zrKi/Yneh2rND xRoKqSWvxVoVAdXo X-Received: by 10.99.160.106 with SMTP id u42mr11353140pgn.176.1502491696342; Fri, 11 Aug 2017 15:48:16 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 10.36.67.133 with SMTP id s127ls374633itb.8.canary-gmail; Fri, 11 Aug 2017 15:48:15 -0700 (PDT) X-Received: by 10.31.164.205 with SMTP id n196mr103560vke.22.1502491695262; Fri, 11 Aug 2017 15:48:15 -0700 (PDT) In-Reply-To: <188dc31c-df5e-4fe1-ad85-847d3d732880@isocpp.org> X-Original-Sender: jmckesson@gmail.com Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:33854 Archived-At: ------=_Part_2564_389094282.1502491694795 Content-Type: multipart/alternative; boundary="----=_Part_2565_470656277.1502491694796" ------=_Part_2565_470656277.1502491694796 Content-Type: text/plain; charset="UTF-8" On Friday, August 11, 2017 at 6:29:23 PM UTC-4, Niall Douglas wrote: > > >> Or we can just have a single `filesystem::path` type, which you can get >> views of with existing types. I prefer that option. >> > > As already covered in great detail by now, if fed a string_view then one > is mandated to memcpy the lot so it can be zero terminated before sending > it to the file path consuming syscall. > A problem easily solved with the types we're talking about. We don't need a replacement for `filesystem::path`. We *certainly* don't need some 32KB type... -- You received this message because you are subscribed to the Google Groups "ISO C++ Standard - Future Proposals" group. To unsubscribe from this group and stop receiving emails from it, send an email to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. To view this discussion on the web visit https://groups.google.com/a/isocpp.org/d/msgid/std-proposals/586cd0e2-2fd9-4af0-814c-7ca19ecac410%40isocpp.org. ------=_Part_2565_470656277.1502491694796 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
On Friday, August 11, 2017 at 6:29:23 PM UTC-4, Niall Doug= las wrote:

Or we can ju= st have a single `filesystem::path` type, which you can get views of with e= xisting types. I prefer that option.

As already covered in great detail by now, if fed a string_view then = one is mandated to memcpy the lot so it can be zero terminated before sendi= ng it to the file path consuming syscall.

= A problem easily solved with the types we're talking about. We don'= t need a replacement for `filesystem::path`. We certainly don't = need some 32KB type...

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To post to this group, send email to std-proposals@isocpp.org.
To view this discussion on the web visit https://groups.google.= com/a/isocpp.org/d/msgid/std-proposals/586cd0e2-2fd9-4af0-814c-7ca19ecac410= %40isocpp.org.
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