From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Philipp Stephani Newsgroups: gmane.emacs.devel Subject: Re: JSON/YAML/TOML/etc. parsing performance Date: Sun, 08 Oct 2017 23:09:22 +0000 Message-ID: References: <87poaqhc63.fsf@lifelogs.com> <8360ceh5f1.fsf@gnu.org> <83h8vl5lf9.fsf@gnu.org> <83r2um3fqi.fsf@gnu.org> <43520b71-9e25-926c-d744-78098dad6441@cs.ucla.edu> <83o9pnzddc.fsf@gnu.org> <472176ce-846b-1f24-716b-98eb95ceaa47@cs.ucla.edu> <83d163z6dy.fsf@gnu.org> <73477c99-1600-a53d-d84f-737837d0f91f@cs.ucla.edu> <83poa2ya8j.fsf@gnu.org> <21b0ba97-ed49-43ae-e86f-63fba762353a@cs.ucla.edu> <83lgkqxe3l.fsf@gnu.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="94eb2c13f0a0bbec65055b112a30" X-Trace: blaine.gmane.org 1507504186 25558 195.159.176.226 (8 Oct 2017 23:09:46 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 8 Oct 2017 23:09:46 +0000 (UTC) Cc: emacs-devel@gnu.org To: Paul Eggert , Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Oct 09 01:09:40 2017 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e1KhT-0005FO-Ot for ged-emacs-devel@m.gmane.org; Mon, 09 Oct 2017 01:09:35 +0200 Original-Received: from localhost ([::1]:55386 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e1Kha-0001KX-Ul for ged-emacs-devel@m.gmane.org; Sun, 08 Oct 2017 19:09:42 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:59846) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e1KhU-0001KL-46 for emacs-devel@gnu.org; Sun, 08 Oct 2017 19:09:37 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e1KhT-0005Uu-Ce for emacs-devel@gnu.org; Sun, 08 Oct 2017 19:09:36 -0400 Original-Received: from mail-oi0-x232.google.com ([2607:f8b0:4003:c06::232]:44338) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1e1KhR-0005U6-Pw; Sun, 08 Oct 2017 19:09:33 -0400 Original-Received: by mail-oi0-x232.google.com with SMTP id v132so17563132oie.1; Sun, 08 Oct 2017 16:09:33 -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=fs0otHW/mYUPB20cCs4u9PSgc/kdFiM2jF/ljb6F2xA=; b=fEOPTY6cLMqxuGVVK1RWeJjrXunOzNbKnv6yyP5WdMQz8gUPYYqk8BL4nk0J5kEMAj ivluAamRPY285U9wjmDIexZrtKa4G46VVs0BbTwkvpSlXQUfQQA4/yuGjZX2e6v2p0Pe 9s8A2WO+k3kKaRnCxETJJsZGt8LOMYRMUFoFaTLgN8OIR8QUlM2tXDRgLaWrqeyiWz8J Vn//FmSGXhMPFKe3dJ3HInmRfHZrMwZyT236I3075VPpH4TMXQ8yR0fImCct5dj8LYb0 8IO8nDNdzjKgjv/vLua3QCo7paS5yd1Xe+hx0J3xMHEtIMtAIwHrHBrUKthFbp4KTf8j mz+g== 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=fs0otHW/mYUPB20cCs4u9PSgc/kdFiM2jF/ljb6F2xA=; b=feIQghZKIVjHPblUQGHYj/5jOjpnLfc6DhsFlVf84RKZ8FCZAAt6/KQIJfexd4H41z XOVA+4ekaEVU0VjwMzt0vWZKDT9SuXiKktT3/31wVqDSH//D+TlURcHBCaihCUlEdeus +R/IPDZ/P8LoIzUi1hVM2BFkIpW9W4B83PNaIqrAggYxHPh9cDkQK4ALE3QlkkjwjsAA YcUhXDftqZUgkXpeMhlKlLJxLwB5lDTxoArgcRS60s3rpn00vhEmsakfx5OfVDp4kJmY JVlm96A4GtgyZwZ9DEY/foaINhtRX4FHf3dl++EKjro4sWmdDlPgGrnZdkgTQnDnP3O+ Zmaw== X-Gm-Message-State: AMCzsaU7aey7K4I7IweSrr7Y73FDeUwDuNQTuba/BZYeqQ+kjNLNOq+L ozugxynWC6Sv+cwAmlW9sVFLj3TiwkqEtZURJuo= X-Google-Smtp-Source: AOwi7QAIEI+ClrPzq6HcByN+9aw3j0VIbvyI+WRhZgLq7MjSNh2Z449zGhTFLJhqBDF8LSnaQu+8IokrvNe+1n67T9Y= X-Received: by 10.202.7.198 with SMTP id 189mr4494853oih.18.1507504173082; Sun, 08 Oct 2017 16:09:33 -0700 (PDT) In-Reply-To: X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4003:c06::232 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:219277 Archived-At: --94eb2c13f0a0bbec65055b112a30 Content-Type: text/plain; charset="UTF-8" Paul Eggert schrieb am Fr., 6. Okt. 2017 um 03:58 Uhr: > The basic idea here is that json.c should be using xmalloc for > allocation anyway, for reasons other than size overflow checking. > > I don't think Jansson can use xmalloc because xmalloc can exit nonlocally, which is not expected by a third-party library such as Jansson. It could use a suitable wrapper of lmalloc, though. --94eb2c13f0a0bbec65055b112a30 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


Paul E= ggert <eggert@cs.ucla.edu> = schrieb am Fr., 6. Okt. 2017 um 03:58=C2=A0Uhr:
The basic idea here is that json.c should be using xmalloc fo= r
allocation anyway, for reasons other than size overflow checking.


I don't think Jansson can use xmal= loc because xmalloc can exit nonlocally, which is not expected by a third-p= arty library such as Jansson. It could use a suitable wrapper of lmalloc, t= hough.=C2=A0
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