From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED.blaine.gmane.org!not-for-mail From: Stefan Kangas Newsgroups: gmane.emacs.bugs Subject: bug#37818: [PATCH] Various FAQ updates Date: Sun, 20 Oct 2019 15:53:31 +0200 Message-ID: References: <834l058d2a.fsf@gnu.org> <838spg7r70.fsf@gnu.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="0000000000002cddaf059557e507" Injection-Info: blaine.gmane.org; posting-host="blaine.gmane.org:195.159.176.226"; logging-data="15532"; mail-complaints-to="usenet@blaine.gmane.org" Cc: 37818@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Oct 20 15:54:19 2019 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([209.51.188.17]) by blaine.gmane.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1iMBex-0003qP-QB for geb-bug-gnu-emacs@m.gmane.org; Sun, 20 Oct 2019 15:54:15 +0200 Original-Received: from localhost ([::1]:35350 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iMBew-0001qV-1T for geb-bug-gnu-emacs@m.gmane.org; Sun, 20 Oct 2019 09:54:14 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:47714) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iMBel-0001kf-4R for bug-gnu-emacs@gnu.org; Sun, 20 Oct 2019 09:54:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iMBek-0001Sm-28 for bug-gnu-emacs@gnu.org; Sun, 20 Oct 2019 09:54:03 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:45267) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1iMBej-0001Si-VP for bug-gnu-emacs@gnu.org; Sun, 20 Oct 2019 09:54:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1iMBej-0000qv-So for bug-gnu-emacs@gnu.org; Sun, 20 Oct 2019 09:54:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Stefan Kangas Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sun, 20 Oct 2019 13:54:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 37818 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: patch Original-Received: via spool by 37818-submit@debbugs.gnu.org id=B37818.15715796313258 (code B ref 37818); Sun, 20 Oct 2019 13:54:01 +0000 Original-Received: (at 37818) by debbugs.gnu.org; 20 Oct 2019 13:53:51 +0000 Original-Received: from localhost ([127.0.0.1]:54088 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iMBeZ-0000qU-0Q for submit@debbugs.gnu.org; Sun, 20 Oct 2019 09:53:51 -0400 Original-Received: from mail-pf1-f180.google.com ([209.85.210.180]:38714) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1iMBeX-0000qG-2w for 37818@debbugs.gnu.org; Sun, 20 Oct 2019 09:53:49 -0400 Original-Received: by mail-pf1-f180.google.com with SMTP id h195so6652978pfe.5 for <37818@debbugs.gnu.org>; Sun, 20 Oct 2019 06:53:48 -0700 (PDT) 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=wxcekTqnWhLLoJB+8UvNp55qU7leMoF3UvG9edJXCIg=; b=B9fmuegnS0wo4VDd9Gq+PAjVFFwPFItMYBz/UkB6AI75v5KFz1FhRIajk3LKg0ApGj 2donxzfKWu9wP1rdDUtFtAc4XDzpQxkOOM4l+iRbsNJLROXbwKcnFRlhHARlUosBrjcO VcWKGNeilGmeEJ3urKVW610PX/v5tIc1AwVhRimBcvxzD/z7HZXuZXADc1Wom8/jUDwF sI92Poay0zS3r6FtPM43F1d+8W/Q8E9D/G11v2vcdp8Q7DAXZnr1lkIyQSH0fuNdBcUx 8Q6rrxi/GZ+7CLkwEyqMLqEW+PtY1/04MnBno+jACRgybRRq2TbxBshvWECO/xfwaJNC NkcA== X-Gm-Message-State: APjAAAXqTI833l4javilETp4elrIuDloC+WQuq18lK3SxsU75tt8tIix Z1F4Ekbs2PijGgh2eqM5RsVxmA96lz76A6YAkp4= X-Google-Smtp-Source: APXvYqw8XxZgxkbM1o7iPysOOxuqcUzpn1NlUFhBE3XMSAJ8itM8cvhLO7Q2oc3MJW5vr8/SIJsKgpkqX8aWFLZru/M= X-Received: by 2002:a63:4046:: with SMTP id n67mr18936235pga.200.1571579623162; Sun, 20 Oct 2019 06:53:43 -0700 (PDT) In-Reply-To: <838spg7r70.fsf@gnu.org> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.51.188.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:169813 Archived-At: --0000000000002cddaf059557e507 Content-Type: text/plain; charset="UTF-8" Eli Zaretskii writes: > > +Emacs has an inherent fixed limitation on the size of buffers. > > I'd suggest to say that the limitation is more strict that the maximum > size of objects supported by programs with the same architecture, > because otherwise this sentence might be misunderstood. Done. > > > The > > +maximum buffer size on 32-bit machines is 512 MBytes beginning with > > +version 23.2. If Emacs was built using the @code{--with-wide-int} > > +flag, the maximum buffer size on 32-bit machines is ***FIXME*** > > +MBytes. > > The number here is 2GB. Fixed. > > +This limitation imposes a size limit on visiting files, which is > > +roughly half the buffer limit due to things like decoding of multibyte > > +characters. When visiting compressed archives, the file size > > +limitation will be smaller than that due to decompression. > > + > > +Unless you want to visit unusually large files, this should only be an > > +issue on 32-bit machines. Emacs compiled on a 64-bit machine can > > +handle much larger buffers. > > The limit value for 64-bit builds is that of most-positive-fixnum. Fixed. Please find attached an updated patch. Best regards, Stefan Kangas --0000000000002cddaf059557e507 Content-Type: application/octet-stream; name="0001-Update-FAQ-section-on-large-files-Bug-37818.patch" Content-Disposition: attachment; filename="0001-Update-FAQ-section-on-large-files-Bug-37818.patch" Content-Transfer-Encoding: base64 Content-ID: X-Attachment-Id: f_k1z1x6wh0 RnJvbSA1YmMzZDk0NGJmOGYyMjg2OGVlY2NhMjQ0MjQwZDk2ZGQ3MjgxMmMyIE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBTdGVmYW4gS2FuZ2FzIDxzdGVmYW5rYW5nYXNAZ21haWwuY29t PgpEYXRlOiBGcmksIDE4IE9jdCAyMDE5IDIyOjU2OjM0ICswMjAwClN1YmplY3Q6IFtQQVRDSF0g VXBkYXRlIEZBUSBzZWN0aW9uIG9uIGxhcmdlIGZpbGVzIChCdWcjMzc4MTgpCgoqIGRvYy9taXNj L2VmYXEudGV4aSAoUHJvYmxlbXMgd2l0aCB2ZXJ5IGxhcmdlIGZpbGVzKTogRXh0ZW5kIHNlY3Rp b24KYW5kIHJlbW92ZSBpbmZvcm1hdGlvbiBhYm91dCBhbmNpZW50IHZlcnNpb25zIG9mIEVtYWNz LgotLS0KIGRvYy9taXNjL2VmYXEudGV4aSB8IDIzICsrKysrKysrKysrKysrKystLS0tLS0tCiAx IGZpbGUgY2hhbmdlZCwgMTYgaW5zZXJ0aW9ucygrKSwgNyBkZWxldGlvbnMoLSkKCmRpZmYgLS1n aXQgYS9kb2MvbWlzYy9lZmFxLnRleGkgYi9kb2MvbWlzYy9lZmFxLnRleGkKaW5kZXggMGYyY2Vi ZTZjMy4uOGJiYjRiZjNjMCAxMDA2NDQKLS0tIGEvZG9jL21pc2MvZWZhcS50ZXhpCisrKyBiL2Rv Yy9taXNjL2VmYXEudGV4aQpAQCAtMjkyMywyMCArMjkyMywyOSBAQCBCdWdzIGFuZCBwcm9ibGVt cwogQGVuZCBtZW51CiAKIEBub2RlIFByb2JsZW1zIHdpdGggdmVyeSBsYXJnZSBmaWxlcwotQHNl Y3Rpb24gRG9lcyBFbWFjcyBoYXZlIHByb2JsZW1zIHdpdGggZmlsZXMgbGFyZ2VyIHRoYW4gOCBt ZWdhYnl0ZXM/CitAc2VjdGlvbiBEb2VzIEVtYWNzIGhhdmUgcHJvYmxlbXMgd2l0aCBsYXJnZSBm aWxlcz8KIEBjaW5kZXggVmVyeSBsYXJnZSBmaWxlcywgb3BlbmluZwogQGNpbmRleCBMYXJnZSBm aWxlcywgb3BlbmluZwogQGNpbmRleCBPcGVuaW5nIHZlcnkgbGFyZ2UgZmlsZXMKIEBjaW5kZXgg TWF4aW11bSBmaWxlIHNpemUKIEBjaW5kZXggRmlsZXMsIG1heGltdW0gc2l6ZQogCi1PbGQgdmVy c2lvbnMgKGkuZS4sIGFueXRoaW5nIGJlZm9yZSAxOS4yOSkgb2YgRW1hY3MgaGFkIHByb2JsZW1z IGVkaXRpbmcKLWZpbGVzIGxhcmdlciB0aGFuIDggbWVnYWJ5dGVzLiAgSW4gdmVyc2lvbnMgMTku MjkgYW5kIGxhdGVyLCB0aGUgbWF4aW11bQotYnVmZmVyIHNpemUgaXMgYXQgbGVhc3QgQG1hdGh7 Ml57Mjd9LTF9LCBvciAxMzQsMjE3LDcyNyBieXRlcywgb3IgMTMyIE1CeXRlcy4KLVRoZSBtYXhp bXVtIGJ1ZmZlciBzaXplIG9uIDMyLWJpdCBtYWNoaW5lcyBpbmNyZWFzZWQgdG8gMjU2IE1CeXRl cyBpbgotRW1hY3MgMjIsIGFuZCBhZ2FpbiB0byA1MTIgTUJ5dGVzIGluIEVtYWNzIDIzLjIuCitF bWFjcyBoYXMgYW4gaW5oZXJlbnQgZml4ZWQgbGltaXRhdGlvbiBvbiB0aGUgc2l6ZSBvZiBidWZm ZXJzLiAgVGhpcworbGltaXQgaXMgc3RyaWN0ZXIgdGhhbiB0aGUgbWF4aW11bSBzaXplIG9mIG9i amVjdHMgc3VwcG9ydGVkIGJ5IG90aGVyCitwcm9ncmFtcyBvbiB0aGUgc2FtZSBhcmNoaXRlY3R1 cmUuCiAKLUVtYWNzIGNvbXBpbGVkIG9uIGEgNjQtYml0IG1hY2hpbmUgY2FuIGhhbmRsZSBtdWNo IGxhcmdlciBidWZmZXJzLgorVGhlIG1heGltdW0gYnVmZmVyIHNpemUgb24gMzItYml0IG1hY2hp bmVzIGlzIDUxMiBNQnl0ZXMgYmVnaW5uaW5nCit3aXRoIHZlcnNpb24gMjMuMi4gIElmIEVtYWNz IHdhcyBidWlsdCB1c2luZyB0aGUKK0Bjb2Rley0td2l0aC13aWRlLWludH0gZmxhZywgdGhlIG1h eGltdW0gYnVmZmVyIHNpemUgb24gMzItYml0CittYWNoaW5lcyBpcyAyIEdCLgorCitFbWFjcyBj b21waWxlZCBvbiBhIDY0LWJpdCBtYWNoaW5lIGNhbiBoYW5kbGUgbXVjaCBsYXJnZXIgYnVmZmVy czsgdXAKK3RvIEBjb2Rle21vc3QtcG9zaXRpdmUtZml4bnVtfSAoMi4zIGV4YWJ5dGVzKS4KKwor RHVlIHRvIHRoaW5ncyBsaWtlIGRlY29kaW5nIG9mIG11bHRpYnl0ZSBjaGFyYWN0ZXJzLCB5b3Ug Y2FuIG9ubHkKK3Zpc2l0IGZpbGVzIHdpdGggYSBzaXplIHRoYXQgaXMgcm91Z2hseSBoYWxmIHRo ZSBidWZmZXIgc2l6ZSBsaW1pdC4KK1doZW4gdmlzaXRpbmcgY29tcHJlc3NlZCBhcmNoaXZlcywg dGhlIGZpbGUgc2l6ZSBsaW1pdCB3aWxsIGJlCitzbWFsbGVyIHRoYW4gdGhhdCBkdWUgdG8gZGVj b21wcmVzc2lvbi4KIAogQG5vZGUgXk0gaW4gdGhlIHNoZWxsIGJ1ZmZlcgogQHNlY3Rpb24gSG93 IGRvIEkgZ2V0IHJpZCBvZiBAc2FtcHteTX0gb3IgZWNob2VkIGNvbW1hbmRzIGluIG15IHNoZWxs IGJ1ZmZlcj8KLS0gCjIuMjMuMAoK --0000000000002cddaf059557e507--