From unknown Mon Jun 23 11:28:17 2025 X-Loop: help-debbugs@gnu.org Subject: bug#27966: 25.1.50; Bad behaviour #'generate-new-buffer-name if buffer "nil" exists Resent-From: Aidan Kehoe Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 05 Aug 2017 09:17:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 27966 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 27966@debbugs.gnu.org X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Received: via spool by submit@debbugs.gnu.org id=B.150192457620880 (code B ref -1); Sat, 05 Aug 2017 09:17:02 +0000 Received: (at submit) by debbugs.gnu.org; 5 Aug 2017 09:16:16 +0000 Received: from localhost ([127.0.0.1]:42475 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ddvBw-0005Qi-AH for submit@debbugs.gnu.org; Sat, 05 Aug 2017 05:16:16 -0400 Received: from eggs.gnu.org ([208.118.235.92]:49770) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ddvBu-0005QW-KY for submit@debbugs.gnu.org; Sat, 05 Aug 2017 05:16:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ddvBo-00044D-41 for submit@debbugs.gnu.org; Sat, 05 Aug 2017 05:16:09 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:58163) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ddvBo-00043q-0R for submit@debbugs.gnu.org; Sat, 05 Aug 2017 05:16:08 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40715) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ddvBm-0003mW-HY for bug-gnu-emacs@gnu.org; Sat, 05 Aug 2017 05:16:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ddvBj-00040A-5O for bug-gnu-emacs@gnu.org; Sat, 05 Aug 2017 05:16:06 -0400 Received: from mail.parhasard.net ([88.198.122.198]:52574) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ddvBi-0003tS-R8 for bug-gnu-emacs@gnu.org; Sat, 05 Aug 2017 05:16:03 -0400 Received: by mail.parhasard.net (Postfix, from userid 1000) id 13CAB4A1A65; Sat, 5 Aug 2017 11:15:55 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=parhasard.net; s=mail; t=1501924555; bh=QjAXQ+t0twWqFsP4p+9ZPyY3d5YNN7BzN5GBkdAexG8=; h=From:Date:To:Subject:From; b=hWRe92wXa/HJW4vCqVsrRMHjHgoOLY3wU/DdrwMwAbX3iwoM6PIYNfAfXHlBpAyHZ AKMNiJnvkiO1u/5lmEo+KPWgZG4Y8X8hjFOum1lnMc2otzCtTc1PEohC7lftogm/zL 6wlNAn8YryEXtC2lBJaiWaqgATXWNKBgJuS0WIlQ= From: Aidan Kehoe MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Message-ID: <5985.8cca.25d3d.65c5@parhasard.net> Date: Sat, 5 Aug 2017 10:15:54 +0100 X-Mailer: VM 8.2.0b under 21.5 (beta34) "kale" 74b4d4c11264 XEmacs Lucid (i386-apple-darwin10.8.0) X-NS5-file-as-sent: t Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.1 (----) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -4.1 (----) I start emacs: $ emacs -Q I type the following into *scratch*: (progn (get-buffer-create "nil") (generate-new-buffer-name "nil")) C-j This gives the string "nil". This is incorrect behaviour, since "nil" is the name of an existing buffer. On line 1080 of buffer.c, IGNORE should be checked to be non-nil before calling Fstring_equal().=20 In GNU Emacs 25.1.50.2 (i386-apple-darwin10.8.0, NS appkit-1038.36 Versio= n 10.6.8 (Build 10K549)) of 2016-08-11 built on bonbon Repository revision: 2e0a2b376f51dd515ffeb6449181cc37fe912f5e Windowing system distributor 'Apple', version 10.3.1038 Recent messages: For information about GNU Emacs and the GNU system, type C-h C-a. Entering debugger... Back to top level Mark activated Configured features: RSVG IMAGEMAGICK DBUS NOTIFY ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS NS Important settings: value of $LANG: de_DE.UTF-8 locale-coding-system: utf-8-unix Major mode: Lisp Interaction Minor modes in effect: tooltip-mode: t global-eldoc-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message subr-x puny seq byte-opt gv bytecomp byte-compile cl-extra cconv dired dired-loaddefs format-spec rfc822 mml mml-sec password-cache epa derived epg epg-config gnus-util rmail rmail-loaddefs mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils help-mode easymenu cl-loaddefs pcase cl-lib debug time-date mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel term/ns-win ns-win ucs-normalize term/common-win tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core term/tty-colors frame cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese charscript case-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer cl-preloaded nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote dbusbind kqueue cocoa ns multi-tty make-network-process emacs) Memory information: ((conses 8 207947 15960) (symbols 24 20538 0) (miscs 20 103 415) (strings 16 18679 5954) (string-bytes 1 597873) (vectors 8 34682) (vector-slots 4 685880 8462) (floats 8 184 228) (intervals 28 416 257) (buffers 520 15)) --=20 =E2=80=98As I sat looking up at the Guinness ad, I could never figure out= / How your man stayed up on the surfboard after forty pints of stout=E2=80=99 (C. Moore) From unknown Mon Jun 23 11:28:17 2025 MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) X-Loop: help-debbugs@gnu.org From: help-debbugs@gnu.org (GNU bug Tracking System) To: Aidan Kehoe Subject: bug#27966: closed (Re: bug#27966: 25.1.50; Bad behaviour #'generate-new-buffer-name if buffer "nil" exists) Message-ID: References: <831soqwd9u.fsf@gnu.org> <5985.8cca.25d3d.65c5@parhasard.net> X-Gnu-PR-Message: they-closed 27966 X-Gnu-PR-Package: emacs Reply-To: 27966@debbugs.gnu.org Date: Sat, 05 Aug 2017 09:55:02 +0000 Content-Type: multipart/mixed; boundary="----------=_1501926902-24482-1" This is a multi-part message in MIME format... ------------=_1501926902-24482-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Your bug report #27966: 25.1.50; Bad behaviour #'generate-new-buffer-name if buffer "nil" e= xists which was filed against the emacs package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 27966@debbugs.gnu.org. --=20 27966: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D27966 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems ------------=_1501926902-24482-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at 27966-done) by debbugs.gnu.org; 5 Aug 2017 09:54:41 +0000 Received: from localhost ([127.0.0.1]:42508 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ddvn7-0006MH-4S for submit@debbugs.gnu.org; Sat, 05 Aug 2017 05:54:41 -0400 Received: from eggs.gnu.org ([208.118.235.92]:39436) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ddvn5-0006M1-Bw for 27966-done@debbugs.gnu.org; Sat, 05 Aug 2017 05:54:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ddvmv-0006qT-U1 for 27966-done@debbugs.gnu.org; Sat, 05 Aug 2017 05:54:34 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:45194) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ddvmv-0006qK-Qo; Sat, 05 Aug 2017 05:54:29 -0400 Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:1442 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1ddvmv-0007Ee-8H; Sat, 05 Aug 2017 05:54:29 -0400 Date: Sat, 05 Aug 2017 12:54:21 +0300 Message-Id: <831soqwd9u.fsf@gnu.org> From: Eli Zaretskii To: Aidan Kehoe In-reply-to: <5985.8cca.25d3d.65c5@parhasard.net> (message from Aidan Kehoe on Sat, 5 Aug 2017 10:15:54 +0100) Subject: Re: bug#27966: 25.1.50; Bad behaviour #'generate-new-buffer-name if buffer "nil" exists References: <5985.8cca.25d3d.65c5@parhasard.net> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: 27966-done Cc: 27966-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Eli Zaretskii Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -5.0 (-----) > From: Aidan Kehoe > Date: Sat, 5 Aug 2017 10:15:54 +0100 > > > (progn (get-buffer-create "nil") > (generate-new-buffer-name "nil")) C-j > > This gives the string "nil". This is incorrect behaviour, since "nil" is > the name of an existing buffer. On line 1080 of buffer.c, IGNORE should > be checked to be non-nil before calling Fstring_equal(). Thanks, fixed on master. ------------=_1501926902-24482-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at submit) by debbugs.gnu.org; 5 Aug 2017 09:16:16 +0000 Received: from localhost ([127.0.0.1]:42475 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ddvBw-0005Qi-AH for submit@debbugs.gnu.org; Sat, 05 Aug 2017 05:16:16 -0400 Received: from eggs.gnu.org ([208.118.235.92]:49770) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ddvBu-0005QW-KY for submit@debbugs.gnu.org; Sat, 05 Aug 2017 05:16:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ddvBo-00044D-41 for submit@debbugs.gnu.org; Sat, 05 Aug 2017 05:16:09 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,T_DKIM_INVALID autolearn=disabled version=3.3.2 Received: from lists.gnu.org ([2001:4830:134:3::11]:58163) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ddvBo-00043q-0R for submit@debbugs.gnu.org; Sat, 05 Aug 2017 05:16:08 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40715) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ddvBm-0003mW-HY for bug-gnu-emacs@gnu.org; Sat, 05 Aug 2017 05:16:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ddvBj-00040A-5O for bug-gnu-emacs@gnu.org; Sat, 05 Aug 2017 05:16:06 -0400 Received: from mail.parhasard.net ([88.198.122.198]:52574) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ddvBi-0003tS-R8 for bug-gnu-emacs@gnu.org; Sat, 05 Aug 2017 05:16:03 -0400 Received: by mail.parhasard.net (Postfix, from userid 1000) id 13CAB4A1A65; Sat, 5 Aug 2017 11:15:55 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=parhasard.net; s=mail; t=1501924555; bh=QjAXQ+t0twWqFsP4p+9ZPyY3d5YNN7BzN5GBkdAexG8=; h=From:Date:To:Subject:From; b=hWRe92wXa/HJW4vCqVsrRMHjHgoOLY3wU/DdrwMwAbX3iwoM6PIYNfAfXHlBpAyHZ AKMNiJnvkiO1u/5lmEo+KPWgZG4Y8X8hjFOum1lnMc2otzCtTc1PEohC7lftogm/zL 6wlNAn8YryEXtC2lBJaiWaqgATXWNKBgJuS0WIlQ= From: Aidan Kehoe MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Message-ID: <5985.8cca.25d3d.65c5@parhasard.net> Date: Sat, 5 Aug 2017 10:15:54 +0100 To: bug-gnu-emacs@gnu.org Subject: 25.1.50; Bad behaviour #'generate-new-buffer-name if buffer "nil" exists X-Mailer: VM 8.2.0b under 21.5 (beta34) "kale" 74b4d4c11264 XEmacs Lucid (i386-apple-darwin10.8.0) X-NS5-file-as-sent: t Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -4.1 (----) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -4.1 (----) I start emacs: $ emacs -Q I type the following into *scratch*: (progn (get-buffer-create "nil") (generate-new-buffer-name "nil")) C-j This gives the string "nil". This is incorrect behaviour, since "nil" is the name of an existing buffer. On line 1080 of buffer.c, IGNORE should be checked to be non-nil before calling Fstring_equal().=20 In GNU Emacs 25.1.50.2 (i386-apple-darwin10.8.0, NS appkit-1038.36 Versio= n 10.6.8 (Build 10K549)) of 2016-08-11 built on bonbon Repository revision: 2e0a2b376f51dd515ffeb6449181cc37fe912f5e Windowing system distributor 'Apple', version 10.3.1038 Recent messages: For information about GNU Emacs and the GNU system, type C-h C-a. Entering debugger... Back to top level Mark activated Configured features: RSVG IMAGEMAGICK DBUS NOTIFY ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS NS Important settings: value of $LANG: de_DE.UTF-8 locale-coding-system: utf-8-unix Major mode: Lisp Interaction Minor modes in effect: tooltip-mode: t global-eldoc-mode: t electric-indent-mode: t mouse-wheel-mode: t tool-bar-mode: t menu-bar-mode: t file-name-shadow-mode: t global-font-lock-mode: t font-lock-mode: t blink-cursor-mode: t auto-composition-mode: t auto-encryption-mode: t auto-compression-mode: t line-number-mode: t transient-mark-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message subr-x puny seq byte-opt gv bytecomp byte-compile cl-extra cconv dired dired-loaddefs format-spec rfc822 mml mml-sec password-cache epa derived epg epg-config gnus-util rmail rmail-loaddefs mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils help-mode easymenu cl-loaddefs pcase cl-lib debug time-date mule-util tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type mwheel term/ns-win ns-win ucs-normalize term/common-win tool-bar dnd fontset image regexp-opt fringe tabulated-list newcomment elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax facemenu font-core term/tty-colors frame cl-generic cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european ethiopic indian cyrillic chinese charscript case-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer cl-preloaded nadvice loaddefs button faces cus-face macroexp files text-properties overlay sha1 md5 base64 format env code-pages mule custom widget hashtable-print-readable backquote dbusbind kqueue cocoa ns multi-tty make-network-process emacs) Memory information: ((conses 8 207947 15960) (symbols 24 20538 0) (miscs 20 103 415) (strings 16 18679 5954) (string-bytes 1 597873) (vectors 8 34682) (vector-slots 4 685880 8462) (floats 8 184 228) (intervals 28 416 257) (buffers 520 15)) --=20 =E2=80=98As I sat looking up at the Guinness ad, I could never figure out= / How your man stayed up on the surfboard after forty pints of stout=E2=80=99 (C. Moore) ------------=_1501926902-24482-1--