From: Alan Mackenzie <acm@muc.de>
To: 2203-done@debbugs.gnu.org
Subject: bug#2203: C Mode: C-M-a fails at BOD re_comp, src/regex.c L6534
Date: 22 Jan 2016 23:06:47 -0000 [thread overview]
Message-ID: <20160122230647.52787.qmail@mail.muc.de> (raw)
In-Reply-To: <mailman.2414.1452890468.843.bug-gnu-emacs@gnu.org>
Bug fixed in branch emacs-25.
In article <mailman.2414.1452890468.843.bug-gnu-emacs@gnu.org> you wrote:
> Alan Mackenzie <acm@muc.de> writes:
>> In .../src/regex.c put point at BOL6534, "char *" here:
>>
>> }
>> WEAK_ALIAS (__re_compile_pattern, re_compile_pattern)
>> ^L
>> /* Entry points compatible with 4.2 BSD regex library. We don't define
>> them unless specifically requested. */
>>
>> #if defined _REGEX_RE_COMP || defined _LIBC
>>
>> /* BSD has one and only one pattern buffer. */
>> static struct re_pattern_buffer re_comp_buf;
>>
>> char * <=================================
>> # ifdef _LIBC
>> /* Make these definitions weak in libc, so POSIX programs can redefine
>> these names if they don't use our functions, and still use
>> regcomp/regexec below without link errors. */
>> weak_function
>> # endif
>> re_comp (s)
>> const char *s;
>> {
>>
>>
>> Do C-M-a. Point doesn't move.
>>
>> Preliminary investigation: With point on the 'h' of "char *",
>> (c-beginning-of-decl-1 nil) should move point one character backwards.
>> Instead, it moves to BOL "WEAK_ALIAS".
> I just tested this in Emacs 25 and it seems that in every case point
> moves back to "WEAK_ALIAS". That is, C-M-a, c-beginning-of-defun,
> behaves the same way as (c-beginning-of-decl-1 nil).
> I guess that makes it more broken, if more consistent, than when the bug
> was raised.
> --
> Alan Third
--
Alan Mackenzie (Nuremberg, Germany).
prev parent reply other threads:[~2016-01-22 23:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-05 11:36 bug#2203: C Mode: C-M-a fails at BOD re_comp, src/regex.c L6534 Alan Mackenzie
2016-01-15 20:40 ` Alan J Third
[not found] ` <mailman.2414.1452890468.843.bug-gnu-emacs@gnu.org>
2016-01-17 22:31 ` Alan Mackenzie
2016-01-22 23:06 ` Alan Mackenzie [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160122230647.52787.qmail@mail.muc.de \
--to=acm@muc.de \
--cc=2203-done@debbugs.gnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.