public inbox for gcc@gcc.gnu.org
 help / color / mirror / Atom feed
From: Daniel Jacobowitz <drow@false.org>
To: Kean Johnston <jkj@sco.com>
Cc: gcc@gcc.gnu.org
Subject: Re: Guidance please: static or extern __inline__
Date: Thu, 28 Jul 2005 17:54:00 -0000	[thread overview]
Message-ID: <20050728175405.GA29635@nevyn.them.org> (raw)
In-Reply-To: <42E903E5.4040905@sco.com>

On Thu, Jul 28, 2005 at 09:12:21AM -0700, Kean Johnston wrote:
> to:
>   extern int stat (const char *__p, stat_t *__s);
>   extern __inline__ int
>   stat(const char *__p, stat_t *__s)
>   {
>     return _xstat(_STAT_VER, __p, __s);
>   }

...

> From reading teh docs it seems like 'extern __inline__' was
> the way to go for this type of header file trickery. However,
> it caused a problem bootstrapping the compiler, becuase the
> first stage doesn't have -O, so any calls to stat() actually
> go to the library routine called stat(), which is an old,
> deprecated stat that can't deal with, say, 32-bit inodes or
> uid_t's etc, and various programs like fixincludes then
> fail to stat files.

...

> However, I *think* I like the semantics of 'extern inline'
> better: use the inline version for the most part but if,
> for example, you take the address of the function, use the
> actual symbol stat(). But I see that most other fixincs
> use static inline.

Huh?  This paragraph conflicts with the previous one I quoted.  You
don't want extern inline, because you don't want the symbol stat() to
be called - that's your whole problem.

-- 
Daniel Jacobowitz
CodeSourcery, LLC

  parent reply	other threads:[~2005-07-28 17:54 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-07-28 16:12 Kean Johnston
2005-07-28 16:37 ` Gabriel Dos Reis
2005-07-28 17:49   ` Kean Johnston
2005-07-28 17:54 ` Daniel Jacobowitz [this message]
2005-07-28 18:32   ` Kean Johnston
2005-07-28 18:54     ` Daniel Jacobowitz
2005-07-28 19:05 ` Mike Stump
2005-07-28 19:43   ` Kean Johnston
2005-07-28 20:15     ` Gabriel Dos Reis
2005-07-28 20:33       ` Kean Johnston
2005-07-28 20:54     ` Mike Stump
2005-07-29 20:23       ` Kean Johnston
2005-07-29 21:18         ` Mike Stump
2005-07-29 22:03           ` Kean Johnston

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=20050728175405.GA29635@nevyn.them.org \
    --to=drow@false.org \
    --cc=gcc@gcc.gnu.org \
    --cc=jkj@sco.com \
    /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.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).