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From: Michael Stefaniuc <mstefani@redhat.com>
To: Al Viro <viro@ftp.linux.org.uk>
Cc: Josh Triplett <josh@freedesktop.org>, linux-sparse@vger.kernel.org
Subject: Re: [patchset] rewrite of initializer handling
Date: Wed, 20 Jun 2007 23:29:13 +0200	[thread overview]
Message-ID: <46799C29.3080209@redhat.com> (raw)
In-Reply-To: <4678EB2A.7000106@redhat.com>

Michael Stefaniuc wrote:
> Al Viro wrote:
>> On Tue, Jun 19, 2007 at 10:15:49PM +0200, Michael Stefaniuc wrote:
>>> Not sure if this is a poll but -Wparen-string doesn't add any new
>>> warnings to the Wine run. And Wine has a "strange" way of specifying
>>> wide char strings.
>>
>> Oh?  FWIW, C99 way is L"......" for wide string literals and L'...' for
> I know but that is not portable. A wchar is 16bit on Windows and 32bit
> in the normal world. gcc has the -fshort-wchar switch to make a wchar
> 16bit but that still produces problems; afair when bridging between the
> hosts native 32bit wchar and Windows 16bit wchar. To avoid that Wine uses:
> WCHAR s[] = {'H','e','l','l','o',' ','W','o','r','l','d',0};
> 
>> wide character ones.  sparse doesn't handle either and I'm not sure if
>> we really want to open that can of worms...
> There are only 6 .c files (out of around 2000) that do not parse in Wine
> due to missing support wide char character constant / string literal.
> I had a look at sparse on how to fix it but it seems to require more
> than some trivial changes. I mean to implement it correctly and not just
> to stop sparse from mis parsing the rest of the file too.
Duh ... my bad; i should have looked better. The files i thought sparse
 mis parses after it encounters the L'...' have a lot of wide character
constants in them thus giving the impression that sparse would not be
recovering from the error.

bye
	michael
-- 
Michael Stefaniuc               Tel.: +49-711-96437-199
Sr. Network Engineer            Fax.: +49-711-96437-111
Red Hat GmbH                    Email: mstefani@redhat.com
Hauptstaetterstr. 58            http://www.redhat.de/
D-70178 Stuttgart

  reply	other threads:[~2007-06-20 21:29 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-18 10:19 [patchset] rewrite of initializer handling Al Viro
2007-06-18 10:26 ` Al Viro
2007-06-18 17:07 ` Linus Torvalds
2007-06-18 18:02   ` Josh Triplett
2007-06-18 19:30     ` Al Viro
2007-06-18 18:19 ` Josh Triplett
2007-06-18 19:16   ` Al Viro
2007-06-18 19:27     ` Linus Torvalds
2007-06-18 21:46     ` Michael Stefaniuc
2007-06-18 22:43       ` Al Viro
2007-06-19  9:47         ` Michael Stefaniuc
2007-06-19 20:15     ` Michael Stefaniuc
2007-06-19 22:41       ` Al Viro
2007-06-20  8:54         ` Michael Stefaniuc
2007-06-20 21:29           ` Michael Stefaniuc [this message]
  -- strict thread matches above, loose matches on Subject: below --
2007-06-19 17:12 Alexey Dobriyan
2007-06-19 17:21 ` Al Viro
2007-06-19 22:33   ` Al Viro

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