Date: Wed, 27 Aug 2008 16:27:58 +0200
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: printf: %ls or %S does not work when string is of length 1.
Message-ID: <20080827142758.GA14761@calimero.vinschen.de>
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On Aug 27 15:54, Amaury Forgeot d'Arc wrote:
> Hello,
> it seems that cygwin does not correctly handle the %ls format when the
> given string
> has only one character.
> 
> The following program should print
>     Test 1 (T)
> and that's what it does on Linux 64bit and Windows, when compiled with VS8.0
> 
> But cygwin's output is
>     Test 1
> 
> I've seen this only for 1-wchar strings.
> This is will be a problem with the upcoming python 3.0 interpreter, as
> reported here:
> http://bugs.python.org/issue3626
> 
> Is there a problem with cygwin's implementation, or did I miss
> something obvious?
> 
> 
> /* ======================================== */
> #include <stdio.h>
> int main()
> {
>   wchar_t text[] = L"T";
>   printf("Test %d (%ls)\n", wcslen(text), text);
> }
> /* ======================================== */

Thanks for the testcase.  This looks like a bug in the newlib function
_wcsrtombs_r.  I'll send a bug report and a proposed fix upstream.
This will be fixed in Cygwin 1.7.


Thanks again,
Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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