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From: Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>
To: libc-alpha@sourceware.org, Andreas Schwab <schwab@linux-m68k.org>
Subject: Re: [PATCH v2] wchar: Define va_list for POSIX (BZ #30035)
Date: Thu, 25 May 2023 11:30:54 -0300	[thread overview]
Message-ID: <fb52c563-a0e6-8bf8-c593-6c78887c7a55@linaro.org> (raw)
In-Reply-To: <18ef4af7-d89d-01a7-628b-7287679eec06@linaro.org>

Ping (x3).

On 22/03/23 10:11, Adhemerval Zanella Netto wrote:
> Ping (x2).
> 
> On 09/02/23 16:43, Adhemerval Zanella Netto wrote:
>> Ping.
>>
>> On 24/01/23 14:49, Adhemerval Zanella wrote:
>>> This was uncovered by a recent clang change [1].  Different than ISO C,
>>> POSIX states that va_list should be exported by wchar.h [2].
>>>
>>> Checked on x86_64-linux-gnu and aarch64-linux-gnu.
>>>
>>> [1] https://reviews.llvm.org/D137268
>>> [2] https://pubs.opengroup.org/onlinepubs/9699919799.2018edition/basedefs/wchar.h.html
>>> ---
>>>  conform/data/wchar.h-data |  3 +++
>>>  wcsmbs/wchar.h            | 11 +++++++++++
>>>  2 files changed, 14 insertions(+)
>>>
>>> diff --git a/conform/data/wchar.h-data b/conform/data/wchar.h-data
>>> index e414651a33..0af74e14bc 100644
>>> --- a/conform/data/wchar.h-data
>>> +++ b/conform/data/wchar.h-data
>>> @@ -15,6 +15,9 @@ type size_t
>>>  type locale_t
>>>  # endif
>>>  tag {struct tm}
>>> +# if !defined ISO99 && !defined ISO11 && !defined UNIX98
>>> +type va_list
>>> +# endif
>>>  
>>>  function wint_t btowc (int)
>>>  function int fwprintf (FILE*, const wchar_t*, ...)
>>> diff --git a/wcsmbs/wchar.h b/wcsmbs/wchar.h
>>> index 69e920b8c2..ca145bb8d2 100644
>>> --- a/wcsmbs/wchar.h
>>> +++ b/wcsmbs/wchar.h
>>> @@ -37,6 +37,17 @@
>>>  #define __need___va_list
>>>  #include <stdarg.h>
>>>  
>>> +#if defined __USE_XOPEN2K || defined __USE_XOPEN2K8
>>> +# ifdef __GNUC__
>>> +#  ifndef _VA_LIST_DEFINED
>>> +typedef __gnuc_va_list va_list;
>>> +#   define _VA_LIST_DEFINED
>>> +#  endif
>>> +# else
>>> +#  include <stdarg.h>
>>> +# endif
>>> +#endif
>>> +
>>>  #include <bits/wchar.h>
>>>  #include <bits/types/wint_t.h>
>>>  #include <bits/types/mbstate_t.h>

  reply	other threads:[~2023-05-25 14:30 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-24 17:49 Adhemerval Zanella
2023-02-09 19:43 ` Adhemerval Zanella Netto
2023-03-22 13:11   ` Adhemerval Zanella Netto
2023-05-25 14:30     ` Adhemerval Zanella Netto [this message]
2023-05-25 15:15 ` Andreas Schwab
2023-05-25 16:43   ` Adhemerval Zanella Netto

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