Re: [PATCH v2] wchar: Define va_list for POSIX (BZ #30035)

[Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>]

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>