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wchar: Define va_list for POSIX (BZ #30035)
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
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@ -15,6 +15,11 @@ type size_t
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type locale_t
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# endif
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tag {struct tm}
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# if !defined ISO99 && !defined ISO11 && !defined UNIX98
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type va_list
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# else
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# define va_list __gnuc_va_list
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# endif
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function wint_t btowc (int)
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function int fwprintf (FILE*, const wchar_t*, ...)
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@ -59,17 +64,17 @@ function wint_t towlower (wint_t)
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function wint_t towupper (wint_t)
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# endif
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function wint_t ungetwc (wint_t, FILE*)
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function int vfwprintf (FILE*, const wchar_t*, __gnuc_va_list)
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function int vfwprintf (FILE*, const wchar_t*, va_list)
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# ifndef UNIX98
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function int vfwscanf (FILE*, const wchar_t*, __gnuc_va_list)
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function int vfwscanf (FILE*, const wchar_t*, va_list)
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# endif
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function int vwprintf (const wchar_t*, __gnuc_va_list)
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function int vwprintf (const wchar_t*, va_list)
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# ifndef UNIX98
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function int vwscanf (const wchar_t*, __gnuc_va_list)
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function int vwscanf (const wchar_t*, va_list)
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# endif
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function int vswprintf (wchar_t*, size_t, const wchar_t*, __gnuc_va_list)
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function int vswprintf (wchar_t*, size_t, const wchar_t*, va_list)
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# ifndef UNIX98
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function int vswscanf (const wchar_t*, const wchar_t*, __gnuc_va_list)
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function int vswscanf (const wchar_t*, const wchar_t*, va_list)
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# endif
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# if defined XOPEN2K8 || defined POSIX2008
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function {wchar_t*} wcpcpy (wchar_t*, const wchar_t*)
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@ -37,6 +37,17 @@
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#define __need___va_list
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#include <stdarg.h>
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#if defined __USE_XOPEN2K || defined __USE_XOPEN2K8
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# ifdef __GNUC__
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# ifndef _VA_LIST_DEFINED
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typedef __gnuc_va_list va_list;
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# define _VA_LIST_DEFINED
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# endif
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# else
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# include <stdarg.h>
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# endif
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#endif
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#include <bits/wchar.h>
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#include <bits/types/wint_t.h>
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#include <bits/types/mbstate_t.h>
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