2 //===-------------------- support/win32/locale_win32.cpp ------------------===//
4 // The LLVM Compiler Infrastructure
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
9 //===----------------------------------------------------------------------===//
12 #include <cstdarg> // va_start, va_end
14 #include <type_traits>
16 #include <crtversion.h>
18 typedef _VSTD::remove_pointer<locale_t>::type __locale_struct;
19 typedef _VSTD::unique_ptr<__locale_struct, decltype(&uselocale)> __locale_raii;
21 // FIXME: base currently unused. Needs manual work to construct the new locale
22 locale_t newlocale( int mask, const char * locale, locale_t /*base*/ )
24 return _create_locale( mask, locale );
26 locale_t uselocale( locale_t newloc )
28 locale_t old_locale = _get_current_locale();
31 // uselocale sets the thread's locale by definition, so unconditionally use thread-local locale
32 _configthreadlocale( _ENABLE_PER_THREAD_LOCALE );
33 // uselocale sets all categories
34 #if _VC_CRT_MAJOR_VERSION < 14
35 setlocale( LC_ALL, newloc->locinfo->lc_category[LC_ALL].locale );
37 // uselocale returns the old locale_t
40 lconv *localeconv_l( locale_t loc )
42 __locale_raii __current( uselocale(loc), uselocale );
45 size_t mbrlen_l( const char *__restrict s, size_t n,
46 mbstate_t *__restrict ps, locale_t loc )
48 __locale_raii __current( uselocale(loc), uselocale );
49 return mbrlen( s, n, ps );
51 size_t mbsrtowcs_l( wchar_t *__restrict dst, const char **__restrict src,
52 size_t len, mbstate_t *__restrict ps, locale_t loc )
54 __locale_raii __current( uselocale(loc), uselocale );
55 return mbsrtowcs( dst, src, len, ps );
57 size_t wcrtomb_l( char *__restrict s, wchar_t wc, mbstate_t *__restrict ps,
60 __locale_raii __current( uselocale(loc), uselocale );
61 return wcrtomb( s, wc, ps );
63 size_t mbrtowc_l( wchar_t *__restrict pwc, const char *__restrict s,
64 size_t n, mbstate_t *__restrict ps, locale_t loc )
66 __locale_raii __current( uselocale(loc), uselocale );
67 return mbrtowc( pwc, s, n, ps );
69 size_t mbsnrtowcs_l( wchar_t *__restrict dst, const char **__restrict src,
70 size_t nms, size_t len, mbstate_t *__restrict ps, locale_t loc )
72 __locale_raii __current( uselocale(loc), uselocale );
73 return mbsnrtowcs( dst, src, nms, len, ps );
75 size_t wcsnrtombs_l( char *__restrict dst, const wchar_t **__restrict src,
76 size_t nwc, size_t len, mbstate_t *__restrict ps, locale_t loc )
78 __locale_raii __current( uselocale(loc), uselocale );
79 return wcsnrtombs( dst, src, nwc, len, ps );
81 wint_t btowc_l( int c, locale_t loc )
83 __locale_raii __current( uselocale(loc), uselocale );
86 int wctob_l( wint_t c, locale_t loc )
88 __locale_raii __current( uselocale(loc), uselocale );
92 int snprintf_l(char *ret, size_t n, locale_t loc, const char *format, ...)
94 __locale_raii __current( uselocale(loc), uselocale );
96 va_start( ap, format );
97 int result = vsnprintf( ret, n, format, ap );
102 int asprintf_l( char **ret, locale_t loc, const char *format, ... )
105 va_start( ap, format );
106 int result = vasprintf_l( ret, loc, format, ap );
110 int vasprintf_l( char **ret, locale_t loc, const char *format, va_list ap )
112 __locale_raii __current( uselocale(loc), uselocale );
113 return vasprintf( ret, format, ap );