1 // -*- C++ -*- 2 //===-------------------- support/win32/locale_win32.cpp ------------------===// 3 // 4 // The LLVM Compiler Infrastructure 5 // 6 // This file is dual licensed under the MIT and the University of Illinois Open 7 // Source Licenses. See LICENSE.TXT for details. 8 // 9 //===----------------------------------------------------------------------===// 10 11 #include <locale> 12 #include <cstdarg> // va_start, va_end 13 #include <memory> 14 #include <type_traits> 15 16 #include <crtversion.h> 17 18 typedef _VSTD::remove_pointer<locale_t>::type __locale_struct; 19 typedef _VSTD::unique_ptr<__locale_struct, decltype(&uselocale)> __locale_raii; 20 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*/ ) 23 { 24 return _create_locale( mask, locale ); 25 } 26 locale_t uselocale( locale_t newloc ) 27 { 28 locale_t old_locale = _get_current_locale(); 29 if ( newloc == NULL ) 30 return old_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 ); 36 #endif 37 // uselocale returns the old locale_t 38 return old_locale; 39 } 40 lconv *localeconv_l( locale_t loc ) 41 { 42 __locale_raii __current( uselocale(loc), uselocale ); 43 return localeconv(); 44 } 45 size_t mbrlen_l( const char *__restrict s, size_t n, 46 mbstate_t *__restrict ps, locale_t loc ) 47 { 48 __locale_raii __current( uselocale(loc), uselocale ); 49 return mbrlen( s, n, ps ); 50 } 51 size_t mbsrtowcs_l( wchar_t *__restrict dst, const char **__restrict src, 52 size_t len, mbstate_t *__restrict ps, locale_t loc ) 53 { 54 __locale_raii __current( uselocale(loc), uselocale ); 55 return mbsrtowcs( dst, src, len, ps ); 56 } 57 size_t wcrtomb_l( char *__restrict s, wchar_t wc, mbstate_t *__restrict ps, 58 locale_t loc ) 59 { 60 __locale_raii __current( uselocale(loc), uselocale ); 61 return wcrtomb( s, wc, ps ); 62 } 63 size_t mbrtowc_l( wchar_t *__restrict pwc, const char *__restrict s, 64 size_t n, mbstate_t *__restrict ps, locale_t loc ) 65 { 66 __locale_raii __current( uselocale(loc), uselocale ); 67 return mbrtowc( pwc, s, n, ps ); 68 } 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 ) 71 { 72 __locale_raii __current( uselocale(loc), uselocale ); 73 return mbsnrtowcs( dst, src, nms, len, ps ); 74 } 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 ) 77 { 78 __locale_raii __current( uselocale(loc), uselocale ); 79 return wcsnrtombs( dst, src, nwc, len, ps ); 80 } 81 wint_t btowc_l( int c, locale_t loc ) 82 { 83 __locale_raii __current( uselocale(loc), uselocale ); 84 return btowc( c ); 85 } 86 int wctob_l( wint_t c, locale_t loc ) 87 { 88 __locale_raii __current( uselocale(loc), uselocale ); 89 return wctob( c ); 90 } 91 92 int snprintf_l(char *ret, size_t n, locale_t loc, const char *format, ...) 93 { 94 __locale_raii __current( uselocale(loc), uselocale ); 95 va_list ap; 96 va_start( ap, format ); 97 int result = vsnprintf( ret, n, format, ap ); 98 va_end(ap); 99 return result; 100 } 101 102 int asprintf_l( char **ret, locale_t loc, const char *format, ... ) 103 { 104 va_list ap; 105 va_start( ap, format ); 106 int result = vasprintf_l( ret, loc, format, ap ); 107 va_end(ap); 108 return result; 109 } 110 int vasprintf_l( char **ret, locale_t loc, const char *format, va_list ap ) 111 { 112 __locale_raii __current( uselocale(loc), uselocale ); 113 return vasprintf( ret, format, ap ); 114 } 115
