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 18typedef _VSTD::remove_pointer<locale_t>::type __locale_struct; 19typedef _VSTD::unique_ptr<__locale_struct, decltype(&uselocale)> __locale_raii; 20 21// FIXME: base currently unused. Needs manual work to construct the new locale 22locale_t newlocale( int mask, const char * locale, locale_t /*base*/ ) 23{ 24 return _create_locale( mask, locale ); 25} 26locale_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} 40lconv *localeconv_l( locale_t loc ) 41{ 42 __locale_raii __current( uselocale(loc), uselocale ); 43 return localeconv(); 44} 45size_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} 51size_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} 57size_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} 63size_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} 69size_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} 75size_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} 81wint_t btowc_l( int c, locale_t loc ) 82{ 83 __locale_raii __current( uselocale(loc), uselocale ); 84 return btowc( c ); 85} 86int wctob_l( wint_t c, locale_t loc ) 87{ 88 __locale_raii __current( uselocale(loc), uselocale ); 89 return wctob( c ); 90} 91 92int 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 102int 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} 110int 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