diff options
Diffstat (limited to 'include/__locale')
| -rw-r--r-- | include/__locale | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/__locale b/include/__locale index 4184e7e03489b..cf3ba23b9092f 100644 --- a/include/__locale +++ b/include/__locale @@ -49,6 +49,25 @@ _LIBCPP_BEGIN_NAMESPACE_STD +#if !defined(_LIBCPP_LOCALE__L_EXTENSIONS) || defined(_LIBCPP_MSVCRT) +struct __libcpp_locale_guard { + _LIBCPP_INLINE_VISIBILITY + __libcpp_locale_guard(locale_t& __loc) : __old_loc_(uselocale(__loc)) {} + + _LIBCPP_INLINE_VISIBILITY + ~__libcpp_locale_guard() { + if (__old_loc_) + uselocale(__old_loc_); + } + + locale_t __old_loc_; +private: + __libcpp_locale_guard(__libcpp_locale_guard const&); + __libcpp_locale_guard& operator=(__libcpp_locale_guard const&); +}; +#endif + + class _LIBCPP_TYPE_VIS locale; template <class _Facet> |