diff options
Diffstat (limited to 'contrib/libs/cxxsupp/libcxx/src/include/sso_allocator.h')
| -rw-r--r-- | contrib/libs/cxxsupp/libcxx/src/include/sso_allocator.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/contrib/libs/cxxsupp/libcxx/src/include/sso_allocator.h b/contrib/libs/cxxsupp/libcxx/src/include/sso_allocator.h index 6a682fc43f..679a3b9a15 100644 --- a/contrib/libs/cxxsupp/libcxx/src/include/sso_allocator.h +++ b/contrib/libs/cxxsupp/libcxx/src/include/sso_allocator.h @@ -11,6 +11,7 @@ #define _LIBCPP_SSO_ALLOCATOR_H #include <__config> +#include <cstddef> #include <memory> #include <new> #include <type_traits> @@ -34,7 +35,7 @@ public: template <class _Tp, size_t _Np> class _LIBCPP_HIDDEN __sso_allocator { - typename aligned_storage<sizeof(_Tp) * _Np>::type buf_; + alignas(_Tp) std::byte buf_[sizeof(_Tp) * _Np]; bool __allocated_; public: typedef size_t size_type; @@ -46,14 +47,14 @@ public: using other = __sso_allocator<U, _Np>; }; - _LIBCPP_INLINE_VISIBILITY __sso_allocator() throw() : __allocated_(false) {} - _LIBCPP_INLINE_VISIBILITY __sso_allocator(const __sso_allocator&) throw() : __allocated_(false) {} - template <class _Up> _LIBCPP_INLINE_VISIBILITY __sso_allocator(const __sso_allocator<_Up, _Np>&) throw() + _LIBCPP_HIDE_FROM_ABI __sso_allocator() throw() : __allocated_(false) {} + _LIBCPP_HIDE_FROM_ABI __sso_allocator(const __sso_allocator&) throw() : __allocated_(false) {} + template <class _Up> _LIBCPP_HIDE_FROM_ABI __sso_allocator(const __sso_allocator<_Up, _Np>&) throw() : __allocated_(false) {} private: __sso_allocator& operator=(const __sso_allocator&); public: - _LIBCPP_INLINE_VISIBILITY pointer allocate(size_type __n, typename __sso_allocator<void, _Np>::const_pointer = nullptr) + _LIBCPP_HIDE_FROM_ABI pointer allocate(size_type __n, typename __sso_allocator<void, _Np>::const_pointer = nullptr) { if (!__allocated_ && __n <= _Np) { @@ -62,18 +63,18 @@ public: } return allocator<_Tp>().allocate(__n); } - _LIBCPP_INLINE_VISIBILITY void deallocate(pointer __p, size_type __n) + _LIBCPP_HIDE_FROM_ABI void deallocate(pointer __p, size_type __n) { if (__p == (pointer)&buf_) __allocated_ = false; else allocator<_Tp>().deallocate(__p, __n); } - _LIBCPP_INLINE_VISIBILITY size_type max_size() const throw() {return size_type(~0) / sizeof(_Tp);} + _LIBCPP_HIDE_FROM_ABI size_type max_size() const throw() {return size_type(~0) / sizeof(_Tp);} - _LIBCPP_INLINE_VISIBILITY + _LIBCPP_HIDE_FROM_ABI bool operator==(const __sso_allocator& __a) const {return &buf_ == &__a.buf_;} - _LIBCPP_INLINE_VISIBILITY + _LIBCPP_HIDE_FROM_ABI bool operator!=(const __sso_allocator& __a) const {return &buf_ != &__a.buf_;} }; |