diff options
Diffstat (limited to 'libstdc++-v3/include/bits/vector.tcc')
| -rw-r--r-- | libstdc++-v3/include/bits/vector.tcc | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libstdc++-v3/include/bits/vector.tcc b/libstdc++-v3/include/bits/vector.tcc index e1097931048..846a0645d57 100644 --- a/libstdc++-v3/include/bits/vector.tcc +++ b/libstdc++-v3/include/bits/vector.tcc @@ -458,6 +458,59 @@ _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D) } } +#ifdef __GXX_EXPERIMENTAL_CXX0X__ + template<typename _Tp, typename _Alloc> + void + vector<_Tp, _Alloc>:: + _M_default_append(size_type __n) + { + if (__n != 0) + { + if (size_type(this->_M_impl._M_end_of_storage + - this->_M_impl._M_finish) >= __n) + { + std::__uninitialized_default_n_a(this->_M_impl._M_finish, + __n, _M_get_Tp_allocator()); + this->_M_impl._M_finish += __n; + } + else + { + const size_type __len = + _M_check_len(__n, "vector::_M_default_append"); + const size_type __old_size = this->size(); + pointer __new_start(this->_M_allocate(__len)); + pointer __new_finish(__new_start); + __try + { + __new_finish = + std::__uninitialized_move_a(this->_M_impl._M_start, + this->_M_impl._M_finish, + __new_start, + _M_get_Tp_allocator()); + std::__uninitialized_default_n_a(__new_finish, __n, + _M_get_Tp_allocator()); + __new_finish += __n; + } + __catch(...) + { + std::_Destroy(__new_start, __new_finish, + _M_get_Tp_allocator()); + _M_deallocate(__new_start, __len); + __throw_exception_again; + } + std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish, + _M_get_Tp_allocator()); + _M_deallocate(this->_M_impl._M_start, + this->_M_impl._M_end_of_storage + - this->_M_impl._M_start); + this->_M_impl._M_start = __new_start; + this->_M_impl._M_finish = __new_finish; + this->_M_impl._M_end_of_storage = __new_start + __len; + } + } + } +#endif + template<typename _Tp, typename _Alloc> template<typename _InputIterator> void |