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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [libstdc++-v3/] [src/] [compatibility-list.cc] - Rev 847
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// Compatibility symbols for previous versions, list bits -*- C++ -*- // Copyright (C) 2010 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // <http://www.gnu.org/licenses/>. #include <bits/move.h> _GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D) struct _List_node_base { _List_node_base* _M_next; _List_node_base* _M_prev; void transfer(_List_node_base * const __first, _List_node_base * const __last) throw (); void reverse() throw (); void hook(_List_node_base * const __position) throw (); void unhook() throw (); }; void _List_node_base::transfer(_List_node_base * const __first, _List_node_base * const __last) throw () { if (this != __last) { // Remove [first, last) from its old position. __last->_M_prev->_M_next = this; __first->_M_prev->_M_next = __last; this->_M_prev->_M_next = __first; // Splice [first, last) into its new position. _List_node_base* const __tmp = this->_M_prev; this->_M_prev = __last->_M_prev; __last->_M_prev = __first->_M_prev; __first->_M_prev = __tmp; } } void _List_node_base::reverse() throw () { _List_node_base* __tmp = this; do { std::swap(__tmp->_M_next, __tmp->_M_prev); // Old next node is now prev. __tmp = __tmp->_M_prev; } while (__tmp != this); } void _List_node_base::hook(_List_node_base* const __position) throw () { this->_M_next = __position; this->_M_prev = __position->_M_prev; __position->_M_prev->_M_next = this; __position->_M_prev = this; } void _List_node_base::unhook() throw () { _List_node_base* const __next_node = this->_M_next; _List_node_base* const __prev_node = this->_M_prev; __prev_node->_M_next = __next_node; __next_node->_M_prev = __prev_node; } _GLIBCXX_END_NESTED_NAMESPACE
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