summaryrefslogtreecommitdiff
path: root/libstdc++-v3/src/compatibility-list-2.cc
diff options
context:
space:
mode:
Diffstat (limited to 'libstdc++-v3/src/compatibility-list-2.cc')
-rw-r--r--libstdc++-v3/src/compatibility-list-2.cc111
1 files changed, 111 insertions, 0 deletions
diff --git a/libstdc++-v3/src/compatibility-list-2.cc b/libstdc++-v3/src/compatibility-list-2.cc
new file mode 100644
index 000000000..58f8cea55
--- /dev/null
+++ b/libstdc++-v3/src/compatibility-list-2.cc
@@ -0,0 +1,111 @@
+// Compatibility symbols for previous versions, list bits -*- C++ -*-
+
+// Copyright (C) 2011 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>
+
+#ifndef _GLIBCXX_BEGIN_NAMESPACE_COMPAT
+# define _GLIBCXX_BEGIN_NAMESPACE_COMPAT
+#endif
+
+#ifndef _GLIBCXX_END_NAMESPACE_COMPAT
+# define _GLIBCXX_END_NAMESPACE_COMPAT
+#endif
+
+namespace std _GLIBCXX_VISIBILITY(default)
+{
+_GLIBCXX_BEGIN_NAMESPACE_COMPAT
+
+ struct _List_node_base
+ {
+ _List_node_base* _M_next;
+ _List_node_base* _M_prev;
+
+ void
+ _M_transfer(_List_node_base * const __first,
+ _List_node_base * const __last) throw ();
+
+ void
+ _M_reverse() throw ();
+
+ void
+ _M_hook(_List_node_base * const __position) throw ();
+
+ void
+ _M_unhook() throw ();
+ };
+
+ void
+ _List_node_base::_M_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::_M_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::_M_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::_M_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_NAMESPACE_COMPAT
+
+} // namespace std