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[PATCH] Temporary_buffer and rb_tree to ext/memory-rb_tree


Hi,

the header says it all. Tested i686-pc-linux-gnu, as usual.

Cheers,
Paolo.

//////////////////

2002-01-04  Paolo Carlini  <pcarlini@unitus.it>

        * include/bits/stl_tree.h (struct rb_tree):  Move to...
        * include/ext/rb_tree:  ...here, new file.
        * include/Makefile.am (ext_headers):  Add new file.
        * include/Makefile.in:  Regenerate.
        * include/bits/stl_tempbuf.h (get_temporary_buffer + helper,
        return_temporary_buffer, struct temporary_buffer):  Move to...
        * include/ext/memory:  ...here.
        * testsuite/ext/headers.cc:  Include <ext/rb_tree>.
        * include/backward/tempbuf.h:  Include <ext/memory>, tweak.
        * include/backward/tree.h:  Include <ext/rb_tree), tweak.

diff -urN libstdc++-v3-orig/include/Makefile.am libstdc++-v3/include/Makefile.am

--- libstdc++-v3-orig/include/Makefile.am Wed Jan  2 13:48:38 2002
+++ libstdc++-v3/include/Makefile.am Fri Jan  4 13:53:17 2002
@@ -179,6 +179,7 @@
  ${ext_srcdir}/iterator \
  ${ext_srcdir}/memory \
  ${ext_srcdir}/numeric \
+ ${ext_srcdir}/rb_tree \
  ${ext_srcdir}/rope \
  ${ext_srcdir}/ropeimpl.h \
  ${ext_srcdir}/slist \
diff -urN libstdc++-v3-orig/include/backward/tempbuf.h
libstdc++-v3/include/backward/tempbuf.h
--- libstdc++-v3-orig/include/backward/tempbuf.h Wed Jun 27 19:09:52 2001
+++ libstdc++-v3/include/backward/tempbuf.h Fri Jan  4 13:51:38 2002
@@ -65,11 +65,11 @@
 #include <bits/type_traits.h>
 #include <bits/stl_construct.h>
 #include <bits/stl_uninitialized.h>
-#include <bits/stl_tempbuf.h>
+#include <ext/memory>

-using std::get_temporary_buffer;
-using std::return_temporary_buffer;
-using std::temporary_buffer;
+using __gnu_cxx::get_temporary_buffer;
+using __gnu_cxx::return_temporary_buffer;
+using __gnu_cxx::temporary_buffer;

 #endif /* _CPP_BACKWARD_TEMPBUF_H */

diff -urN libstdc++-v3-orig/include/backward/tree.h
libstdc++-v3/include/backward/tree.h
--- libstdc++-v3-orig/include/backward/tree.h Wed Jun 27 19:09:52 2001
+++ libstdc++-v3/include/backward/tree.h Fri Jan  4 13:50:36 2002
@@ -45,9 +45,9 @@
 #define _CPP_EXT_TREE 1

 #include "backward_warning.h"
-#include <bits/stl_tree.h>
+#include <ext/rb_tree>

-using std::rb_tree;
+using __gnu_cxx::rb_tree;

 #endif
 // Local Variables:
diff -urN libstdc++-v3-orig/include/bits/stl_tempbuf.h
libstdc++-v3/include/bits/stl_tempbuf.h
--- libstdc++-v3-orig/include/bits/stl_tempbuf.h Mon Dec 31 17:32:43 2001
+++ libstdc++-v3/include/bits/stl_tempbuf.h Fri Jan  4 13:47:54 2002
@@ -64,40 +64,6 @@
 namespace std
 {

-template <class _Tp>
-pair<_Tp*, ptrdiff_t>
-__get_temporary_buffer(ptrdiff_t __len, _Tp*)
-{
-  if (__len > ptrdiff_t(INT_MAX / sizeof(_Tp)))
-    __len = INT_MAX / sizeof(_Tp);
-
-  while (__len > 0) {
-    _Tp* __tmp = (_Tp*) malloc((size_t)__len * sizeof(_Tp));
-    if (__tmp != 0)
-      return pair<_Tp*, ptrdiff_t>(__tmp, __len);
-    __len /= 2;
-  }
-
-  return pair<_Tp*, ptrdiff_t>((_Tp*)0, 0);
-}
-
-/**
- *  This is a mostly-useless wrapper around malloc().
-*/
-template <class _Tp>
-inline pair<_Tp*, ptrdiff_t> get_temporary_buffer(ptrdiff_t __len) {
-  return __get_temporary_buffer(__len, (_Tp*) 0);
-}
-
-/**
- *  The companion to get_temporary_buffer().
-*/
-template <class _Tp>
-void return_temporary_buffer(_Tp* __p) {
-  free(__p);
-}
-
-
 template <class _ForwardIterator, class _Tp>
 class _Temporary_buffer {
 private:
@@ -160,19 +126,6 @@
   // Disable copy constructor and assignment operator.
   _Temporary_buffer(const _Temporary_buffer&) {}
   void operator=(const _Temporary_buffer&) {}
-};
-
-// Class temporary_buffer is not part of the standard.  It is an extension.
-
-template <class _ForwardIterator,
-          class _Tp
-                    = typename iterator_traits<_ForwardIterator>::value_type
-         >
-struct temporary_buffer : public _Temporary_buffer<_ForwardIterator, _Tp>
-{
-  temporary_buffer(_ForwardIterator __first, _ForwardIterator __last)
-    : _Temporary_buffer<_ForwardIterator, _Tp>(__first, __last) {}
-  ~temporary_buffer() {}
 };

 } // namespace std
diff -urN libstdc++-v3-orig/include/bits/stl_tree.h
libstdc++-v3/include/bits/stl_tree.h
--- libstdc++-v3-orig/include/bits/stl_tree.h Mon Dec 31 17:32:43 2001
+++ libstdc++-v3/include/bits/stl_tree.h Fri Jan  4 13:46:17 2002
@@ -1288,23 +1288,6 @@
   return true;
 }

-// Class rb_tree is not part of the C++ standard.  It is provided for
-// compatibility with the HP STL.
-
-template <class _Key, class _Value, class _KeyOfValue, class _Compare,
-          class _Alloc = allocator<_Value> >
-struct rb_tree : public _Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc>
-{
-  typedef _Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc> _Base;
-  typedef typename _Base::allocator_type allocator_type;
-
-  rb_tree(const _Compare& __comp = _Compare(),
-          const allocator_type& __a = allocator_type())
-    : _Base(__comp, __a) {}
-
-  ~rb_tree() {}
-};
-
 } // namespace std

 #endif /* __GLIBCPP_INTERNAL_TREE_H */
diff -urN libstdc++-v3-orig/include/ext/memory libstdc++-v3/include/ext/memory
--- libstdc++-v3-orig/include/ext/memory Tue Jan  1 20:33:08 2002
+++ libstdc++-v3/include/ext/memory Fri Jan  4 14:51:49 2002
@@ -61,8 +61,10 @@

 namespace __gnu_cxx
 {
+  using std::ptrdiff_t;
   using std::pair;
   using std::__iterator_category;
+  using std::_Temporary_buffer;

   // uninitialized_copy_n (not part of the C++ standard)

@@ -121,6 +123,52 @@
       return __uninitialized_copy_n(__first, __count, __result,
         __iterator_category(__first));
     }
+
+  template <class _Tp>
+  pair<_Tp*, ptrdiff_t>
+  __get_temporary_buffer(ptrdiff_t __len, _Tp*)
+  {
+    if (__len > ptrdiff_t(INT_MAX / sizeof(_Tp)))
+      __len = INT_MAX / sizeof(_Tp);
+
+    while (__len > 0) {
+      _Tp* __tmp = (_Tp*) std::malloc((std::size_t)__len * sizeof(_Tp));
+      if (__tmp != 0)
+ return pair<_Tp*, ptrdiff_t>(__tmp, __len);
+      __len /= 2;
+    }
+
+    return pair<_Tp*, ptrdiff_t>((_Tp*)0, 0);
+  }
+
+  /**
+   *  This is a mostly-useless wrapper around malloc().
+   */
+  template <class _Tp>
+  inline pair<_Tp*, ptrdiff_t> get_temporary_buffer(ptrdiff_t __len) {
+    return __get_temporary_buffer(__len, (_Tp*) 0);
+  }
+
+  /**
+   *  The companion to get_temporary_buffer().
+   */
+  template <class _Tp>
+  void return_temporary_buffer(_Tp* __p) {
+    std::free(__p);
+  }
+
+  // Class temporary_buffer is not part of the standard.  It is an extension.
+
+  template <class _ForwardIterator,
+     class _Tp
+     = typename std::iterator_traits<_ForwardIterator>::value_type
+  >
+  struct temporary_buffer : public _Temporary_buffer<_ForwardIterator, _Tp>
+  {
+    temporary_buffer(_ForwardIterator __first, _ForwardIterator __last)
+      : _Temporary_buffer<_ForwardIterator, _Tp>(__first, __last) {}
+    ~temporary_buffer() {}
+  };

 } // namespace __gnu_cxx

diff -urN libstdc++-v3-orig/include/ext/rb_tree libstdc++-v3/include/ext/rb_tree

--- libstdc++-v3-orig/include/ext/rb_tree Thu Jan  1 01:00:00 1970
+++ libstdc++-v3/include/ext/rb_tree Fri Jan  4 13:47:49 2002
@@ -0,0 +1,86 @@
+// rb_tree extension -*- C++ -*-
+
+// Copyright (C) 2002 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 2, 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.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING.  If not, write to the Free
+// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// USA.
+
+// As a special exception, you may use this file as part of a free software
+// library without restriction.  Specifically, if other files instantiate
+// templates or use macros or inline functions from this file, or you compile
+// this file and link it with other files to produce an executable, this
+// file does not by itself cause the resulting executable to be covered by
+// the GNU General Public License.  This exception does not however
+// invalidate any other reasons why the executable file might be covered by
+// the GNU General Public License.
+
+/*
+ *
+ * Copyright (c) 1994
+ * Hewlett-Packard Company
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Hewlett-Packard Company makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ *
+ * Copyright (c) 1996
+ * Silicon Graphics Computer Systems, Inc.
+ *
+ * Permission to use, copy, modify, distribute and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appear in all copies and
+ * that both that copyright notice and this permission notice appear
+ * in supporting documentation.  Silicon Graphics makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ */
+
+#ifndef _EXT_RB_TREE
+#define _EXT_RB_TREE
+
+#pragma GCC system_header
+#include <bits/stl_tree.h>
+
+namespace __gnu_cxx
+{
+using std::_Rb_tree;
+using std::allocator;
+
+// Class rb_tree is not part of the C++ standard.  It is provided for
+// compatibility with the HP STL.
+
+template <class _Key, class _Value, class _KeyOfValue, class _Compare,
+          class _Alloc = allocator<_Value> >
+struct rb_tree : public _Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc>
+{
+  typedef _Rb_tree<_Key, _Value, _KeyOfValue, _Compare, _Alloc> _Base;
+  typedef typename _Base::allocator_type allocator_type;
+
+  rb_tree(const _Compare& __comp = _Compare(),
+          const allocator_type& __a = allocator_type())
+    : _Base(__comp, __a) {}
+
+  ~rb_tree() {}
+};
+
+} // namespace __gnu_cxx
+
+#endif /* _EXT_RB_TREE */
diff -urN libstdc++-v3-orig/testsuite/ext/headers.cc
libstdc++-v3/testsuite/ext/headers.cc
--- libstdc++-v3-orig/testsuite/ext/headers.cc Wed Jan  2 14:44:02 2002
+++ libstdc++-v3/testsuite/ext/headers.cc Fri Jan  4 13:53:54 2002
@@ -30,6 +30,7 @@
 #include <ext/iterator>
 #include <ext/memory>
 #include <ext/numeric>
+#include <ext/rb_tree>
 #include <ext/rope>
 #include <ext/slist>




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