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-rw-r--r--contrib/libg++/libg++/src/AllocRing.cc110
1 files changed, 0 insertions, 110 deletions
diff --git a/contrib/libg++/libg++/src/AllocRing.cc b/contrib/libg++/libg++/src/AllocRing.cc
deleted file mode 100644
index 883288ab0480..000000000000
--- a/contrib/libg++/libg++/src/AllocRing.cc
+++ /dev/null
@@ -1,110 +0,0 @@
-// This may look like C code, but it is really -*- C++ -*-
-/*
-Copyright (C) 1989 Free Software Foundation
- written by Doug Lea (dl@rocky.oswego.edu)
-
-This file is part of the GNU C++ Library. This library is free
-software; you can redistribute it and/or modify it under the terms of
-the GNU Library General Public License as published by the Free
-Software Foundation; either version 2 of the License, 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 Library General Public License for more details.
-You should have received a copy of the GNU Library General Public
-License along with this library; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-*/
-
-#ifdef __GNUG__
-#pragma implementation
-#endif
-#include <std.h>
-#include <AllocRing.h>
-#include <new.h>
-
-AllocRing::AllocRing(int max)
- :nodes(new AllocQNode[max]), n(max), current(0)
-{
- for (int i = 0; i < n; ++i)
- {
- nodes[i].ptr = 0;
- nodes[i].sz = 0;
- }
-}
-
-int AllocRing::find(void* p)
-{
- if (p == 0) return -1;
-
- for (int i = 0; i < n; ++i)
- if (nodes[i].ptr == p)
- return i;
-
- return -1;
-}
-
-
-void AllocRing::clear()
-{
- for (int i = 0; i < n; ++i)
- {
- if (nodes[i].ptr != 0)
- {
- delete(nodes[i].ptr);
- nodes[i].ptr = 0;
- }
- nodes[i].sz = 0;
- }
- current = 0;
-}
-
-
-void AllocRing::free(void* p)
-{
- int idx = find(p);
- if (idx >= 0)
- {
- delete nodes[idx].ptr;
- nodes[idx].ptr = 0;
- }
-}
-
-AllocRing::~AllocRing()
-{
- clear();
-}
-
-int AllocRing::contains(void* p)
-{
- return find(p) >= 0;
-}
-
-static inline unsigned int good_size(unsigned int s)
-{
- unsigned int req = s + 4;
- unsigned int good = 8;
- while (good < req) good <<= 1;
- return good - 4;
-}
-
-void* AllocRing::alloc(int s)
-{
- unsigned int size = good_size(s);
-
- void* p;
- if (nodes[current].ptr != 0 &&
- nodes[current].sz >= int(size) &&
- nodes[current].sz < int(4 * size))
- p = nodes[current].ptr;
- else
- {
- if (nodes[current].ptr != 0) operator delete (nodes[current].ptr);
- p = operator new (size);
- nodes[current].ptr = p;
- nodes[current].sz = size;
- }
- ++current;
- if (current >= n) current = 0;
- return p;
-}