81 lines
2.6 KiB
C++
81 lines
2.6 KiB
C++
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/*************************************************************************
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* *
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* Open Dynamics Engine, Copyright (C) 2001,2002 Russell L. Smith. *
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* All rights reserved. Email: russ@q12.org Web: www.q12.org *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of EITHER: *
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* (1) The GNU Lesser General Public License as published by the Free *
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* Software Foundation; either version 2.1 of the License, or (at *
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* your option) any later version. The text of the GNU Lesser *
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* General Public License is included with this library in the *
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* file LICENSE.TXT. *
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* (2) The BSD-style license that is included with this library in *
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* the file LICENSE-BSD.TXT. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the files *
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* LICENSE.TXT and LICENSE-BSD.TXT for more details. *
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* *
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*************************************************************************/
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#include <ode/config.h>
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#include <ode/memory.h>
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#include <ode/error.h>
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#include "array.h"
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static inline int roundUpToPowerOfTwo (int x)
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{
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int i = 1;
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while (i < x) i <<= 1;
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return i;
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}
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void dArrayBase::_freeAll (int sizeofT)
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{
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if (_data) {
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if (_data == this+1) return; // if constructLocalArray() was called
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dFree (_data,_anum * sizeofT);
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}
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}
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void dArrayBase::_setSize (int newsize, int sizeofT)
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{
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if (newsize < 0) return;
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if (newsize > _anum) {
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if (_data == this+1) {
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// this is a no-no, because constructLocalArray() was called
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dDebug (0,"setSize() out of space in LOCAL array");
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}
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int newanum = roundUpToPowerOfTwo (newsize);
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if (_data) _data = dRealloc (_data, _anum*sizeofT, newanum*sizeofT);
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else _data = dAlloc (newanum*sizeofT);
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_anum = newanum;
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}
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_size = newsize;
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}
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void * dArrayBase::operator new (size_t size)
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{
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return dAlloc (size);
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}
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void dArrayBase::operator delete (void *ptr, size_t size)
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{
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dFree (ptr,size);
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}
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void dArrayBase::constructLocalArray (int __anum)
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{
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_size = 0;
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_anum = __anum;
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_data = this+1;
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}
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