85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/*
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* $Id$
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*
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Copyright (c) 2006-2019 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <qse/cmn/HeapMmgr.hpp>
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#include <qse/cmn/xma.h>
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/////////////////////////////////
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QSE_BEGIN_NAMESPACE(QSE)
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/////////////////////////////////
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struct xma_xtn_t
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{
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HeapMmgr* heap;
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};
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HeapMmgr::HeapMmgr (qse_size_t heap_size, Mmgr* mmgr) QSE_CPP_NOEXCEPT:
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Mmgr(), Mmged(mmgr), xma(QSE_NULL), heap_size (heap_size)
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{
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}
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HeapMmgr::~HeapMmgr () QSE_CPP_NOEXCEPT
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{
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if (this->xma) qse_xma_close (this->xma);
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}
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void* HeapMmgr::allocMem (qse_size_t n) QSE_CPP_NOEXCEPT
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{
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if (!this->xma)
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{
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this->xma = qse_xma_open(this->getMmgr(), QSE_SIZEOF(xma_xtn_t), QSE_NULL, heap_size);
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if (!this->xma) return QSE_NULL;
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xma_xtn_t* xtn = (xma_xtn_t*)qse_xma_getxtn(this->xma);
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xtn->heap = this;
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}
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return qse_xma_alloc(this->xma, n);
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}
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void* HeapMmgr::reallocMem (void* ptr, qse_size_t n) QSE_CPP_NOEXCEPT
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{
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if (!this->xma)
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{
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this->xma = qse_xma_open(this->getMmgr(), QSE_SIZEOF(xma_xtn_t), QSE_NULL, heap_size);
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if (!this->xma) return QSE_NULL;
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xma_xtn_t* xtn = (xma_xtn_t*)qse_xma_getxtn(this->xma);
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xtn->heap = this;
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}
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return qse_xma_realloc(this->xma, ptr, n);
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}
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void HeapMmgr::freeMem (void* ptr) QSE_CPP_NOEXCEPT
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{
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if (this->xma) qse_xma_free (this->xma, ptr);
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}
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/////////////////////////////////
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QSE_END_NAMESPACE(QSE)
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/////////////////////////////////
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