50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
/*
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* @(#)_rawstack.cxx 1.0 3/30/98
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*
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* Copyright (C) 1998,1999 Microsoft Corporation. All rights reserved. *
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*/
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#include "stdinc.h"
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#include "core.hxx"
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#pragma hdrstop
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#include "_rawstack.hxx"
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//===========================================================================
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RawStack::RawStack(long entrySize, long growth)
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{
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_lEntrySize = entrySize;
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_pStack = NULL;
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_ncUsed = _ncSize = 0;
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_lGrowth = growth;
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}
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RawStack::~RawStack()
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{
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delete _pStack;
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}
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char*
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RawStack::__push()
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{
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// No magic object construction -- user has to do this.
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#ifdef FUSION_USE_OLD_XML_PARSER_SOURCE
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char* newStack = new_ne char[_lEntrySize * ( _ncSize + _lGrowth) ];
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#else
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char* newStack = NEW (char[_lEntrySize * ( _ncSize + _lGrowth) ]);
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#endif
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if (newStack == NULL)
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{
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return NULL;
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}
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::memset(newStack, 0, _lEntrySize * (_ncSize + _lGrowth));
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if (_ncUsed > 0)
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{
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::memcpy(newStack, _pStack, _lEntrySize * _ncUsed);
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}
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_ncSize += _lGrowth;
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delete _pStack;
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_pStack = newStack;
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return &_pStack[_lEntrySize * _ncUsed++];
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}
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