90 lines
2.4 KiB
C
90 lines
2.4 KiB
C
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include <string.h>
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#include <stdlib.h>
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#define GC_DEBUG
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#include "gc.h"
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// GC implementation of malloc/free, for testing purposes
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//--------------------------------------------------------------------
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void *malloc(size_t blockSize)
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//--------------------------------------------------------------------
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{
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#ifdef GC_DEBUG
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return GC_MALLOC(blockSize);
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#else
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if (blockSize <= 10000)
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return GC_MALLOC(blockSize);
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else
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return GC_malloc_ignore_off_page(blockSize);
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#endif
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}
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//--------------------------------------------------------------------
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void free(void *deadBlock)
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//--------------------------------------------------------------------
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{
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if (deadBlock != NULL)
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GC_FREE(deadBlock);
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}
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//--------------------------------------------------------------------
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void* realloc(void* block, size_t newSize)
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//--------------------------------------------------------------------
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{
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#ifdef GC_DEBUG
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return GC_REALLOC(block, newSize);
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#else
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size_t oldSize = GC_size(block);
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void * newBlock = block;
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if (newSize <= 10000)
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return(GC_REALLOC(block, newSize));
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if (newSize <= oldSize)
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return(block);
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newBlock = GC_malloc_ignore_off_page(newSize);
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if (newBlock == NULL)
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return NULL;
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memcpy(newBlock, block, oldSize);
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GC_FREE(block);
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return(newBlock);
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#endif
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}
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//--------------------------------------------------------------------
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void *calloc(size_t nele, size_t elesize)
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//--------------------------------------------------------------------
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{
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// GC_MALLOC returns cleared blocks for us.
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size_t space = nele * elesize;
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return GC_MALLOC(space);
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}
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