85 lines
2.3 KiB
C++
85 lines
2.3 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved. */
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#include <MacMemory.h>
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#include <string.h>
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#include <stdlib.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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void *malloc(size_t blockSize);
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void free(void *deadBlock);
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void* realloc(void* block, size_t newSize);
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void *calloc(size_t nele, size_t elesize);
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#ifdef __cplusplus
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}
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#endif
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// NewPtr 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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return (void *)::NewPtr(blockSize);
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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)
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::DisposePtr((Ptr)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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::SetPtrSize((Ptr)block, newSize);
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if (MemError() == noErr)
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return block;
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void* newBlock = ::NewPtr(newSize);
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if (!newBlock) return nil;
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BlockMoveData(block, newBlock, newSize); // might copy off the end of block,
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// but who cares?
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return newBlock;
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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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size_t space = nele * elesize;
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void *newBlock = ::malloc(space);
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if (newBlock)
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memset(newBlock, 0, space);
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return newBlock;
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}
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