121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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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////////////////////////////////////////////////////////////////////////////////
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// Implementation of nsIMalloc using NSPR
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////////////////////////////////////////////////////////////////////////////////
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#include "nsMalloc.h"
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static NS_DEFINE_IID(kIMallocIID, NS_IMALLOC_IID);
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nsMalloc::nsMalloc(nsISupports* outer)
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{
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NS_INIT_AGGREGATED(outer);
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}
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nsMalloc::~nsMalloc(void)
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{
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}
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NS_IMPL_AGGREGATED(nsMalloc);
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NS_METHOD
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nsMalloc::AggregatedQueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(NS_GET_IID(nsISupports)))
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*aInstancePtr = GetInner();
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else if (aIID.Equals(kIMallocIID))
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*aInstancePtr = NS_STATIC_CAST(nsIMalloc*, this);
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else {
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*aInstancePtr = nsnull;
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return NS_NOINTERFACE;
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}
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NS_ADDREF((nsISupports*)*aInstancePtr);
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return NS_OK;
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}
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NS_METHOD
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nsMalloc::Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr)
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{
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if (!aInstancePtr)
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return NS_ERROR_INVALID_POINTER;
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if (outer && !aIID.Equals(NS_GET_IID(nsISupports)))
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return NS_ERROR_INVALID_ARG;
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nsMalloc* mm = new nsMalloc(outer);
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if (mm == NULL)
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return NS_ERROR_OUT_OF_MEMORY;
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nsresult rv = mm->AggregatedQueryInterface(aIID, aInstancePtr);
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if (NS_FAILED(rv)) {
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delete mm;
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return rv;
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}
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return rv;
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}
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////////////////////////////////////////////////////////////////////////////////
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NS_METHOD_(void*)
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nsMalloc::Alloc(PRUint32 size)
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{
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return PR_Malloc(size);
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}
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NS_METHOD_(void*)
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nsMalloc::Realloc(void* ptr, PRUint32 size)
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{
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return PR_Realloc(ptr, size);
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}
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NS_METHOD_(void)
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nsMalloc::Free(void* ptr)
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{
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PR_Free(ptr);
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}
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NS_METHOD_(PRInt32)
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nsMalloc::GetSize(void* ptr)
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{
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return -1;
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}
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NS_METHOD_(PRBool)
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nsMalloc::DidAlloc(void* ptr)
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{
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return PR_TRUE;
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}
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NS_METHOD_(void)
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nsMalloc::HeapMinimize(void)
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{
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#ifdef XP_MAC
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// obsolete
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#endif
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}
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////////////////////////////////////////////////////////////////////////////////
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