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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
////////////////////////////////////////////////////////////////////////////////
// Implementation of nsIMalloc using NSPR
////////////////////////////////////////////////////////////////////////////////
#include "nsMalloc.h"
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIMallocIID, NS_IMALLOC_IID);
nsMalloc::nsMalloc(nsISupports* outer)
{
NS_INIT_AGGREGATED(outer);
}
nsMalloc::~nsMalloc(void)
{
}
NS_IMPL_AGGREGATED(nsMalloc);
NS_METHOD
nsMalloc::AggregatedQueryInterface(const nsIID& aIID, void** aInstancePtr)
{
if (NULL == aInstancePtr) {
return NS_ERROR_NULL_POINTER;
}
if (aIID.Equals(kIMallocIID) ||
aIID.Equals(kISupportsIID)) {
*aInstancePtr = (void*) this;
AddRef();
return NS_OK;
}
return NS_NOINTERFACE;
}
NS_METHOD
nsMalloc::Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr)
{
if (outer && !aIID.Equals(kISupportsIID))
return NS_NOINTERFACE; // XXX right error?
nsMalloc* mm = new nsMalloc(outer);
if (mm == NULL)
return NS_ERROR_OUT_OF_MEMORY;
mm->AddRef();
if (aIID.Equals(kISupportsIID))
*aInstancePtr = mm->GetInner();
else
*aInstancePtr = mm;
return NS_OK;
}
////////////////////////////////////////////////////////////////////////////////
NS_METHOD_(void*)
nsMalloc::Alloc(PRUint32 size)
{
return PR_Malloc(size);
}
NS_METHOD_(void*)
nsMalloc::Realloc(void* ptr, PRUint32 size)
{
return PR_Realloc(ptr, size);
}
NS_METHOD_(void)
nsMalloc::Free(void* ptr)
{
PR_Free(ptr);
}
NS_METHOD_(PRInt32)
nsMalloc::GetSize(void* ptr)
{
return -1;
}
NS_METHOD_(PRBool)
nsMalloc::DidAlloc(void* ptr)
{
return PR_TRUE;
}
// For the definition of CallCacheFlushers()
#ifdef XP_MAC
# ifndef NSPR20
# include "prmacos.h"
# else
# include "MacMemAllocator.h"
# endif
#endif
NS_METHOD_(void)
nsMalloc::HeapMinimize(void)
{
#ifdef XP_MAC
// something wonderful
CallCacheFlushers(0x7fffffff);
#endif
}
////////////////////////////////////////////////////////////////////////////////
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