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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 * The Original Code is the Netscape Portable Runtime (NSPR).
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998-2000
 * the Initial Developer. All Rights Reserved.
 * Contributor(s):
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 * ***** END LICENSE BLOCK ***** */

#include "primpl.h"
#include "MacMemAllocator.h"

void _MD_InitGC() {}

void *_MD_GrowGCHeap(size_t *sizep)
      void              *heapPtr = NULL;
      size_t                  heapSize = *sizep;
      // In previous versions of this code we tried to allocate GC heaps from the application
      // heap.  In the 4.0 application, we try to keep our app heap allications to a minimum
      // and instead go through our own memory allocation routines.
      heapPtr = malloc(heapSize);
      if (heapPtr == NULL) {        
            FreeMemoryStats         stats;
            memtotal(heapSize, &stats);         // How much can we allcoate?
            if (stats.maxBlockSize < heapSize)
                  heapSize = stats.maxBlockSize;
            heapPtr = malloc(heapSize);
            if (heapPtr == NULL)                // Now we're hurting
                  heapSize = 0;
      *sizep = heapSize;
      return heapPtr;

void _MD_FreeGCSegment(void *base, int32 /* len */)

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