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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 ***** */

/*******************************************************************
** w16mem.c -- Implement memory segment functions.
**
** 
********************************************************************
*/
#include "primpl.h"


/*
**	Allocate a new memory segment.
**	
**	Return the segment's access rights and size.  
*/
PRStatus _MD_AllocSegment(PRSegment *seg, PRUint32 size, void *vaddr)
{
	PR_ASSERT(seg != 0);
	PR_ASSERT(size != 0);
	PR_ASSERT(vaddr == 0);

	/*	
	** Take the actual memory for the segment out of our Figment heap.
	*/

	seg->vaddr = (char *)malloc(size);

	if (seg->vaddr == NULL) {
		return PR_FAILURE;
	}

	seg->size = size;	

	return PR_SUCCESS;
} /* --- end _MD_AllocSegment() --- */


/*
**	Free previously allocated memory segment.
*/
void _MD_FreeSegment(PRSegment *seg)
{
	PR_ASSERT((seg->flags & _PR_SEG_VM) == 0);

	if (seg->vaddr != NULL)
		free( seg->vaddr );
    return;
} /* --- end _MD_FreeSegment() --- */