/* $XConsortium: alloc.c /main/5 1995/07/15 21:01:19 drk $ */

/*

 * Motif

 *

 * Copyright (c) 1987-2012, The Open Group. All rights reserved.

 *

 * These libraries and programs are free software; you can

 * redistribute them and/or modify them under the terms of the GNU

 * Lesser General Public License as published by the Free Software

 * Foundation; either version 2 of the License, or (at your option)

 * any later version.

 *

 * These libraries and programs are distributed in the hope that

 * they will be useful, but WITHOUT ANY WARRANTY; without even the

 * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR

 * PURPOSE. See the GNU Lesser General Public License for more

 * details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with these librararies and programs; if not, write

 * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth

 * Floor, Boston, MA 02110-1301 USA

 */

/*

 * HISTORY

 */

/*

 *This file contains a front end to malloc.  The function tcMalloc behaves

 *like malloc, but keeps a record.  Calling tcFreeAll will free all memory

 *allocated by tcMalloc

 */

#include <X11/Intrinsic.h>

#include <Xm/Xm.h>

#define MALLOC_CHUNK 50

static void **entriesMalloced;

static int numEntriesMalloced=0;

static int numEntriesAvail=0;

void *

tcMalloc(size_t size)

{

    if (numEntriesMalloced == numEntriesAvail)

    {

	if (numEntriesAvail == 0)

	{

	    numEntriesAvail = MALLOC_CHUNK;

	    entriesMalloced = (void **) XtMalloc(MALLOC_CHUNK * sizeof(void *));

	}

	else

	{

	    numEntriesAvail += MALLOC_CHUNK;

	    entriesMalloced = (void **) XtRealloc((char *) entriesMalloced,

						  numEntriesAvail * sizeof(void *));

	}

    }

    entriesMalloced[numEntriesMalloced] = (void *)XtMalloc(size);

    return (entriesMalloced[numEntriesMalloced++]);

} 

void

tcFreeAll()

{

    while (numEntriesMalloced > 0)

	XtFree(entriesMalloced[--numEntriesMalloced]);

}