/*
 * $XConsortium: Alloc.c,v 1.1 89/09/14 17:11:04 keith Exp $
 *
 * Copyright 1989 Massachusetts Institute of Technology
 *
 * Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose and without fee is hereby granted, provided
 * that the above copyright notice appear in all copies and that both that
 * copyright notice and this permission notice appear in supporting
 * documentation, and that the name of M.I.T. not be used in advertising
 * or publicity pertaining to distribution of the software without specific,
 * written prior permission.  M.I.T. makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 * Author:  Keith Packard, MIT X Consortium
 */

/* stubs for use when Xalloc, Xrealloc and Xfree are not defined */

extern char	*malloc (), *realloc ();

long *
Xalloc (amount)
    unsigned	amount;
{
    if (amount == 0)
	amount = 1;
    return (long *) malloc (amount);
}

long *
Xrealloc (old, amount)
    long	*old;
    unsigned	amount;
{
    if (amount == 0)
	amount = 1;
    if (!old)
	return (long *) malloc (amount);
    return (long *) realloc ((char *) old, amount);
}

void
Xfree (old)
    long    *old;
{
    if (old)
	free ((char *) old);
}