4.3BSD-Reno/src/lib/libpc/MAX.c

/*-
 * Copyright (c) 1979 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted
 * provided that: (1) source distributions retain this entire copyright
 * notice and comment, and (2) distributions including binaries display
 * the following acknowledgement:  ``This product includes software
 * developed by the University of California, Berkeley and its contributors''
 * in the documentation or other materials provided with the distribution
 * and in all advertising materials mentioning features or use of this
 * software. Neither the name of the University nor the names of its
 * contributors may be used to endorse or promote products derived
 * from this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

#ifndef lint
static char sccsid[] = "@(#)MAX.c	1.6 (Berkeley) 4/9/90";
#endif /* not lint */

#include "h00vars.h"

long
MAX(width, reduce, min)

	register long	width;		/* requested width */
	long		reduce;		/* amount of extra space required */
	long		min;		/* minimum amount of space needed */
{
	if (width <= 0) {
		ERROR("Non-positive format width: %D\n", width);
	}
	if ((width -= reduce) >= min)
		return width;
	return min;
}