usr/src/lib/libc/quad/ucmpdi2.c

/*-
 * Copyright (c) 1992 The Regents of the University of California.
 * All rights reserved.
 *
 * This software was developed by the Computer Systems Engineering group
 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
 * contributed to Berkeley.
 *
 * %sccs.include.redist.c%
 */

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)ucmpdi2.c   5.5 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

#include "quad.h"

/*
 * Return 0, 1, or 2 as a <, =, > b respectively.
 * Neither a nor b are considered signed.
 */
int
__ucmpdi2(a, b)
        u_quad_t a, b;
{
        union uu aa, bb;

        aa.uq = a;
        bb.uq = b;
        return (aa.ul[H] < bb.ul[H] ? 0 : aa.ul[H] > bb.ul[H] ? 2 :
            aa.ul[L] < bb.ul[L] ? 0 : aa.ul[L] > bb.ul[L] ? 2 : 1);
}