xref: /dflybsd-src/lib/libc/stdlib/lldiv.c (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
1*86d7f5d3SJohn Marino /*-
2*86d7f5d3SJohn Marino  * Copyright (c) 2001 Mike Barcroft <mike@FreeBSD.org>
3*86d7f5d3SJohn Marino  * All rights reserved.
4*86d7f5d3SJohn Marino  *
5*86d7f5d3SJohn Marino  * Redistribution and use in source and binary forms, with or without
6*86d7f5d3SJohn Marino  * modification, are permitted provided that the following conditions
7*86d7f5d3SJohn Marino  * are met:
8*86d7f5d3SJohn Marino  * 1. Redistributions of source code must retain the above copyright
9*86d7f5d3SJohn Marino  *    notice, this list of conditions and the following disclaimer.
10*86d7f5d3SJohn Marino  * 2. Redistributions in binary form must reproduce the above copyright
11*86d7f5d3SJohn Marino  *    notice, this list of conditions and the following disclaimer in the
12*86d7f5d3SJohn Marino  *    documentation and/or other materials provided with the distribution.
13*86d7f5d3SJohn Marino  *
14*86d7f5d3SJohn Marino  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15*86d7f5d3SJohn Marino  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16*86d7f5d3SJohn Marino  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17*86d7f5d3SJohn Marino  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18*86d7f5d3SJohn Marino  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19*86d7f5d3SJohn Marino  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20*86d7f5d3SJohn Marino  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21*86d7f5d3SJohn Marino  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22*86d7f5d3SJohn Marino  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23*86d7f5d3SJohn Marino  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24*86d7f5d3SJohn Marino  * SUCH DAMAGE.
25*86d7f5d3SJohn Marino  *
26*86d7f5d3SJohn Marino  * $FreeBSD: src/lib/libc/stdlib/lldiv.c,v 1.1 2001/11/15 02:05:03 mike Exp $
27*86d7f5d3SJohn Marino  * $DragonFly: src/lib/libc/stdlib/lldiv.c,v 1.1 2008/01/25 23:24:31 swildner Exp $
28*86d7f5d3SJohn Marino  */
29*86d7f5d3SJohn Marino 
30*86d7f5d3SJohn Marino #include <stdlib.h>		/* lldiv_t */
31*86d7f5d3SJohn Marino 
32*86d7f5d3SJohn Marino lldiv_t
lldiv(long long numer,long long denom)33*86d7f5d3SJohn Marino lldiv(long long numer, long long denom)
34*86d7f5d3SJohn Marino {
35*86d7f5d3SJohn Marino 	lldiv_t retval;
36*86d7f5d3SJohn Marino 
37*86d7f5d3SJohn Marino 	/* see div.c for comments */
38*86d7f5d3SJohn Marino 
39*86d7f5d3SJohn Marino 	retval.quot = numer / denom;
40*86d7f5d3SJohn Marino 	retval.rem = numer % denom;
41*86d7f5d3SJohn Marino 	if (numer >= 0 && retval.rem < 0) {
42*86d7f5d3SJohn Marino 		retval.quot++;
43*86d7f5d3SJohn Marino 		retval.rem -= denom;
44*86d7f5d3SJohn Marino 	}
45*86d7f5d3SJohn Marino 	return (retval);
46*86d7f5d3SJohn Marino }
47