xref: /aosp_15_r20/bionic/libc/upstream-openbsd/lib/libc/stdlib/ldiv.c (revision 8d67ca893c1523eb926b9080dbe4e2ffd2a27ba1)
1*8d67ca89SAndroid Build Coastguard Worker /*	$OpenBSD: ldiv.c,v 1.5 2005/08/08 08:05:36 espie Exp $ */
2*8d67ca89SAndroid Build Coastguard Worker /*
3*8d67ca89SAndroid Build Coastguard Worker  * Copyright (c) 1990 Regents of the University of California.
4*8d67ca89SAndroid Build Coastguard Worker  * All rights reserved.
5*8d67ca89SAndroid Build Coastguard Worker  *
6*8d67ca89SAndroid Build Coastguard Worker  * This code is derived from software contributed to Berkeley by
7*8d67ca89SAndroid Build Coastguard Worker  * Chris Torek.
8*8d67ca89SAndroid Build Coastguard Worker  *
9*8d67ca89SAndroid Build Coastguard Worker  * Redistribution and use in source and binary forms, with or without
10*8d67ca89SAndroid Build Coastguard Worker  * modification, are permitted provided that the following conditions
11*8d67ca89SAndroid Build Coastguard Worker  * are met:
12*8d67ca89SAndroid Build Coastguard Worker  * 1. Redistributions of source code must retain the above copyright
13*8d67ca89SAndroid Build Coastguard Worker  *    notice, this list of conditions and the following disclaimer.
14*8d67ca89SAndroid Build Coastguard Worker  * 2. Redistributions in binary form must reproduce the above copyright
15*8d67ca89SAndroid Build Coastguard Worker  *    notice, this list of conditions and the following disclaimer in the
16*8d67ca89SAndroid Build Coastguard Worker  *    documentation and/or other materials provided with the distribution.
17*8d67ca89SAndroid Build Coastguard Worker  * 3. Neither the name of the University nor the names of its contributors
18*8d67ca89SAndroid Build Coastguard Worker  *    may be used to endorse or promote products derived from this software
19*8d67ca89SAndroid Build Coastguard Worker  *    without specific prior written permission.
20*8d67ca89SAndroid Build Coastguard Worker  *
21*8d67ca89SAndroid Build Coastguard Worker  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22*8d67ca89SAndroid Build Coastguard Worker  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23*8d67ca89SAndroid Build Coastguard Worker  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24*8d67ca89SAndroid Build Coastguard Worker  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25*8d67ca89SAndroid Build Coastguard Worker  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26*8d67ca89SAndroid Build Coastguard Worker  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27*8d67ca89SAndroid Build Coastguard Worker  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28*8d67ca89SAndroid Build Coastguard Worker  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29*8d67ca89SAndroid Build Coastguard Worker  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30*8d67ca89SAndroid Build Coastguard Worker  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31*8d67ca89SAndroid Build Coastguard Worker  * SUCH DAMAGE.
32*8d67ca89SAndroid Build Coastguard Worker  */
33*8d67ca89SAndroid Build Coastguard Worker 
34*8d67ca89SAndroid Build Coastguard Worker #include <stdlib.h>		/* ldiv_t */
35*8d67ca89SAndroid Build Coastguard Worker 
36*8d67ca89SAndroid Build Coastguard Worker ldiv_t
ldiv(long num,long denom)37*8d67ca89SAndroid Build Coastguard Worker ldiv(long num, long denom)
38*8d67ca89SAndroid Build Coastguard Worker {
39*8d67ca89SAndroid Build Coastguard Worker 	ldiv_t r;
40*8d67ca89SAndroid Build Coastguard Worker 
41*8d67ca89SAndroid Build Coastguard Worker 	/* see div.c for comments */
42*8d67ca89SAndroid Build Coastguard Worker 
43*8d67ca89SAndroid Build Coastguard Worker 	r.quot = num / denom;
44*8d67ca89SAndroid Build Coastguard Worker 	r.rem = num % denom;
45*8d67ca89SAndroid Build Coastguard Worker 	if (num >= 0 && r.rem < 0) {
46*8d67ca89SAndroid Build Coastguard Worker 		r.quot++;
47*8d67ca89SAndroid Build Coastguard Worker 		r.rem -= denom;
48*8d67ca89SAndroid Build Coastguard Worker 	}
49*8d67ca89SAndroid Build Coastguard Worker 	return (r);
50*8d67ca89SAndroid Build Coastguard Worker }
51