1ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes/* $NetBSD: lldiv.c,v 1.4 2012/06/25 22:32:45 abs Exp $ */ 2ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes 31dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 4ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes * Copyright (c) 1990, 1993 5ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes * The Regents of the University of California. All rights reserved. 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * This code is derived from software contributed to Berkeley by 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Chris Torek. 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Redistribution and use in source and binary forms, with or without 111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * modification, are permitted provided that the following conditions 121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * are met: 131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer. 151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * documentation and/or other materials provided with the distribution. 181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 3. Neither the name of the University nor the names of its contributors 191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * may be used to endorse or promote products derived from this software 201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * without specific prior written permission. 211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * SUCH DAMAGE. 331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 35ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes#include <sys/cdefs.h> 36ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes#if defined(LIBC_SCCS) && !defined(lint) 37ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes#if 0 38ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughesstatic char sccsid[] = "from: @(#)ldiv.c 8.1 (Berkeley) 6/4/93"; 39ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes#else 40ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes__RCSID("$NetBSD: lldiv.c,v 1.4 2012/06/25 22:32:45 abs Exp $"); 41ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes#endif 42ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes#endif /* LIBC_SCCS and not lint */ 43ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes 44ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes#include "namespace.h" 451dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <stdlib.h> /* lldiv_t */ 461dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 47ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes#ifdef __weak_alias 48ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes__weak_alias(lldiv, _lldiv) 49ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes#endif 50ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes 51ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hughes/* LONGLONG */ 521dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectlldiv_t 53ab44f52202878cdf2bf22457aeae33ec24089556Elliott Hugheslldiv(long long int num, long long int denom) 541dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 551dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project lldiv_t r; 561dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 571dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project /* see div.c for comments */ 581dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 591dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project r.quot = num / denom; 601dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project r.rem = num % denom; 611dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project if (num >= 0 && r.rem < 0) { 621dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project r.quot++; 631dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project r.rem -= denom; 641dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project } 651dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (r); 661dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 67