| /*- | |
| * SPDX-License-Identifier: BSD-3-Clause | |
| * | |
| * Copyright (c) 1992, 1993 | |
| * 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. | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions | |
| * are met: | |
| * 1. Redistributions of source code must retain the above copyright | |
| * notice, this list of conditions and the following disclaimer. | |
| * 2. Redistributions in binary form must reproduce the above copyright | |
| * notice, this list of conditions and the following disclaimer in the | |
| * documentation and/or other materials provided with the distribution. | |
| * 3. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| * SUCH DAMAGE. | |
| */ | |
| #if defined(LIBC_SCCS) && !defined(lint) | |
| static char sccsid[] = "@(#)moddi3.c 8.1 (Berkeley) 6/4/93"; | |
| #endif /* LIBC_SCCS and not lint */ | |
| #include <sys/cdefs.h> | |
| __FBSDID("$FreeBSD$"); | |
| #include "quad.h" | |
| /* | |
| * Return remainder after dividing two signed quads. | |
| * | |
| * XXX | |
| * If -1/2 should produce -1 on this machine, this code is wrong. | |
| */ | |
| quad_t | |
| __moddi3(quad_t a, quad_t b) | |
| { | |
| u_quad_t ua, ub, ur; | |
| int neg; | |
| if (a < 0) | |
| ua = -(u_quad_t)a, neg = 1; | |
| else | |
| ua = a, neg = 0; | |
| if (b < 0) | |
| ub = -(u_quad_t)b; | |
| else | |
| ub = b; | |
| (void)__qdivrem(ua, ub, &ur); | |
| return (neg ? -ur : ur); | |
| } |