57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
/*
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* Copyright (c) 1990 Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Chris Torek.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that: (1) source distributions retain this entire copyright
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* notice and comment, and (2) distributions including binaries display
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* the following acknowledgement: ``This product includes software
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* developed by the University of California, Berkeley and its contributors''
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* in the documentation or other materials provided with the distribution
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* and in all advertising materials mentioning features or use of this
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* software. Neither the name of the University nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static char sccsid[] = "@(#)ldiv.c 5.1 (Berkeley) 5/16/90";
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#endif /* LIBC_SCCS and not lint */
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#define _KERNEL
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#include "ixemul.h"
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#include <stdlib.h> /* ldiv_t */
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/*
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* I AM NOT SURE THIS IS COMPLETELY PORTABLE
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* (or that it is even right)
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*/
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ldiv_t /* const */
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ldiv(long num, long denom)
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{
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ldiv_t r;
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/* see div.c for comments */
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if (num > 0 && denom < 0) {
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num = -num;
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denom = -denom;
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}
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r.quot = num / denom;
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r.rem = num % denom;
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if (num < 0 && denom > 0) {
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if (r.rem > 0) {
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r.quot++;
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r.rem -= denom;
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}
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}
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return (r);
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}
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