| 1 | /*- |
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| 2 | * Copyright (c) 2001 Mike Barcroft <mike@FreeBSD.org> |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * 1. Redistributions of source code must retain the above copyright |
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| 9 | * notice, this list of conditions and the following disclaimer. |
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer in the |
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| 12 | * documentation and/or other materials provided with the distribution. |
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| 13 | * |
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| 14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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| 15 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 17 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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| 18 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 19 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 20 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 21 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 22 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 23 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 24 | * SUCH DAMAGE. |
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| 25 | */ |
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| 26 | |
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| 27 | #include <sys/cdefs.h> |
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| 28 | __FBSDID("$FreeBSD: head/lib/libc/stdlib/imaxdiv.c 301115 2016-06-01 10:14:25Z ache $"); |
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| 29 | |
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| 30 | #include <inttypes.h> |
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| 31 | #include <stdint.h> |
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| 32 | |
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| 33 | /* See comments in div.c for implementation details. */ |
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| 34 | imaxdiv_t |
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| 35 | imaxdiv(intmax_t numer, intmax_t denom) |
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| 36 | { |
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| 37 | imaxdiv_t retval; |
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| 38 | |
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| 39 | retval.quot = numer / denom; |
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| 40 | retval.rem = numer % denom; |
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| 41 | #if !defined(__STDC_VERSION__) || (__STDC_VERSION__ < 199901L) |
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| 42 | if (numer >= 0 && retval.rem < 0) { |
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| 43 | retval.quot++; |
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| 44 | retval.rem -= denom; |
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| 45 | } |
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| 46 | #endif |
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| 47 | return (retval); |
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| 48 | } |
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