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LibC: Add imaxdiv and lldiv
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parent
42a8186728
commit
857b0e1dc3
Notes:
sideshowbarker
2024-07-18 21:36:14 +09:00
Author: https://github.com/RealKC Commit: https://github.com/SerenityOS/serenity/commit/857b0e1dc34 Pull-request: https://github.com/SerenityOS/serenity/pull/5688 Issue: https://github.com/SerenityOS/serenity/issues/4282 Reviewed-by: https://github.com/ADKaster Reviewed-by: https://github.com/BenWiederhake Reviewed-by: https://github.com/awesomekling
@ -9,6 +9,7 @@ set(LIBC_SOURCES
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fenv.cpp
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getopt.cpp
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grp.cpp
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inttypes.cpp
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ioctl.cpp
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libcinit.cpp
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libgen.cpp
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44
Userland/Libraries/LibC/inttypes.cpp
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44
Userland/Libraries/LibC/inttypes.cpp
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@ -0,0 +1,44 @@
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/*
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* Copyright (c) 2021, Mițca Dumitru <dumitru0mitca@gmail.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <inttypes.h>
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extern "C" {
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imaxdiv_t imaxdiv(intmax_t numerator, intmax_t denominator)
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{
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imaxdiv_t result;
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result.quot = numerator / denominator;
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result.rem = numerator % denominator;
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if (numerator >= 0 && result.rem < 0) {
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result.quot++;
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result.rem -= denominator;
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}
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return result;
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}
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}
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@ -27,6 +27,9 @@
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#pragma once
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#include <bits/stdint.h>
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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#define PRId8 "d"
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#define PRId16 "d"
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@ -68,3 +71,11 @@
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#define SCNu64 __PRI64_PREFIX "u"
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#define SCNd64 __PRI64_PREFIX "d"
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typedef struct imaxdiv_t {
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intmax_t quot;
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intmax_t rem;
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} imaxdiv_t;
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imaxdiv_t imaxdiv(intmax_t, intmax_t);
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__END_DECLS
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@ -836,6 +836,19 @@ ldiv_t ldiv(long numerator, long denominator)
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return result;
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}
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lldiv_t lldiv(long long numerator, long long denominator)
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{
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lldiv_t result;
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result.quot = numerator / denominator;
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result.rem = numerator % denominator;
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if (numerator >= 0 && result.rem < 0) {
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result.quot++;
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result.rem -= denominator;
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}
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return result;
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}
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size_t mbstowcs(wchar_t*, const char*, size_t)
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{
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dbgln("FIXME: Implement mbstowcs()");
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@ -102,6 +102,11 @@ typedef struct {
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long rem;
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} ldiv_t;
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ldiv_t ldiv(long, long);
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typedef struct {
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long long quot;
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long long rem;
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} lldiv_t;
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lldiv_t lldiv(long long, long long);
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int posix_openpt(int flags);
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int grantpt(int fd);
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