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sched/clock: remove unused function clock_dow() (dow:day of week)

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1. This file is not included in the makefile.
2. This feature should be replaced with mktime().

Signed-off-by: chao an <anchao.archer@bytedance.com>
This commit is contained in:
chao an
2025-10-09 10:55:32 +08:00
committed by Alan C. Assis
parent ff1dc87ccf
commit 09247c113a
2 changed files with 0 additions and 76 deletions
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1
.github/CODEOWNERS vendored
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@@ -22287,7 +22287,6 @@ sched/addrenv/addrenv.c ville.juven@unikie.com hujun5@xiaomi.com alin.jerpelea@s
sched/clock/clock.c alin.jerpelea@sony.com xiaoxiang@xiaomi.com
sched/clock/clock.h alin.jerpelea@sony.com xiaoxiang@xiaomi.com jussi.kivilinna@haltian.com jpa@git.mail.kapsi.fi
sched/clock/clock_adjtime.c jpa@git.mail.kapsi.fi michallenc@seznam.cz hujun5@xiaomi.com anchao@xiaomi.com ouyangxiangzhen@xiaomi.com
sched/clock/clock_dow.c alin.jerpelea@sony.com gustavo.nihei@espressif.com arjun@zglue.com
sched/clock/clock_gettime.c liguiding1@xiaomi.com guoshichao@xiaomi.com xiaoxiang@xiaomi.com alin.jerpelea@sony.com
sched/clock/clock_initialize.c jussi.kivilinna@haltian.com xiaoxiang@xiaomi.com michallenc@seznam.cz jpa@git.mail.kapsi.fi
sched/clock/clock_perf.c yinshengkai@xiaomi.com ouyangxiangzhen@xiaomi.com liguiding1@xiaomi.com alin.jerpelea@sony.com

75
sched/clock/clock_dow.c
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@@ -1,75 +0,0 @@
/****************************************************************************
* sched/clock/clock_dow.c
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <nuttx/clock.h>
#include "clock/clock.h"
/****************************************************************************
* Private Data
****************************************************************************/
/* 23 * (month + 1) / 9, month = 0..11 */
static const uint8_t g_lookup[12] =
{
2, 5, 7, 10, 12, 15, 17, 20, 23, 25, 28, 30
};
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: clock_dow
*
* Description:
* Calculate the day of week (DOW) from they year month and day. Based on
* an algorithm published in 1990 by Michael Keith and Tom Craver with some
* tweaks to handle months in the range 0-11.
*
* Input Parameters:
* year - year (e.g., 1988)
* month - 0 through 11
* day - 1 through 31
*
* Returned Value:
* The day of the week as days since Sunday: 0 = Sunday, 1 = Monday, etc.
*
* Assumptions:
*
****************************************************************************/
int clock_dow(int year, int month, int day)
{
day += month < 2 ? year-- : year - 2;
return ((int)g_lookup[month] + day + 4 + year / 4 -
year / 100 + year / 400) % 7;
}