2012-11-10 17:06:01 +01:00
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/****************************************************************************
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2018-05-29 21:21:26 +02:00
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* libs/libc/time/lib_isleapyear.c
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2012-11-10 17:06:01 +01:00
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*
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2021-03-02 15:54:21 +01:00
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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2012-11-10 17:06:01 +01:00
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*
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2021-03-02 15:54:21 +01:00
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* http://www.apache.org/licenses/LICENSE-2.0
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2012-11-10 17:06:01 +01:00
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*
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2021-03-02 15:54:21 +01:00
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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2012-11-10 17:06:01 +01:00
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/time.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Type Declarations
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****************************************************************************/
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Public Constant Data
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****************************************************************************/
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/****************************************************************************
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2015-10-03 00:30:35 +02:00
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* Public Data
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2012-11-10 17:06:01 +01:00
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****************************************************************************/
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/****************************************************************************
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2016-02-22 01:08:58 +01:00
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* Private Data
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2012-11-10 17:06:01 +01:00
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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2017-04-22 00:33:14 +02:00
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* Name: clock_isleapyear
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2012-11-10 17:06:01 +01:00
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*
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* Description:
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* Return true if the specified year is a leap year
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*
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****************************************************************************/
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int clock_isleapyear(int year)
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{
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2014-02-11 01:08:49 +01:00
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return (year % 400) ? ((year % 100) ? ((year % 4) ? 0 : 1) : 0) : 1;
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2012-11-10 17:06:01 +01:00
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}
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