62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
/****************************************************************************
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* libs/libc/time/lib_ctime.c
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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*
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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 <time.h>
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: ctime
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*
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* Description:
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* ctime and ctime_r convert the time provided in seconds since the
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* epoch to a string representation. ctime is not re-entrant; ctime_r is
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* re-entrant.
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*
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* Input Parameters:
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* timep - The current time represented as seconds since the epoch.
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*
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* Returned Value:
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* On success, a pointer to the string is returned; on failure, NULL is
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* returned.
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*
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****************************************************************************/
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FAR char *ctime(FAR const time_t *timep)
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{
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/* Section 4.12.3.2 of X3.159-1989 requires that
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* The ctime function converts the calendar time pointed to by timer
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* to local time in the form of a string. It is equivalent to
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* asctime(localtime(timer))
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*/
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return asctime(localtime(timep));
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}
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