1e3f457c9e
Gregory Nutt <gnutt@nuttx.org>
Run all .c and .h files modified in this PR through nxstyle and correct all coding standard problems.
Xiang Xiao <xiaoxiang@xiaomi.com>
Remove TIME_EXTENDED option to more conform C standard
Note: the code/data size increment is small
80 lines
3.2 KiB
C
80 lines
3.2 KiB
C
/****************************************************************************
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* libs/libc/time/lib_ctimer.c
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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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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* Private Data
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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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* Name: ctime_r
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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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* buf - A user provided buffer to receive the 26 character time string.
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*
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* Returned Value:
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* One success, the pointer to the 'buf' 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_r(FAR const time_t *timep, FAR char *buf)
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{
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struct tm tm;
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#ifdef CONFIG_LIBC_LOCALTIME
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return asctime_r(localtime_r(timep, &tm), buf);
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#else
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return asctime_r(gmtime_r(timep, &tm), buf);
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#endif
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}
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