7f80b4aeba
and remove include/nuttx/time.h to reduce the nuttx specific header files Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
93 lines
3.0 KiB
C
93 lines
3.0 KiB
C
/****************************************************************************
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* libs/libc/time/lib_asctimer.c
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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 <stdio.h>
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#include <sys/param.h>
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#include <nuttx/clock.h>
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/* Note: These strings duplicate other definitions in other files. These
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* definitions could be combined to save a little FLASH space.
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*/
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static const char * const g_wday_name[7] =
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{
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"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"
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};
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static const char * const g_mon_name[12] =
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{
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"Jan", "Feb", "Mar", "Apr", "May", "Jun",
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"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
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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: asctime_r
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*
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* Description:
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* asctime and asctime_r convert the time provided in a struct tm to a
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* string representation. asctime is not re-entrant; asctime_r is re-
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* entrant.
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*
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* Input Parameters:
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* tp - Pointer to the time to be converted.
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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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* On 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 *asctime_r(FAR const struct tm *tp, FAR char *buf)
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{
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char tmp[128];
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if (tp == NULL ||
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tp->tm_wday >= nitems(g_wday_name) ||
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tp->tm_mon >= nitems(g_mon_name))
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{
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return NULL;
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}
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snprintf(tmp, sizeof(tmp), "%.3s %.3s%3d %.2d:%.2d:%.2d %d\n",
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g_wday_name[tp->tm_wday], g_mon_name[tp->tm_mon],
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tp->tm_mday, tp->tm_hour, tp->tm_min, tp->tm_sec,
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TM_YEAR_BASE + tp->tm_year);
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strlcpy(buf, tmp, 26);
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return buf;
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}
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