fe94d4354a
Implemented the following: - `asctime_r()` - `asctime()` - `localtime()` - `localtime_r()` - `ctime()` - `ctime_r()` Specifically: - the implementation of `localtime()` & `localtime_r()` simply wraps around the gmtime() & gmtime_r() functions, the results are always expressed as UTC. - `ctime()` is equivalent to `asctime(localtime(clock))`, it inherits the limitation of `localtime()` as well, which only supports UTC results currently. Added tests for these newly implemented functions. Signed-off-by: Yong Cong Sin <ycsin@meta.com> Signed-off-by: Yong Cong Sin <yongcong.sin@gmail.com>
72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
/*
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* Copyright (c) 2017 Intel Corporation
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* Copyright (c) 2019 Peter Bigot Consulting, LLC
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_LIB_LIBC_MINIMAL_INCLUDE_TIME_H_
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#define ZEPHYR_LIB_LIBC_MINIMAL_INCLUDE_TIME_H_
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#include <stdint.h>
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#include <zephyr/toolchain.h>
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#include <sys/_types.h>
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#include <sys/_timespec.h>
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/* Minimal time.h to fulfill the requirements of certain libraries
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* like mbedTLS and to support time APIs.
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct tm {
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int tm_sec;
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int tm_min;
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int tm_hour;
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int tm_mday;
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int tm_mon;
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int tm_year;
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int tm_wday;
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int tm_yday;
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int tm_isdst;
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};
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#if !defined(__time_t_defined)
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#define __time_t_defined
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typedef _TIME_T_ time_t;
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#endif
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#if !defined(__suseconds_t_defined)
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#define __suseconds_t_defined
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typedef _SUSECONDS_T_ suseconds_t;
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#endif
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/*
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* Conversion between civil time and UNIX time. The companion
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* mktime() is not provided here since it
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* require access to time zone information.
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*
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* The localtime() & localtime_r() simply
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* wraps around the gmtime() & gmtime_r() functions, the
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* results are always expressed as UTC.
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*/
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struct tm *gmtime(const time_t *timep);
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struct tm *gmtime_r(const time_t *ZRESTRICT timep,
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struct tm *ZRESTRICT result);
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char *asctime(const struct tm *timeptr);
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struct tm *localtime(const time_t *timer);
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char *ctime(const time_t *clock);
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char *asctime_r(const struct tm *ZRESTRICT tp, char *ZRESTRICT buf);
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char *ctime_r(const time_t *clock, char *buf);
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struct tm *localtime_r(const time_t *ZRESTRICT timer, struct tm *ZRESTRICT result);
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time_t time(time_t *tloc);
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#ifdef __cplusplus
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}
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#endif
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#endif /* ZEPHYR_LIB_LIBC_MINIMAL_INCLUDE_STDIO_H_ */
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