7f412924d3
ctime.c and localtime_r_utc.c may use POSIX-only functions; to ensure those are visible from a POSIX-conforming C library, define _POSIX_C_SOURCE in these source files. Signed-off-by: Keith Packard <keithp@keithp.com>
29 lines
575 B
C
29 lines
575 B
C
/*
|
|
* Copyright (c) 2024 Meta Platforms
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#undef _POSIX_C_SOURCE
|
|
#define _POSIX_C_SOURCE 200809L
|
|
#include <time.h>
|
|
|
|
/**
|
|
* `ctime()` is equivalent to `asctime(localtime(clock))`
|
|
* See: https://pubs.opengroup.org/onlinepubs/009695399/functions/ctime.html
|
|
*/
|
|
|
|
char *ctime(const time_t *clock)
|
|
{
|
|
return asctime(localtime(clock));
|
|
}
|
|
|
|
#if defined(CONFIG_COMMON_LIBC_CTIME_R)
|
|
char *ctime_r(const time_t *clock, char *buf)
|
|
{
|
|
struct tm tmp;
|
|
|
|
return asctime_r(localtime_r(clock, &tmp), buf);
|
|
}
|
|
#endif /* CONFIG_COMMON_LIBC_CTIME_R */
|