33 lines
768 B
C
33 lines
768 B
C
#include "time_header.h"
|
|
|
|
/**
|
|
* @brief
|
|
* Section 4.12.3.2 of X3.159-1989 requires that
|
|
* The ctime function converts the calendar time pointed to by timer
|
|
* to local time in the form of a string. It is equivalent to
|
|
* asctime(localtime(timer))
|
|
*
|
|
*/
|
|
char* ctime(const time_t *const timep)
|
|
{
|
|
struct tm *tmp = localtime(timep);
|
|
return tmp ? asctime(tmp) : NULL;
|
|
}
|
|
|
|
char* ctime_r(const time_t *const timep, char *buf)
|
|
{
|
|
struct tm mytm;
|
|
struct tm *tmp = localtime_r(timep, &mytm);
|
|
return tmp ? asctime_r(tmp, buf) : NULL;
|
|
}
|
|
|
|
char* ctime_rz(const timezone_t tz, const time_t *const timep, char *buf)
|
|
{
|
|
struct tm mytm, *rtm;
|
|
|
|
rtm = localtime_rz(tz, timep, &mytm);
|
|
if (rtm == NULL)
|
|
return NULL;
|
|
return asctime_r(rtm, buf);
|
|
}
|