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vxWorks/libc/time/ctime.c
2025-08-20 18:25:46 +08:00

89 lines
1.9 KiB
C

/* ctime.c - ctime file for time */
/* Copyright 1992-1993 Wind River Systems, Inc. */
/*
modification history
--------------------
01c,05feb93,jdi documentation cleanup for 5.1.
01b,20sep92,smb documentation additions
01a,25jul92,smb written.
*/
/*
DESCRIPTION
INCLUDE FILE: time.h
SEE ALSO: American National Standard X3.159-1989
NOMANUAL
*/
#include "vxWorks.h"
#include "time.h"
#include "private/timeP.h"
/*******************************************************************************
*
* ctime - convert time in seconds into a string (ANSI)
*
* This routine converts the calendar time pointed to by <timer> into local
* time in the form of a string. It is equivalent to:
* .CS
* asctime (localtime (timer));
* .CE
*
* INCLUDE FILES: time.h
*
* RETURNS:
* The pointer returned by asctime() with local broken-down time as the
* argument.
*
* SEE ALSO: asctime(), localtime()
*/
char * ctime
(
const time_t *timer /* calendar time in seconds */
)
{
size_t len = sizeof (ASCBUF);
static char asctimeBuf [sizeof (ASCBUF)];
return (ctime_r (timer, asctimeBuf, &len));
}
/*******************************************************************************
*
* ctime_r - convert time in seconds into a string (POSIX)
*
* This routine converts the calendar time pointed to by <timer> into local
* time in the form of a string. It is equivalent to:
* .CS
* asctime (localtime (timer));
* .CE
*
* This routine is the POSIX re-entrant version of ctime().
*
* INCLUDE FILES: time.h
*
* RETURNS:
* The pointer returned by asctime() with local broken-down time as the
* argument.
*
* SEE ALSO: asctime(), localtime()
*/
char * ctime_r
(
const time_t * timer, /* calendar time in seconds */
char * asctimeBuf, /* buffer to contain the string */
size_t * buflen /* size of the buffer */
)
{
asctime_r (localtime (timer), asctimeBuf, buflen);
return (asctimeBuf);
}