Leaked source code of windows server 2003
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

91 lines
1.7 KiB

/*
Copyright (c) 1992 Microsoft Corporation
Module Name:
volume.c
Abstract:
This module contains the routines which manipulates time values and
conversions.
Author:
Jameel Hyder (microsoft!jameelh)
Revision History:
25 Apr 1992 Initial Version
Notes: Tab stop: 4
--*/
#define FILENUM FILE_TIME
#include <afp.h>
/*** AfpGetCurrentTimeInMacFormat
*
* This gets the current system time in macintosh format which is number of
* seconds since ZERO hours on Jan 1, 2000. Time before this date is
* negative time. (the time returned is the system local time)
*/
VOID
AfpGetCurrentTimeInMacFormat(
OUT AFPTIME * pMacTime
)
{
TIME SystemTime;
KeQuerySystemTime(&SystemTime);
*pMacTime = AfpConvertTimeToMacFormat(&SystemTime);
}
/*** AfpConvertTimeToMacFormat
*
* Convert time in the host format i.e. # of 100ns since 1601 A.D. to
* the macintosh time i.e. # of seconds since 2000 A.D. The system time
* is in UTC. We need to first convert it to local time.
*/
AFPTIME
AfpConvertTimeToMacFormat(
IN PTIME pSystemTime
)
{
AFPTIME MacTime;
TIME LocalTime;
// Convert this to number of seconds since 1980
RtlTimeToSecondsSince1980(pSystemTime, (PULONG)&MacTime);
MacTime -= SECONDS_FROM_1980_2000;
return MacTime;
}
/*** AfpConvertTimeFromMacFormat
*
* Convert time in the macintosh time i.e. # of seconds since 2000 A.D. to
* the host format i.e. # of 100ns since 1601 A.D. Convert from local time
* to system time i.e UTC.
*/
VOID
AfpConvertTimeFromMacFormat(
IN AFPTIME MacTime,
OUT PTIME pSystemTime
)
{
TIME LocalTime;
MacTime += SECONDS_FROM_1980_2000;
RtlSecondsSince1980ToTime(MacTime, pSystemTime);
}