Re: Time Function

From: Andrew Valencia <vandys_at_nospam.org>
Date: Tue Jun 07 1994 - 08:15:10 PDT

[Tan Pong Heng <tponghen@Trantor.DSO.gov.SG> writes:]

>... So my question is: does any body know what is the magic value of
>the no of sec from 1970 to 1990?

Dave Hudson added this to <time.h> for the next release:

/*
 * The difference between VSTa time and UNIX time is 20 years. VSTa starts
 * ticking from 1990 not 1970. This constant handles the conversion. Note
 * that as well as 5 leap years there were 15 leap seconds as well :-) If
 * you're interested in the leap seconds, RFC1305 (NTP) provides more detail
 */
#define VSTA_UNIX_TDIFF (((20*365)+5)*24*60*60)+15)

I have RCS mostly working now. It has all sorts of porting knobs and
buttons to push, though, and I'm still cleaning up the edge cases.

                                                Regards,
                                                Andy
Received on Tue Jun 7 07:22:16 1994

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