On Mon, Jul 14, 2008 at 8:07 AM, Stuart D. Gathman <[EMAIL PROTECTED]> wrote:
> On Mon, 14 Jul 2008, Martin Preuss wrote: > > > Though he currently doesn't need to enter dates which are outside the > scope of > > time_t he is curious about the reason of the limitation to time_t instead > of > > using another, wider type. > Exactly. > > Maybe gnucash lives long enough to exceed the date range offered by > time_t and > > then the question might arise again :-) > > Indeed, Dec 18, 2038 is coming fast. > Yes, considering that some folks have mortgage payments spread over 30 years, i.e. through 2038. So to some degree, time_t will be obsolete 6 months from now. There has been talk of 50 year mortgages in the U.S., and these may already be available elsewhere. Why use a time stamp? My companies' accounting system uses a 32-bit day no > - > days since the Jewish/Christian traditional creation in 4012 BC (Julian > day). > Most accounting computations deal with days between dates (subtract) > or day of the week (modulo 7). Functions like "last day of month" are > trivial with dayno->mdy and mdy->dayno conversions. Conversion to/from > month,day,year is small and simple for Gregorian Calendar (code on > request). > Other calendars are just as easy and earn Geek points. > > If there is some module that requires actual timestamps (say pickup and > delivery tracking), it can store a wider type, or tack-on a timeofday > field. > Time of day is important in some areas, such as price quotes (or at least it should be), so if there is any change at all then I would think using a wider type makes more sense than dropping time of day. > > -- > Stuart D. Gathman <[EMAIL PROTECTED]> > Business Management Systems Inc. Phone: 703 591-0911 Fax: 703 591-6154 > "Confutatis maledictis, flamis acribus addictis" - background song for > a Microsoft sponsored "Where do you want to go from here?" commercial. > _______________________________________________ > gnucash-devel mailing list > gnucash-devel@gnucash.org > https://lists.gnucash.org/mailman/listinfo/gnucash-devel > -Charles _______________________________________________ gnucash-devel mailing list gnucash-devel@gnucash.org https://lists.gnucash.org/mailman/listinfo/gnucash-devel
