Subj : "Packet Type 2 Compatible Formats" (Ex FSP-1040)
To   : Maurice Kinal
From : Rob Swindell
Date : Sat Feb 13 2021 11:59 am

 Re: "Packet Type 2 Compatible Formats" (Ex FSP-1040)
 By: Maurice Kinal to Oli on Sat Feb 13 2021 02:06 pm

> -={ 2021-02-13 14:06:58.413218119+00:00 }=-
>
> Hey Oli!
>
>  O> I think I found one omission: The value from "month" in the Type
>  O> 2(+) packet header is "0-11 for Jan-Dec" (in contrast to 1-31 for
>  O> "day" of month). This isn't mentioned in Stephen's draft.
>
> I believe that is a consequence of time.h and has nothing to do with
> fidonet. It is all in the localtime() structure that 0-11 for months was
> used rather than the 01-12 used for months in strftime() which is also part
> of time.h. According to c89 standards output for strftime does include
> enough % specifiers to output proper iso-8601 or even a rfc-3339 formatted
> datetime stamp.  For sure "2021-02-13 14:06:58 +0000" is doable and is
> backwards compatible to c89. We could have been using a four digit year
> since day one.

The month field being discussed here is from the packet header, which is binary (not a string of text). The date field you're referring to is in a "packed message" header. The *year* field of the packet header is already 16-bits, so can already accomodate years up to 65535.

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