Re: I want to parse RFC822 header "Date:" field for an application

[Sam Roberts]

If you are doing a mail filter, you might be interested in
more than the data parsing from mailutils.

If you really just want parse822.c, just rip the code out of mailutils,
it's only a few fairly self-contained files, and since it's LGPLed, you
can include it into your GPL application.

Cheers,
Sam

Wrote Andrew Lynch <address@hidden>, on Tue, Oct 15, 2002 at 05:02:04AM -0700:
> Hello,
> 
> Would someone please advise me on if and how I should 
> use mailutils?
> 
> I am working with the author of a cross platform free
> (GPL) mail filter program debugging and adding some
> features.  It is written in C and uses Cygwin for the
> Win32 port.
> 
> http://sourceforge.net/projects/savemymodem
> 
> I am trying to parse the "Date:" field string of
> RFC822 messages so that I can sort the messages by
> date.  I would like to convert the date string into
> some means that can be sorted such as an integer or a
> formatted string like "YYYY-MM-DD HH:MM:SS".  The
> present RFC822 date field does not sort properly by
> date due to its present format.
> 
> Ideally, I could just install "libmailbox" on my
> Cygwin installation and just #include a header and
> access parse822_date_time().  That would be great but
> I really don't think its that simple.
> 
> I have reviewed the CVS and found parse822.c and
> parse822_date_time() that *appears* to be exactly what
> I am looking for.  If this is not the case, *PLEASE*
> let me know!
> 
> The "libmailbox" is not currently part of the Cygwin
> distribution and I will need to install to get this to
> work.  Obviously, I expect is going to be a major
> effort so I'd like to know before I start if my
> approach is feasible or not.  
> 
> My other option is just to write in C a simple string
> parsing function based on the RFC822 format.  That
> seems such a waste though since you have apparently
> already done that!  I really doubt a hand coded
> function would be as general or robust as the ones in
> parse822.c.
> 
> Is there any way to just "make libmailbox" without all
> the other features?  I have downloaded the tarball but
> have not started with automake so I haven't read the
> INSTALL file it generates.
> 
> Would someone be so kind as to constructively comment
> on my approach?  I appreciate your time.  If possible,
> send cc:'s to this account.  I will also be monitoring
> the bug-mailutils mailing list archive for responses.
> 
> Thanks in advance.
> 
> Andrew Lynch
> 
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-- 
Sam Roberts <address@hidden>