Date: Tue, 14 Jan 1997 23:13:29 -0700 (MST)
From: Marc Slemko <marcs@znep.com>
To: new-httpd@hyperreal.com
Subject: Re: and now back to snprintf (fwd)
In-Reply-To: <199701150218.VAA27796@shado.jaguNET.com>
Message-ID: <Pine.BSF.3.95.970114230614.23340S-100000@alive.ampr.ab.ca>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: new-httpd-owner@apache.org
Precedence: bulk
Reply-To: new-httpd@hyperreal.com

Cough.

I don't see how this works.  Either you have to allocate an array of
infinite length or you have to parse and modify the format string, no?

A log message to errorlog when things are truncated would be cool, but
could potentially cause problems where snprintf is used with the intent of
truncating things in normal operation.  That isn't done in the current
code (because, well... nothing used snprintf...) but it could be done in
the future. 

On Tue, 14 Jan 1997, Jim Jagielski wrote:

> Marc Slemko wrote:
> > 
> > I was planning on forwarding them... when I got around to it.  <sigh>
> > 
> > I don't think there is too much that wasn't sent to the list, and some of
> > it is from the same OS's, but I will forward it to you... 
> > 
> > I am not yet sure if there is a problem with the 64-bit stuff or if it is
> > a problem with my test code.  It could be something trivial, or it could
> > be a nightmare.  Worst case I guess would be that any 64-bit platforms
> > without their own snprintf need to just use a wrapper around sprintf.
> > Sameer has given me access to a 64-bit machine, so I'm taking a look when
> > I get a chance...
> > 
> 
> I also have a wrapper than I'm more comfy with using... Basically
> it uses an automatic char array and uses sprintf() to there.
> It then copies the real info from that array to the buffer pointed
> to by snprintf(), with all needed limits, etc... I was thinking
> about adding a log to error-log when buffers are overwritten.
> One nice thing about this is that it uses the OS's own sprintf()
> implementation which, we assume, works :)
> 
> -- 
> ====================================================================
>       Jim Jagielski            |       jaguNET Access Services
>      jim@jaguNET.com           |       http://www.jaguNET.com/
>                   "Not the Craw... the CRAW!"
>