rmail header needs adjusting offset

[David Relson]

On Wed, 17 Dec 2003 13:24:48 +0100
Stefan Bellon <sbellon at sbellon.de> wrote:

> Hi!
> 
> A few months ago we added rmail support. It is however just the very
> basic support. An rmail header normally looks like this
> 
>  #! rmail xxxxxxx
> 
> where xxxxxxx denotes the offset in bytes to the next email starting
> with an rmail header itself.
> 
> Due to the fact that Bogofilter changes the length of the messages in
> passthrough mode, those offsets currently are wrong. Some software
> therefore cuts off the emails at the end by the length of the added
> X-Bogosity line and the modified Subject: line (if configured).
> 
> I therefore need to add the length of that line to the rmail line
> before writing it back in passthrough mode.
> 
> What's the correct place in Bogofilter to do that? write_header() in
> passthrough.c?

Stefan,

That sounds right.  I'd probably do it with code like:

static bool firstline = true;
if (firstline) {
   firstline = false;
   if (!memcmp(text, "#! rmail", ...))
      fputs(text);
   else {
      uint len = ...
      fprintf(...,"#! rmail ...", len);
  }
}

David