On Wed, May 09, 2007 at 02:53:25PM -0400, Kevin A. Noll wrote:
> I'm trying to decode a packet that has TLVs at the end of it. One of
> the possible TLVs is a "NULL" TLV, which is simply one or more bytes
> with the zero value. However, if it's any other kind of TLV, it is
> likely to start with a zero and then be followed by another value that
> indicates the actual type.
>
> How do I check for that second byte without reading past the end of
> the packet buffer?
Check out the functions with length_remaining in their name in
epan/tvbuff.h. The idea is to check to make sure there is another byte
before you try to access it.
Steve
