diff options
| author | Guy Harris <guy@alum.mit.edu> | 2001-11-27 05:05:02 +0000 |
|---|---|---|
| committer | Guy Harris <guy@alum.mit.edu> | 2001-11-27 05:05:02 +0000 |
| commit | 3ab9a4931f6d833c668ead671e40e26c8660f5ef (patch) | |
| tree | 2333b61b1b2f5695b1d1049e28cace8cd22c514a /doc | |
| parent | 0fb9bbe02e46d8322c23da4e00a8ecdbd784ac3a (diff) | |
Clarify what the tvbuff handed to a dissector contains (i.e., it's not
the raw frame data, it's the data that the dissector should look at).
svn path=/trunk/; revision=4278
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/README.developer | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/doc/README.developer b/doc/README.developer index ab61f26aac..4c162843b7 100644 --- a/doc/README.developer +++ b/doc/README.developer @@ -1,4 +1,4 @@ -$Id: README.developer,v 1.39 2001/11/13 23:55:35 gram Exp $ +$Id: README.developer,v 1.40 2001/11/27 05:05:02 guy Exp $ This file is a HOWTO for Ethereal developers. It describes how to start coding a Ethereal protocol dissector and the use some of the important functions and @@ -85,7 +85,7 @@ code inside is needed only if you are using the "snprintf()" function. -The "$Id: README.developer,v 1.39 2001/11/13 23:55:35 gram Exp $" +The "$Id: README.developer,v 1.40 2001/11/27 05:05:02 guy Exp $" in the comment will be updated by CVS when the file is checked in; it will allow the RCS "ident" command to report which version of the file is currently checked out. @@ -95,7 +95,7 @@ version of the file is currently checked out. * Routines for PROTONAME dissection * Copyright 2000, YOUR_NAME <YOUR_EMAIL_ADDRESS> * - * $Id: README.developer,v 1.39 2001/11/13 23:55:35 gram Exp $ + * $Id: README.developer,v 1.40 2001/11/27 05:05:02 guy Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs <gerald@ethereal.com> @@ -323,9 +323,11 @@ dissect_PROTOABBREV(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree); NOTE: See the README.tvbuff for more details The "tvb" argument to a dissector points to a buffer containing the raw -data for the frame. A tvbuffer is a opaque data structure, the internal -data structures are hidden and the data must be access via the tvbuffer -accessors. +data to be analyzed by the dissector; for example, for a protocol +running atop UDP, it contains the UDP payload (but not the UDP header, +or any protocol headers above it). A tvbuffer is a opaque data +structure, the internal data structures are hidden and the data must be +access via the tvbuffer accessors. The accessors are: |