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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
This commit is contained in:
Guy Harris 2001-11-27 05:05:02 +00:00
parent 0fb9bbe02e
commit 3ab9a4931f
1 changed files with 8 additions and 6 deletions
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14
doc/README.developer
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@ -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: