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Improve the note on how to deal with items with subtrees when the text 

for the item should reflect what's in the subtree.

svn path=/trunk/; revision=4832
This commit is contained in:
Guy Harris 2002-02-28 23:23:12 +00:00
parent 02a0666ce9
commit 84b6b76cf3
1 changed files with 7 additions and 6 deletions
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13
doc/README.developer
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@ -1,4 +1,4 @@
$Id: README.developer,v 1.46 2002/01/21 07:52:35 guy Exp $
$Id: README.developer,v 1.47 2002/02/28 23:23:12 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
@ -101,7 +101,7 @@ code inside
is needed only if you are using the "snprintf()" function.
The "$Id: README.developer,v 1.46 2002/01/21 07:52:35 guy Exp $"
The "$Id: README.developer,v 1.47 2002/02/28 23:23:12 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.
@ -111,7 +111,7 @@ version of the file is currently checked out.
* Routines for PROTONAME dissection
* Copyright 2000, YOUR_NAME <YOUR_EMAIL_ADDRESS>
*
* $Id: README.developer,v 1.46 2002/01/21 07:52:35 guy Exp $
* $Id: README.developer,v 1.47 2002/02/28 23:23:12 guy Exp $
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
@ -1165,6 +1165,7 @@ of the items in the subtree have been dissected. To do this, use
arguments corresponding to '%' format items in that string, and replaces
the text for the item created by 'proto_tree_add_text()' with the result
of applying the arguments to the format string.
'proto_item_append_text()' is similar, but it appends to the text for
the item the result of applying the arguments to the format string.
@ -1182,9 +1183,9 @@ available without dissecting any of the data in the subtree.
Note that an exception might thrown when trying to extract the values of
the items used to set the label, if not all the bytes of the item are
available. Thus, one should set the text of the item as soon as all the
values used to set it have been extracted, rather than setting it only
after the entire subtree has been dissected.
available. Thus, one should create the item with text that is as
meaningful as possible, and set it or append additional information to
it as the values needed to supply that information is extracted.
1.7 Utility routines