Yes it's true assuming "ti_channel" isn't otherwise used.
 
 
 
-----Original Message-----
From: Juan Jose Martin Carrascosa <jua...@rti.com>
To: Developer support list for Wireshark <wireshark-dev@wireshark.org>
Sent: Tue, Aug 26, 2014 11:32 am
Subject: Re: [Wireshark-dev] Equivalency between APIs


Thanks for your reply. Regarding the last comment, just to double check since I 
am not very experienced on this... it would be like:



 channel_tree = proto_tree_add_subtree_format(rtps_parameter_tree, tvb, off, 0,
           ett_rtps_locator_filter_channel, NULL, "Channel[%u]", ch);



True?


- Juanjo




On Tue, Aug 26, 2014 at 5:19 PM,  <mman...@netscape.net> wrote:


You are correct.  proto_tree_add_subtree is for no printf-style arguments, 
proto_tree_add_subtree_format is for when you need printf-style arguments for 
your subtree.
 
One thing to check (if you're compiler doesn't do it for you because somebody's 
will) is that you may no longer need the proto_item* passed into 
proto_tree_add_subtree[_format].
 
Many dissectors had
ti = proto_tree_add_text(....)
subtree = proto_item_add_subtree(ti, ett) 
 
and never referenced ti again.  So when that's converted to 
proto_tree_add_subtree, you can just pass NULL in for the proto_item* parameter.
 
 
 
 

-----Original Message-----
From: Juan Jose Martin Carrascosa <jua...@rti.com>
To: Developer support list for Wireshark <wireshark-dev@wireshark.org>
Sent: Tue, Aug 26, 2014 9:43 am
Subject: [Wireshark-dev] Equivalency between APIs


Hi all, 


I need to remove the proto_tree_add_text calls, and I wanted to know if this is 
equivalent:


Before:



        ti_channel = proto_tree_add_text(rtps_parameter_tree, tvb, off, 0, 
"Channel[%u]", ch);
        channel_tree = proto_item_add_subtree(ti_channel, 
ett_rtps_locator_filter_channel);



Now:

        channel_tree = proto_tree_add_subtree_format(rtps_parameter_tree, tvb, 
off, 0,
           ett_rtps_locator_filter_channel, &ti_channel, "Channel[%u]", ch);





Thanks!
Juanjo



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