On Mon, Jun 23, 2014 at 12:21 AM, <mmann78@xxxxxxxxxxxx> wrote:
> In an effort to further remove proto_tree_add_text calls from the Wireshark
> source, I've created proto_tree_add_subtree and
> proto_tree_add_subtree_format. The use case is to combine
> proto_tree_add_text + proto_item_add_subtree into a single call when the
> intent of the dissector is to create a "subtree with a label". It could
> also replace some proto_tree_add_none_format + proto_item_add_subtree calls
> (some of the filters don't seem that useful IMO and it appears that
> dissector just wanted to avoid proto_tree_add_text). proto_tree_add_subtree
> takes just a string (const char*), while proto_tree_add_subtree_format
> supports printf style arguments (like proto_tree_add_text already does).
> The intention is to have proto_tree_add_subtree be more optimized since it
> doesn't need the printf style arguments (as a few API calls have done that
> direction), but it's not currently implemented that way (patches welcome!)
>
> I am currently in the process of converting applicable proto_tree_add_text +
> proto_item_add_subtree into proto_tree_add_subtree[_format] calls. It
> should take me a while, so any help would be appreciated (ideas on scripts
> would also be helpful, as I haven't found an idea I like). Just drop me a
> note so we're not duplicating work. I'm going alphabetically by dissector
> filename (in epan/dissectors directory), and I've already done the ASN.1
> generated dissectors (because 1 change counts twice). I will not be
> touching any of the proto_tree_add_none_format calls, as I probably won't
> have enough knowledge of the dissector using it to be confident in removing
> the filter.
>
> I would also appreciate code reviews "encouraging" the use of this new API.
> We don't need to specifically revisit current patches (dissectors) submitted
> to Gerrit (most will probably be committed before I get to them in master
> anyway), but new ones should be subject to it.
>
> Michael
>
Hi Michael,
May be also add in epan/proto.h for proto_tree_add_subtree and
proto_tree_add_subtree_format
a G_GNUC_WARN_UNUSED_RESULT ?
Also it is no possible to add proto_tree_add_subtree_item ? with a hf
item for top ? (with ftype FT_NONE for example)
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