Not tested! grab the hfinfo structure and modify the fields at runtime : header_field_info *hfinfo;
hfinfo = proto_registrar_get_nth(hf_index); hfinfo->bitmask = new bitmask hfinfo->bitshift = new bit shift very ugly. it could work. please do not contribute any code to wireshark that does anything like this :-) On Nov 13, 2007 5:01 AM, Neil Piercy <[EMAIL PROTECTED]> wrote: > If the protocol has bitfields they can be defined in the hf structs, but > what is the best way to cope if these fields can be at different bit > offsets within the byte ? E.g. a 4 bit field which can occur as the > lower 4 bits or the upper 4 bits of a byte. > > The more I think about it, the general way would be to add a bit offset > to _every_ existing proto_tree_add_*() to go with the existing byte > offset, but is there a simpler way which > A) maintains the bitmask display in the main packet field view which the > hf bitmasks provide. > B) isnt just a text decode - is based on hf entries. > > Neil > _______________________________________________ > Wireshark-dev mailing list > Wireshark-dev@wireshark.org > http://www.wireshark.org/mailman/listinfo/wireshark-dev > _______________________________________________ Wireshark-dev mailing list Wireshark-dev@wireshark.org http://www.wireshark.org/mailman/listinfo/wireshark-dev
