Hello pt is an array (uint8_t pt[16];). pt is an array generated after processing a part of the packet. As I've created a new tvb the offset is 0 and the length is 16.
Hope I've answered your questions. Il giorno mer 26 mag 2021 alle ore 14:32 Roland Knall <rkn...@gmail.com> ha scritto: > The data displayed in the subitem is the one from pt, your data variable > which you used to create the new tvb. The hf_item seems to point to a > different data structure. How is pt being generated? Are you using the same > length and start offset as for the hf item? > > regards > Roland > > Am Mi., 26. Mai 2021 um 08:46 Uhr schrieb Antonello Tartamo < > antonellotart...@gmail.com>: > >> Hello everyone, >> I'm trying to add a custom item which is not strictly related to the >> packet but it is coming from a processing of a part of the packet. >> I've used the following instructions: >> >> new_tvb = tvb_new_child_real_data(tvb, pt, (guint)16, 16); >> add_new_data_source(pinfo, new_tvb, "processed"); >> >> ti = proto_tree_add_item(data_tree, >> hf_mp_control_processed, new_tvb, 0, 16, ENC_NA); >> PROTO_ITEM_SET_GENERATED(ti); >> >> hf_mp_control_processed is a set of bytes: >> { & hf_mp_control_processed , >> { "mp control processed", "mp.control.processed", >> FT_BYTES, BASE_NONE, 0x0, 0x0, >> NULL, HFILL } >> } >> >> The problem is that when I click on this new item into the Packet Details >> I see the correct byte values, while in the Packet Bytes view these ones >> are totally wrong. >> >> Attached image: >> [image: image.png] >> For example the first byte is 0x48 but 0x68 is shown in the Packet Bytes >> view. >> >> Is there a different way to perform this operation ? >> >> Thanks in advance >> >> ___________________________________________________________________________ >> Sent via: Wireshark-dev mailing list <wireshark-dev@wireshark.org> >> Archives: https://www.wireshark.org/lists/wireshark-dev >> Unsubscribe: https://www.wireshark.org/mailman/options/wireshark-dev >> mailto:wireshark-dev-requ...@wireshark.org >> ?subject=unsubscribe >> > ___________________________________________________________________________ > Sent via: Wireshark-dev mailing list <wireshark-dev@wireshark.org> > Archives: https://www.wireshark.org/lists/wireshark-dev > Unsubscribe: https://www.wireshark.org/mailman/options/wireshark-dev > mailto:wireshark-dev-requ...@wireshark.org > ?subject=unsubscribe >
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