https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7275
Pascal Quantin <pascal.quantin@xxxxxxxxx> changed:
What |Removed |Added
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CC| |pascal.quantin@xxxxxxxxx
--- Comment #2 from Pascal Quantin <pascal.quantin@xxxxxxxxx> 2012-05-22 14:32:19 PDT ---
Hi Martin,
+ if (i==0) {
+ td_it = proto_tree_add_item(tree, hf_iso7816_atr_t0,
+ tvb, offset, 1, ENC_BIG_ENDIAN);
+ }
+ else {
+ td_it = proto_tree_add_uint_format(tree, hf_iso7816_atr_td,
+ tvb, offset, 1, td,
+ "Interface character TD(%d): 0x%02x", i, td);
+ }
+ if (td_it)
+ td_tree = proto_item_add_subtree(td_it, ett_iso7816_atr_td);
+
+ proto_tree_add_boolean_format(td_tree, hf_iso7816_atr_next_ta_present,
+ tvb, offset, 1, td&0x10,
+ "TA(%d) present: %s", i+1, td&0x10 ? "True" : "False");
Why test explicitly that td_it is not null so as to define the subtree?
proto_item_add_subtree() is already checking it internally. Moreover afterwards
you are not checking td_tree value before using it.
checkhf.pl script finds 3 unused entries:
Unused entry: epan/dissectors//packet-iso7816.c, hf_iso7816_atr_ta
Unused entry: epan/dissectors//packet-iso7816.c, hf_iso7816_atr_tb
Unused entry: epan/dissectors//packet-iso7816.c, hf_iso7816_atr_tc
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