[Patrick Lannigan <p.lannigan@xxxxxxxxx>]

Ok, the base issues were the problem and Wireshark now open successfully. It said mac.priority because I didn't check carefully enough when I renamed the protocol.

Patrick

On Tue, Aug 25, 2009 at 9:41 PM, Maynard, Chris <Christopher.Maynard@xxxxxxxxx> wrote:

You are using BASE_NONE for integers.  This isn't allowed.  Ref: doc/README.developer.

BTW, any reason why one of your display filters is called "mac.priority" and not "abc.priority"?

- Chris

________________________________

From: wireshark-dev-bounces@xxxxxxxxxxxxx on behalf of Patrick Lannigan
Sent: Tue 8/25/2009 6:09 PM
To: Developer support list for Wireshark
Subject: Re: [Wireshark-dev] Custom dissector causing wireshark to crash

I fixed the change you mentioned and am still failing at the same proto_register_field_array call.


       static hf_register_info hf[] = {
       { &hf_abc_flags,
           { "Flags", "abc.flags",
           FT_UINT8, BASE_NONE,
           NULL, 0x0, NULL, HFILL }
       },
       { &hf_abc_crc,
           { "CRC", "abc.crc",
           FT_UINT16, BASE_HEX,
           NULL, 0x0, NULL, HFILL }
       },
       { &hf_abc_txPower,
           { "txPower", "abc.txPower",
           FT_UINT8, BASE_DEC,
           NULL, 0x0,
           "Transmit power for message in dBm",
           HFILL }
       },
       { &hf_abc_frameType,
           { "frameType", "abc.frameType",
           FT_UINT16, BASE_NONE,
           NULL, 0x0, NULL, HFILL }
       },
       { &hf_abc_prevHop,
           { "prevHop", "abc.prevHop",
           FT_UINT32, BASE_HEX,
           NULL, 0x0,
           "Address of node that message was received from",
           HFILL }
       },
       { &hf_abc_nextHop,
           { "nextHop", "abc.nextHop",
           FT_UINT32, BASE_HEX,
           NULL, 0x0,
           "Address of node that message is being sent to",
           HFILL }
       },
       { &hf_abc_seqNum,
           { "seqNum", "abc.seqNum",
           FT_UINT8, BASE_DEC,
           NULL, 0x0, NULL, HFILL }
       },
       { &hf_abc_priority,
           { "priority", "mac.priority",
           FT_UINT8, BASE_NONE,
           NULL, 0x0, NULL, HFILL }
       },
       { &hf_abc_frameContentLen,
           { "frameContentLen", "abc.frameContentLen",
           FT_UINT16, BASE_DEC,
           NULL, 0x0,
           "Length of buffer sent OTA including mac headers",
           HFILL }
       },
       { &hf_abc_duration,
           { "duration", "abc.duration",
           FT_UINT16, BASE_DEC,
           NULL, 0x0,
           "Duration in microsec used for CSMA NAV calculation",
           HFILL }
       },
       { &hf_abc_token,
           { "token", "abc.token",
           FT_UINT32, BASE_NONE,
           NULL, 0x0, NULL, HFILL }
       },
       { &hf_abc_linkProfile,
           { "linkProfile", "abc.linkProfile",
           FT_UINT32, BASE_NONE,
           NULL, 0x0,
           "Linkprofile used to xmit this packet, tmp until we know how the PHY is going to provide this info",
           HFILL }
       },
       { &hf_abc_expirationTime,
           {"expirationTime", "abc.expirationTime",
           FT_UINT16, BASE_DEC,
           NULL, 0x0,
           "Time in ms this frame may take to be delivered to its next hop",
           HFILL }
       },
       { &hf_abc_padding,
           {"padding", "abc.padding",
           FT_UINT16, BASE_NONE,
           NULL, 0x0, NULL, HFILL }
       }
   };

Patrick


On Tue, Aug 25, 2009 at 5:28 PM, Bill Meier <wmeier@xxxxxxxxxxx> wrote:


       > It then fails on:
       >
       > proto_register_field_array (proto_abc, hf, array_length (hf));
       >
       > Here is the hf array construction, can anyone see what the error is?
       >
       >     static hf_register_info hf[] = {
        >


       >         { &hf_abc_txPower,
       >             { "txPower", "abc.txPower",
       >             FT_UINT8, BASE_DEC,
       >             "Transmit power for message in dBm",
       >             0x0, NULL, HFILL }
       >         },


       should be


                { &hf_abc_txPower,
                    { "txPower", "abc.txPower",

                    FT_UINT8, BASE_DEC, NULL, 0x0,
                    "Transmit power for message in dBm", HFILL }
                },

       Stepping through the code (eg: proto_register-field_array) is the way to
       find bugs like this.



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