Wireshark-bugs: [Wireshark-bugs] [Bug 9229] Add new function in strutil.c to replace non-printab

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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Thu, 10 Oct 2013 16:15:59 +0000

Comment # 9 on bug 9229 from 
It is already a FT_BYTES, but for better reading, i used this to display also
an information (without having to expand the Parameter)

         MQPrm[  1] { 9-BYTE_STRING    }     1b5c/ 7004-MQBACF_RESPONSE_ID     
       A(...@....@@@.........N...) E(CSQ DM1S   RDM1S..LT+...)
            ParmTyp..: MQCFT_BYTE_STRING (9)
            ParmLen..: 40
            ParmID...: MQBACF_RESPONSE_ID (7004)
            ParmStrLn: 24
            ByteStr..: c3e2d840c4d4f1e2404040d9c4d4f1e2cbb3d3e34e9def80

I don't know how it is coded because it's a BYTE_STRING, but I know that MQMID
can contain usefull information, so I display as string in both ASCII/EBCDIC
and put DOT for non-printable charaters to improve the reading.

For the second case, it seems to be a bug in the returned MQ packet, because
the header say ASCII/Little Endian, and really it is EBCDIC/Big Endian

18    2013-07-23 14:30:31.280630000    10.50.216.41    10.47.116.214    MQ   
450    MQCONN_REPLY      App=...m......m......[......K...
QM=....@@@@@@@@@@@@@@@@@@@@@@@@

So, for not having an unreadable data with escape like this in the detail
display

    MQCONN
        QMgr....: \304\324\360\342@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
        ApplName:
\311\342\340m\304\205\202\244\207\340m\346\211\225\363\362\340[\324\330\303\224\204\302K\205\247\205
        ApplType: Unknown (184549376)
        AccntTok: 1601051500000085e77e2f2ad0375c43170a324329000000...
        Version.: Unknown (50331648)
        Options.: 0x00000000

I display a more readable string with dot for non-printable char, in the COL
Info, again for better reading.

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