Wireshark-bugs: [Wireshark-bugs] [Bug 1875] New: tshark doesn't appear to flush its' output stre

Date: Fri, 28 Sep 2007 13:47:40 +0000 (GMT)
http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=1875

           Summary: tshark doesn't appear to flush its' output stream when
                    writting to a file on Windows XP.
           Product: Wireshark
           Version: 0.99.6
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: Major
          Priority: Medium
         Component: TShark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: g.hassler@xxxxxxxxxxxxx


Build Information:
TShark 0.99.6a (SVN Rev 22276)

Copyright 1998-2007 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled with GLib 2.12.12, with WinPcap (version unknown), with libz 1.2.3,
with libpcre 6.4, with Net-SNMP 5.4, with ADNS, with Lua 5.1, with GnuTLS
1.6.1,
with Gcrypt 1.2.3, with MIT Kerberos.

Running on Windows XP Service Pack 2, build 2600, with WinPcap version 4.0.1
(packet.dll version 4.0.0.901), based on libpcap version 0.9.5.

Built using Microsoft Visual C++ 6.0 build 8804
--
When running a capture with tshark on Windows XP SP2, if the capture is not
sufficiently long enough (approx. 30 seconds), no packets are recorded in the
output file. The exact syntax of the command being executed is the following:

./tshark.exe -i 2 -w cap.eth -l

Even when the capture is long enough for some information to be capture, not
all of the contents is recorded. It appears that the output stream to the file
is not being flush immediately with each packet.

This same command is reported working by other members of our team on Linux
(Fedora 6) operating system.


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