Ethereal-dev: Re: [Ethereal-dev] how to access a global variable defined inwiretap(new format)

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From: "Raman Singla" <ramans@xxxxxxxxxxxxxxxxxxx>
Date: Thu, 25 May 2006 04:35:24 +0530
Peudo_header means we are passign information for every packet whereas say for example we just want to pass whether packet are in big/little format or some specific information which is applicable to whole trace (all the packets). passing infomation in Pseudo_header is not gud option in such type of cases.
----- Original Message -----
Sent: 2006 May 25 4:08 AM
Subject: Re: [Ethereal-dev] how to access a global variable defined inwiretap(new format) from epan/dissector

The best way in my opinion will be to pass such infromation through the pseudo_header defined for your format.

Will this be an entire trace file specific property or one that varies for each packet in the file?

Thanks,
Ravi.

On 5/24/06, Raman Singla <ramans@xxxxxxxxxxxxxxxxxxx> wrote:
hi
I have written a new capture format(dec-trace) which reads from saved file & corresponding dissector.
 
Since dec-trace can be in either of big/little format. so i want to pass this global variable from wiretap (where it will read endian type)  to epan/dissector (where value of this variable will be read by dissector & based on that decoding will take place).
 
It was workign on linux platform very well,
but as i building the same on Windows platform using msvc it is showing linking problem. unresolved reference.
 
/******************** I m not sure but this could be the reason ***********/
When i tried to go in deep it could be b'cos of dissector.lib. since linker tries to resolves it within dissector.lib.
/**************************************************************************************/
 
what could be the way access global variable defined in wiretap ?
 
regards,
Raman
Ext - 1667

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