[Alex Lindberg <alindber@xxxxxxxxx>]

I have uploaded a patch file and example C and H files to bugzilla that demonstrate the SEG Fault.  I sure that I have overlooked something simple.

Bug 5333.

Thanks as always.

Alex Lindberg

--- On Fri, 10/22/10, Stephen Fisher <steve@xxxxxxxxxxxxxxxxxx> wrote:

From: Stephen Fisher <steve@xxxxxxxxxxxxxxxxxx>
Subject: Re: [Wireshark-dev] Seg Fault - Creating new wiretap type
To: "Developer support list for Wireshark" <wireshark-dev@xxxxxxxxxxxxx>
Date: Friday, October 22, 2010, 12:34 PM

On Thu, Oct 21, 2010 at 02:42:34PM -0700, Alex Lindberg wrote:

> That was my thought, however I used a debugger and printf statements
> to watch the file handle passed to the wiretap routines.  The file was
> the same in all cases.  This has me stumped. It seems that my string
> buffer is not allowed during the file_gets routing.  Perhaps making
> the buffer a const for the procedure, but that is not necessary in
> other modules.

It is strange.  file_gets() is typically #define as gzgets() when
compiled with zlib.  The return of gzgets() is the same as fgets()
(which is used when zlib isn't present) - a char *.  I noticed that
you're using an unsigned char (guchar), but a test program I made
outside of Wireshark works fine with that too.  Want to send a patch of
your changes so we can try it also?

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