Wireshark-dev: Re: [Wireshark-dev] Seg Fault - Creating new wiretap type
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From: Stephen Fisher <steve@xxxxxxxxxxxxxxxxxx>
Date: Thu, 21 Oct 2010 13:16:47 -0600
On Thu, Oct 21, 2010 at 05:03:12AM -0700, Alex Lindberg wrote:

> When trying to read the first line during the initial myfile_open 
> routine, the file_gets or file_read fail with a segmentation fault. If 
> I do my own fopen for the filename, all is good, but when using 
> wth->fh, it fails.  I have copied the format found in other wiretap/*c 
> files and don't see my error.

Have you run it through a debugger?  The file handle may not be a valid 
pointer for some reason.