Wireshark-dev: Re: [Wireshark-dev] [Wireshark-commits] rev 39305: /trunk/epan/dissectors/ /trun
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From: Martin Mathieson <martin.r.mathieson@xxxxxxxxxxxxxx>
Date: Tue, 11 Oct 2011 19:07:27 +0100


On Tue, Oct 11, 2011 at 6:30 PM, Stephen Fisher <steve@xxxxxxxxxxxxxxxxxx> wrote:
On Mon, Oct 10, 2011 at 11:13:41AM +0100, Martin Mathieson wrote:

> packet-sdp.c:1302 'data_tvb' might get clobbered by 'longjmp' or
> 'vfork'
>
> Making 'data_tvb' volatile doesn't work as I then get warnings about
> discarding the volatile qualifier by passing data_tvb to the various
> sub-dissectors.  I've never been sure of the best way to resolve this,
> other than changing my compiler, which isn't an easy option right now.

Using volatile has always worked for me, but only if I put it in the
right place, such as "gchar *volatile string;" instead of "volatile
gchar *string;"


Thanks Steve, was probably thinking of volatile as magic rather than as just another qualifier. Fixed now,
Martin
 
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