How can I display bit fields in the same byte in wireshark? Is it right to add item with same offset and register header with bitmasking? If yes, which ft type should I use in example below? FT_UINT8??
For example, in first byte:
7 6 5 4 3 2 1 0
Value A: most 2 significant bits (bit 8, 7)
Value B: next 3 bits
Value C: the rest
-Steven
On 3/6/07,
Stephen Fisher <stephentfisher@xxxxxxxxx> wrote:
On Tue, Mar 06, 2007 at 11:46:33PM -0800, Steven Le wrote:
> Thanks. How can I register hf_foo_data?
Take a look at the sample dissector code in doc/README.developer between
the "Cut here" lines and section
1.6.
> I want to print out binary data.
Use FT_BYTES in the registration above.
> On the other hand, the length of data is altered each time the message
> is sent . tvb_get_length will get the length of current offset to end
> of payload, wont it?
I think he meant tvb_length() instead of tvb_get_length().
The function tvb_length(tvb) returns the size of the entire tvb.
tvb_length_remaining(tvb, offset) will return the length remaining
starting at the offset.
Steve
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