Re: How to find start of header in buffer (if not starting at 0th byte)

[Natalie Shapira <nd1234 () gmail com>]

Hi Hardik,
I use it that way:

descriptor_tvb = tvb_new_subset(nmi_tvb, 4, -1, -1);   // descriptor_tvb is
a pointer to the tvb in offset of 4 bytes from the beginning
desc_tvb_remain_length = tvb_length(descriptor_tvb);

Natalie.


On Fri, Jul 26, 2013 at 11:47 AM, Hardik Patel <hardik.party () gmail com>wrote:

> Hello,
>
> In normal case packet header start at 0th byte of buffer, but in case of
> packet reassembled my packet header start after some offset.
>
>
> [image: Inline image 1]
>
>
> In  above case my packet header start at 7th byte of buffer .
>
> so i need to know what is length of individual buffer in my dissector
> program.
>
> so can any buddy guide how to do this??
>
> Regards,
> Hardik Patel
>
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