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On Oct 7, 2020, at 1:30 PM, Fernando Gont via tcpdump-workers
<tcpdump-workers@lists.tcpdump.org> wrote:
> WHile using pcap_inject() in Linux, it is failing with "pcap_inject(): send:
> Resource temporarily unavailable". In principle, one would expect that for
> temporary problems (such as this one), one may one to wait a bit and retry.
> So it would make sense to somehow be able to process the error
> code/condition, and act differently depending on the error type.
>
> Is there a way to get an error code (say, int value), as opposed to a text
> describing it?
There isn't, other than looking at errno.
A new API could be added that returns a PCAP_ERROR_ value rather than -1 on
error (so as not to break source or binary compatibility with code using the
existing APIs).
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