libpcap pcap_dumper_t: feature request

[Craig Davison <craig () darkcalgary com>]

Hello all,

I noticed that pcap_dump has no (documented) way of reporting I/O errors
back to the caller.

However, the user parameter (pcap_dumper_t*) can be casted to type FILE*,
and passed to ferror() after every call. This allows, for example, disk
space and large filesize errors to be trapped.

What do you think about adding a pcap_dump_fileno(pcap_dumper_t*)
function that returns a FILE *, so developers don't have to do a nasty
(and possibly non-portable) cast to check for I/O errors? This is an ideal
change, as it doesn't involve change the arguments or return values of any
of the other functions.

Please let me know what you think. Thanks,
-- 
Craig Davison
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