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extcap: fix a bug in cfilter 

When no filter is specified, interface_opts.cfilter is not null but an empty string.

Change-Id: I5755ab7dd840be28334768cf26999048441fcc4e
Reviewed-on: https://code.wireshark.org/review/11907
Reviewed-by: Stig Bjørlykke <stig@bjorlykke.org>
This commit is contained in:
Dario Lombardo 2015-11-17 09:21:45 +01:00 committed by Stig Bjørlykke
parent 527e032b80
commit 622603b277
1 changed files with 1 additions and 1 deletions
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extcap.c
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@ -583,7 +583,7 @@ extcaps_init_initerfaces(capture_options *capture_opts)
add_arg(EXTCAP_ARGUMENT_RUN_CAPTURE);
add_arg(EXTCAP_ARGUMENT_INTERFACE);
add_arg(interface_opts.name);
if (interface_opts.cfilter) {
if (strlen(interface_opts.cfilter) > 0) {
add_arg(EXTCAP_ARGUMENT_CAPTURE_FILTER);
add_arg(interface_opts.cfilter);
}