diff options
Diffstat (limited to 'contrib/libpcap/pcap_setfilter.3pcap')
| -rw-r--r-- | contrib/libpcap/pcap_setfilter.3pcap | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/contrib/libpcap/pcap_setfilter.3pcap b/contrib/libpcap/pcap_setfilter.3pcap index 872969398469..e063ae0ea2fb 100644 --- a/contrib/libpcap/pcap_setfilter.3pcap +++ b/contrib/libpcap/pcap_setfilter.3pcap @@ -17,7 +17,7 @@ .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. .\" -.TH PCAP_SETFILTER 3PCAP "25 July 2018" +.TH PCAP_SETFILTER 3PCAP "5 March 2022" .SH NAME pcap_setfilter \- set the filter .SH SYNOPSIS @@ -31,25 +31,29 @@ int pcap_setfilter(pcap_t *p, struct bpf_program *fp); .ft .fi .SH DESCRIPTION -.B pcap_setfilter() +.BR pcap_setfilter () is used to specify a filter program. .I fp is a pointer to a .I bpf_program struct, usually the result of a call to -.BR \%pcap_compile(3PCAP) . +.BR \%pcap_compile (3PCAP). .SH RETURN VALUE -.B pcap_setfilter() -returns 0 on success and +.BR pcap_setfilter () +returns +.B 0 +on success, +.B PCAP_ERROR_NOT_ACTIVATED +if called on a capture handle that has been created but not activated, or .B PCAP_ERROR -on failure. If +on other errors. If .B PCAP_ERROR is returned, -.B pcap_geterr(3PCAP) +.BR pcap_geterr (3PCAP) or -.B pcap_perror(3PCAP) +.BR pcap_perror (3PCAP) may be called with .I p as an argument to fetch or display the error text. .SH SEE ALSO -pcap(3PCAP) +.BR pcap (3PCAP) |