Wireshark-bugs: [Wireshark-bugs] [Bug 3967] Add start and stop filter triggers to dumpcap
Date: Tue, 1 Sep 2009 11:43:24 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3967





--- Comment #3 from Guy Harris <[email protected]>  2009-09-01 11:43:23 PDT ---
pcap_offline_filter() is in the current top-of-Git-tree libpcap from
tcpdump.org.

However, it's just a simple wrapper routine:

/*
 * Given a BPF program, a pcap_pkthdr structure for a packet, and the raw
 * data for the packet, check whether the packet passes the filter.
 * Returns the return value of the filter program, which will be zero if
 * the packet doesn't pass and non-zero if the packet does pass.
 */
int
pcap_offline_filter(struct bpf_program *fp, const struct pcap_pkthdr *h,
    const u_char *pkt)
{
        struct bpf_insn *fcode = fp->bf_insns;

        if (fcode != NULL)
                return (bpf_filter(fcode, pkt, h->len, h->caplen));
        else
                return (0);  
}

so we could just directly use bpf_filter().


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