src/pcap.c

   1 /*
   2  * netsniff-ng - the packet sniffing beast
   3  * By Daniel Borkmann <daniel@netsniff-ng.org>
   4  * Copyright 2011 Daniel Borkmann.
   5  * Subject to the GPL, version 2.
   6  */
   7
   8 #include <errno.h>
   9 #include "pcap.h"
  10
  11 const struct pcap_file_ops *pcap_ops[PCAP_OPS_SIZ] = {0};
  12
  13 int pcap_ops_group_register(const struct pcap_file_ops *ops,
  14                             enum pcap_ops_groups group)
  15 {
  16         if (!ops)
  17                 return -EINVAL;
  18         if (pcap_ops[group])
  19                 return -EBUSY;
  20         pcap_ops[group] = ops;
  21         return 0;
  22 }
  23
  24 void pcap_ops_group_unregister(enum pcap_ops_groups group)
  25 {
  26         pcap_ops[group] = NULL;
  27 }