/* * Copyright (c) 1994, 1995, 1996 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that: (1) source code distributions * retain the above copyright notice and this paragraph in its entirety, (2) * distributions including binary code include the above copyright notice and * this paragraph in its entirety in the documentation or other materials * provided with the distribution, and (3) all advertising materials mentioning * features or use of this software display the following acknowledgement: * ``This product includes software developed by the University of California, * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of * the University nor the names of its contributors may be used to endorse * or promote products derived from this software without specific prior * written permission. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #ifndef lint static const char rcsid[] = "@(#) $Header: /tcpdump/master/libpcap/pcap-null.c,v 1.7.1.1 1999/10/07 23:46:40 mcr Exp $ (LBL)"; #endif #include /* optionally get BSD define */ #include #include "gnuc.h" #ifdef HAVE_OS_PROTO_H #include "os-proto.h" #endif #include "pcap-int.h" static char nosup[] = "live packet capture not supported on this system"; int pcap_stats(pcap_t *p, struct pcap_stat *ps) { (void)sprintf(p->errbuf, "pcap_stats: %s", nosup); return (-1); } int pcap_read(pcap_t *p, int cnt, pcap_handler callback, u_char *user) { (void)sprintf(p->errbuf, "pcap_read: %s", nosup); return (-1); } pcap_t * pcap_open_live(char *device, int snaplen, int promisc, int to_ms, char *ebuf) { (void)strcpy(ebuf, nosup); return (NULL); } int pcap_setfilter(pcap_t *p, struct bpf_program *fp) { if (p->sf.rfile == NULL) { (void)sprintf(p->errbuf, "pcap_setfilter: %s", nosup); return (-1); } p->fcode = *fp; return (0); }