pcap-null.c revision 356341 
1/*
2 * Copyright (c) 1994, 1995, 1996
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 */
21
22#ifdef HAVE_CONFIG_H
23#include <config.h>
24#endif
25
26#include <string.h>
27
28#include "pcap-int.h"
29
30static char nosup[] = "live packet capture not supported on this system";
31
32pcap_t *
33pcap_create_interface(const char *device _U_, char *ebuf)
34{
35	(void)pcap_strlcpy(ebuf, nosup, PCAP_ERRBUF_SIZE);
36	return (NULL);
37}
38
39int
40pcap_platform_finddevs(pcap_if_list_t *devlistp _U_, char *errbuf _U_)
41{
42	/*
43	 * There are no interfaces on which we can capture.
44	 */
45	return (0);
46}
47
48#ifdef _WIN32
49int
50pcap_lookupnet(const char *device _U_, bpf_u_int32 *netp _U_,
51    bpf_u_int32 *maskp _U_, char *errbuf)
52{
53	(void)pcap_strlcpy(errbuf, nosup, PCAP_ERRBUF_SIZE);
54	return (-1);
55}
56#endif
57
58/*
59 * Libpcap version string.
60 */
61const char *
62pcap_lib_version(void)
63{
64	return (PCAP_VERSION_STRING);
65}
66