1 /*
2 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000
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 #ifndef lint
23 static const char copyright[] _U_ =
24 "@(#) Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000\n\
25 The Regents of the University of California. All rights reserved.\n";
26 #endif
27
28 #include <pcap.h>
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <stdarg.h>
33
34 /* Forwards */
35 static void error(const char *, ...);
36
37 int
main(void)38 main(void)
39 {
40 char ebuf[PCAP_ERRBUF_SIZE];
41 pcap_t *pd;
42 int status = 0;
43
44 pd = pcap_open_live("lo0", 65535, 0, 1000, ebuf);
45 if (pd == NULL) {
46 pd = pcap_open_live("lo", 65535, 0, 1000, ebuf);
47 if (pd == NULL) {
48 error("Neither lo0 nor lo could be opened: %s",
49 ebuf);
50 return 2;
51 }
52 }
53 status = pcap_activate(pd);
54 if (status != PCAP_ERROR_ACTIVATED) {
55 if (status == 0)
56 error("pcap_activate() of opened pcap_t succeeded");
57 else if (status == PCAP_ERROR)
58 error("pcap_activate() of opened pcap_t failed with %s, not PCAP_ERROR_ACTIVATED",
59 pcap_geterr(pd));
60 else
61 error("pcap_activate() of opened pcap_t failed with %s, not PCAP_ERROR_ACTIVATED",
62 pcap_statustostr(status));
63 }
64 return 0;
65 }
66
67 /* VARARGS */
68 static void
error(const char * fmt,...)69 error(const char *fmt, ...)
70 {
71 va_list ap;
72
73 (void)fprintf(stderr, "reactivatetest: ");
74 va_start(ap, fmt);
75 (void)vfprintf(stderr, fmt, ap);
76 va_end(ap);
77 if (*fmt) {
78 fmt += strlen(fmt);
79 if (fmt[-1] != '\n')
80 (void)fputc('\n', stderr);
81 }
82 exit(1);
83 /* NOTREACHED */
84 }
85