1 /* $NetBSD: reactivatetest.c,v 1.2 2014/11/19 19:33:31 christos Exp $ */
2
3 /*
4 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that: (1) source code distributions
9 * retain the above copyright notice and this paragraph in its entirety, (2)
10 * distributions including binary code include the above copyright notice and
11 * this paragraph in its entirety in the documentation or other materials
12 * provided with the distribution, and (3) all advertising materials mentioning
13 * features or use of this software display the following acknowledgement:
14 * ``This product includes software developed by the University of California,
15 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
16 * the University nor the names of its contributors may be used to endorse
17 * or promote products derived from this software without specific prior
18 * written permission.
19 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
20 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
22 */
23
24 #include <sys/cdefs.h>
25 __RCSID("$NetBSD: reactivatetest.c,v 1.2 2014/11/19 19:33:31 christos Exp $");
26
27 #ifndef lint
28 static const char copyright[] =
29 "@(#) Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000\n\
30 The Regents of the University of California. All rights reserved.\n";
31 #endif
32
33 #include <pcap.h>
34 #include <stdio.h>
35 #include <stdlib.h>
36 #include <string.h>
37 #include <stdarg.h>
38
39 /* Forwards */
40 static void error(const char *, ...);
41
42 int
main(void)43 main(void)
44 {
45 char ebuf[PCAP_ERRBUF_SIZE];
46 pcap_t *pd;
47 int status = 0;
48
49 pd = pcap_open_live("lo0", 65535, 0, 1000, ebuf);
50 if (pd == NULL) {
51 pd = pcap_open_live("lo", 65535, 0, 1000, ebuf);
52 if (pd == NULL) {
53 error("Neither lo0 nor lo could be opened: %s",
54 ebuf);
55 return 2;
56 }
57 }
58 status = pcap_activate(pd);
59 if (status != PCAP_ERROR_ACTIVATED) {
60 if (status == 0)
61 error("pcap_activate() of opened pcap_t succeeded");
62 else if (status == PCAP_ERROR)
63 error("pcap_activate() of opened pcap_t failed with %s, not PCAP_ERROR_ACTIVATED",
64 pcap_geterr(pd));
65 else
66 error("pcap_activate() of opened pcap_t failed with %s, not PCAP_ERROR_ACTIVATED",
67 pcap_statustostr(status));
68 }
69 return 0;
70 }
71
72 /* VARARGS */
73 static void
error(const char * fmt,...)74 error(const char *fmt, ...)
75 {
76 va_list ap;
77
78 (void)fprintf(stderr, "reactivatetest: ");
79 va_start(ap, fmt);
80 (void)vfprintf(stderr, fmt, ap);
81 va_end(ap);
82 if (*fmt) {
83 fmt += strlen(fmt);
84 if (fmt[-1] != '\n')
85 (void)fputc('\n', stderr);
86 }
87 exit(1);
88 /* NOTREACHED */
89 }
90