reactivatetest.c revision 356341 
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#include "varattrs.h"
23
24#ifndef lint
25static const char copyright[] _U_ =
26    "@(#) Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000\n\
27The Regents of the University of California.  All rights reserved.\n";
28#endif
29
30#include <pcap.h>
31#include <stdio.h>
32#include <stdlib.h>
33#include <string.h>
34#include <stdarg.h>
35
36#include "pcap/funcattrs.h"
37
38/* Forwards */
39static void PCAP_NORETURN error(PCAP_FORMAT_STRING(const char *), ...) PCAP_PRINTFLIKE(1,2);
40
41int
42main(void)
43{
44	char ebuf[PCAP_ERRBUF_SIZE];
45	pcap_t *pd;
46	int status = 0;
47
48	pd = pcap_open_live("lo0", 65535, 0, 1000, ebuf);
49	if (pd == NULL) {
50		pd = pcap_open_live("lo", 65535, 0, 1000, ebuf);
51		if (pd == NULL) {
52			error("Neither lo0 nor lo could be opened: %s",
53			    ebuf);
54			return 2;
55		}
56	}
57	status = pcap_activate(pd);
58	if (status != PCAP_ERROR_ACTIVATED) {
59		if (status == 0)
60			error("pcap_activate() of opened pcap_t succeeded");
61		else if (status == PCAP_ERROR)
62			error("pcap_activate() of opened pcap_t failed with %s, not PCAP_ERROR_ACTIVATED",
63			    pcap_geterr(pd));
64		else
65			error("pcap_activate() of opened pcap_t failed with %s, not PCAP_ERROR_ACTIVATED",
66			    pcap_statustostr(status));
67	}
68	return 0;
69}
70
71/* VARARGS */
72static void
73error(const char *fmt, ...)
74{
75	va_list ap;
76
77	(void)fprintf(stderr, "reactivatetest: ");
78	va_start(ap, fmt);
79	(void)vfprintf(stderr, fmt, ap);
80	va_end(ap);
81	if (*fmt) {
82		fmt += strlen(fmt);
83		if (fmt[-1] != '\n')
84			(void)fputc('\n', stderr);
85	}
86	exit(1);
87	/* NOTREACHED */
88}
89