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
25 static const char copyright[] _U_ =
26 "@(#) Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 2000\n\
27 The 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 */
39 static void PCAP_NORETURN error(PCAP_FORMAT_STRING(const char *), ...) PCAP_PRINTFLIKE(1,2);
40
41 int
main(void)42 main(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 */
72 static void
error(const char * fmt,...)73 error(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