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 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 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