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libs/libpcap-1.9.0/pcap-null.c 1.88 KB
fee2cbd6   amoreau   ajout des librairies
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  /*
   * Copyright (c) 1994, 1995, 1996
   *	The Regents of the University of California.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that: (1) source code distributions
   * retain the above copyright notice and this paragraph in its entirety, (2)
   * distributions including binary code include the above copyright notice and
   * this paragraph in its entirety in the documentation or other materials
   * provided with the distribution, and (3) all advertising materials mentioning
   * features or use of this software display the following acknowledgement:
   * ``This product includes software developed by the University of California,
   * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
   * the University nor the names of its contributors may be used to endorse
   * or promote products derived from this software without specific prior
   * written permission.
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
   * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
   */
  
  #ifdef HAVE_CONFIG_H
  #include <config.h>
  #endif
  
  #include <string.h>
  
  #include "pcap-int.h"
  
  static char nosup[] = "live packet capture not supported on this system";
  
  pcap_t *
  pcap_create_interface(const char *device _U_, char *ebuf)
  {
  	(void)strlcpy(ebuf, nosup, PCAP_ERRBUF_SIZE);
  	return (NULL);
  }
  
  int
  pcap_platform_finddevs(pcap_if_list_t *devlistp, char *errbuf)
  {
  	/*
  	 * There are no interfaces on which we can capture.
  	 */
  	return (0);
  }
  
  #ifdef _WIN32
  int
  pcap_lookupnet(const char *device _U_, bpf_u_int32 *netp _U_,
      bpf_u_int32 *maskp _U_, char *errbuf)
  {
  	(void)strlcpy(errbuf, nosup, PCAP_ERRBUF_SIZE);
  	return (-1);
  }
  #endif
  
  /*
   * Libpcap version string.
   */
  const char *
  pcap_lib_version(void)
  {
  	return (PCAP_VERSION_STRING);
  }