    /*====================================================================*
     *
     *   Copyright (c) 2013 Qualcomm Atheros, Inc.
     *
     *   All rights reserved.
     *
     *   Redistribution and use in source and binary forms, with or
     *   without modification, are permitted (subject to the limitations
     *   in the disclaimer below) provided that the following conditions
     *   are met:
     *
     *   * Redistributions of source code must retain the above copyright
     *     notice, this list of conditions and the following disclaimer.
     *
     *   * Redistributions in binary form must reproduce the above
     *     copyright notice, this list of conditions and the following
     *     disclaimer in the documentation and/or other materials
     *     provided with the distribution.
     *
     *   * Neither the name of Qualcomm Atheros nor the names of
     *     its contributors may be used to endorse or promote products
     *     derived from this software without specific prior written
     *     permission.
     *
     *   NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
     *   GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE
     *   COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
     *   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     *   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     *   PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
     *   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     *   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     *   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     *   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     *   OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
     *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*
     *
     *   struct if_nameindex * pcap_nameindex (void)
     *
     *   ether.h
     *
     *   a WinPcap version of POSIX if_nameindex function; return error
     *   in non-pcap environments;
     *
     *   see The Open Group Base Specifications Issue 6 IEEE Std 1003.1,
     *   2004 Edition for a description of this function;
     *
     *
     *--------------------------------------------------------------------*/

    #ifndef PCAP_NAMEINDEX_SOURCE
    #define PCAP_NAMEINDEX_SOURCE

    #include <pcap.h>
    #include <string.h>
    #include <stdlib.h>

    #include "../ether/ether.h"

    struct if_nameindex * pcap_nameindex (void)

    {

    #if defined (WINPCAP) || defined (LIBPCAP)

    	char buffer [PCAP_ERRBUF_SIZE];
    	pcap_if_t * devices = (pcap_if_t *)(0);
    	pcap_if_t * device;
    	if (pcap_findalldevs (&devices, buffer) != -1)
    	{
    		struct if_nameindex * ifs;
    		struct if_nameindex * ifp;
    		unsigned count = 1;
    		for (device = devices; device; device = device->next)
    		{
    			count++;
    		}
    		ifp = ifs = (struct if_nameindex *)(malloc (count * sizeof (struct if_nameindex)));
    		if (ifs) for (device = devices; device; device = device->next)
    		{
    			ifp->if_index = device->index;
    			ifp->if_name = strdup (device->name);
    			ifp++;
    		}
    		memset (ifp, 0, sizeof (* ifp));
    		pcap_freealldevs (devices);
    		return (ifs);
    	}

    #endif

    	return ((struct if_nameindex *)(0));
    }

    #endif

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