csu3_am335x/EVSE/GPL/open-plc-utils-0.3/ether/closechannel.c

/*====================================================================*
 *
 *   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
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 *   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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 *--------------------------------------------------------------------*/

/*====================================================================*
 *
 *   signed closechannel (struct channel const * channel);
 *
 *   channel.h
 *
 *   close ethernet raw packet channel;
 *
 *
 *   Contributor(s):
 *	Charles Maier
 *	Nathaniel Houghton
 *
 *--------------------------------------------------------------------*/

#ifndef CLOSECHANNEL_SOURCE
#define CLOSECHANNEL_SOURCE

#include <unistd.h>
#include <stdlib.h>

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

signed closechannel (struct channel const * channel)

{

#if defined (__linux__)

	return (close (channel->fd));

#elif defined (__APPLE__) || (__OpenBSD__) || defined (__NetBSD__) || defined (__FreeBSD__)

	free (channel->bpf->bpf_buffer);
	free (channel->bpf);
	return (close (channel->fd));

#elif defined (WINPCAP) || defined (LIBPCAP)

	pcap_close (channel->socket);
	return (0);

#else
#error "Unknown Environment"
#endif

}


#endif