adtools/clib2

/*
 * $Id: socket_getsockopt.c,v 1.8 2006-11-16 10:41:15 obarthel Exp $
 *
 * :ts=4
 *
 * Portable ISO 'C' (1994) runtime library for the Amiga computer
 * Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted 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.
 *
 *   - Neither the name of Olaf Barthel nor the names of contributors
 *     may be used to endorse or promote products derived from this
 *     software without specific prior written permission.
 *
 * 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.
 */

#ifndef _STDLIB_NULL_POINTER_CHECK_H
#include "stdlib_null_pointer_check.h"
#endif /* _STDLIB_NULL_POINTER_CHECK_H */

/****************************************************************************/

#if defined(SOCKET_SUPPORT)

/****************************************************************************/

#ifndef _SOCKET_HEADERS_H
#include "socket_headers.h"
#endif /* _SOCKET_HEADERS_H */

/****************************************************************************/

int
getsockopt(int sockfd,int level,int optname,void *optval,socklen_t *optlen)
{
    struct fd * fd;
    int result = ERROR;

    ENTER();

    SHOWVALUE(sockfd);
    SHOWVALUE(level);
    SHOWVALUE(optname);
    SHOWPOINTER(optval);
    SHOWPOINTER(optlen);

    assert( optval != NULL && optlen != NULL );
    assert(__SocketBase != NULL);

    #if defined(CHECK_FOR_NULL_POINTERS)
    {
        if(optval == NULL || optlen == NULL)
        {
            SHOWMSG("invalid parameters");

            __set_errno(EFAULT);
            goto out;
        }
    }
    #endif /* CHECK_FOR_NULL_POINTERS */

    assert( sockfd >= 0 && sockfd < __num_fd );
    assert( __fd[sockfd] != NULL );
    assert( FLAG_IS_SET(__fd[sockfd]->fd_Flags,FDF_IN_USE) );
    assert( FLAG_IS_SET(__fd[sockfd]->fd_Flags,FDF_IS_SOCKET) );

    fd = __get_file_descriptor_socket(sockfd);
    if(fd == NULL)
        goto out;

    PROFILE_OFF();
    result = __getsockopt(fd->fd_Socket,level,optname,optval,(LONG *)optlen);
    PROFILE_ON();

 out:

    if(__check_abort_enabled)
        __check_abort();

    RETURN(result);
    return(result);
}

/****************************************************************************/

#endif /* SOCKET_SUPPORT */