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/** @file
Implement the getpeername API.
Copyright (c) 2011, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include <SocketInternals.h>
/**
Get the remote address
The getpeername routine retrieves the remote system address from the socket.
The
<a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/getpeername.html#">POSIX</a>
documentation is available online.
@param [in] s Socket file descriptor returned from ::socket.
@param [out] address Network address to receive the remote system address
@param [in] address_len Length of the remote network address structure
@return This routine returns zero (0) if successful or -1 when an error occurs.
In the case of an error, ::errno contains more details.
**/
int
getpeername (
int s,
struct sockaddr * address,
socklen_t * address_len
)
{
int RetVal;
EFI_SOCKET_PROTOCOL * pSocketProtocol;
EFI_STATUS Status;
//
// Assume failure
//
RetVal = -1;
//
// Locate the context for this socket
//
pSocketProtocol = BslFdToSocketProtocol ( s, NULL, &errno );
if ( NULL != pSocketProtocol ) {
//
// Get the remote address
//
Status = pSocketProtocol->pfnGetPeer ( pSocketProtocol,
address,
address_len,
&errno );
if ( !EFI_ERROR ( Status )) {
RetVal = 0;
}
}
//
// Return the operation status
//
return RetVal;
}
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