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-rw-r--r--StdLib/BsdSocketLib/getsockopt.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/StdLib/BsdSocketLib/getsockopt.c b/StdLib/BsdSocketLib/getsockopt.c
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+++ b/StdLib/BsdSocketLib/getsockopt.c
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+/** @file
+ Implement the getsockopt 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 socket options
+
+ @param [in] s Socket file descriptor returned from ::socket.
+ @param [in] level Option protocol level
+ @param [in] option_name Name of the option
+ @param [out] option_value Buffer to receive the option value
+ @param [in,out] option_len Length of the buffer in bytes,
+ upon return length of the option value in bytes
+
+ @retval Zero (0) upon success
+ @retval Minus one (-1) upon failure, errno set with additional error information
+
+**/
+int
+getsockopt (
+ IN int s,
+ IN int level,
+ IN int option_name,
+ OUT void * __restrict option_value,
+ IN OUT socklen_t * __restrict option_len
+ )
+{
+ int OptionStatus;
+ EFI_SOCKET_PROTOCOL * pSocketProtocol;
+ EFI_STATUS Status;
+
+ //
+ // Locate the context for this socket
+ //
+ pSocketProtocol = BslFdToSocketProtocol ( s, NULL, &errno );
+ if ( NULL != pSocketProtocol ) {
+ //
+ // Get the socket option
+ //
+ Status = pSocketProtocol->pfnOptionGet ( pSocketProtocol,
+ level,
+ option_name,
+ option_value,
+ option_len,
+ &errno );
+ }
+
+ //
+ // Return the operation stauts
+ //
+ OptionStatus = ( 0 == errno ) ? 0 : -1;
+ return OptionStatus;
+}