StdLib/BsdSocketLib/setsockopt.c

   1 /** @file
   2   Implement the setsockopt API.
   3
   4   Copyright (c) 2011, Intel Corporation
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include <SocketInternals.h>
  16
  17
  18 /**
  19   Set the socket options
  20
  21   @param [in] s               Socket file descriptor returned from ::socket.
  22   @param [in] level           Option protocol level
  23   @param [in] option_name     Name of the option
  24   @param [in] option_value    Buffer containing the option value
  25   @param [in] option_len      Length of the value in bytes
  26
  27   @retval   Zero (0) upon success
  28   @retval   Minus one (-1) upon failure, errno set with additional error information
  29
  30 **/
  31 int
  32 setsockopt (
  33   IN int s,
  34   IN int level,
  35   IN int option_name,
  36   IN CONST void * option_value,
  37   IN socklen_t option_len
  38   )
  39 {
  40   int OptionStatus;
  41   EFI_SOCKET_PROTOCOL * pSocketProtocol;
  42   EFI_STATUS Status;
  43
  44   //
  45   //  Locate the context for this socket
  46   //
  47   pSocketProtocol = BslFdToSocketProtocol ( s, NULL, &errno );
  48   if ( NULL != pSocketProtocol ) {
  49     //
  50     //  Set the socket option
  51     //
  52     Status = pSocketProtocol->pfnOptionSet ( pSocketProtocol,
  53                                              level,
  54                                              option_name,
  55                                              option_value,
  56                                              option_len,
  57                                              &errno );
  58   }
  59
  60   //
  61   //  Return the operation stauts
  62   //
  63   OptionStatus = ( 0 == errno ) ? 0 : -1;
  64   return OptionStatus;
  65 }