StdLib/BsdSocketLib/setsockopt.c

   1 /** @file
   2   Implement the setsockopt API.
   3
   4   Copyright (c) 2011 - 2014, Intel Corporation. All rights reserved.<BR>
   5   This program and the accompanying materials are licensed and made available under
   6   the terms and conditions of the BSD License that accompanies this distribution.
   7   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 #include <SocketInternals.h>
  14
  15
  16 /** Set the socket options
  17
  18   The
  19   <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/setsockopt.html">POSIX</a>
  20   documentation is available online.
  21
  22   @param [in] s               Socket file descriptor returned from ::socket.
  23   @param [in] level           Option protocol level
  24   @param [in] option_name     Name of the option
  25   @param [in] option_value    Buffer containing the option value
  26   @param [in] option_len      Length of the value in bytes
  27
  28   @return   This routine returns zero (0) upon success and -1 when an error occurs.
  29             In the case of an error, ::errno contains more details.
  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
  43   //  Locate the context for this socket
  44   pSocketProtocol = BslFdToSocketProtocol ( s, NULL, &errno );
  45   if ( NULL != pSocketProtocol ) {
  46     //  Set the socket option
  47     (void) pSocketProtocol->pfnOptionSet (pSocketProtocol,
  48                                           level,
  49                                           option_name,
  50                                           option_value,
  51                                           option_len,
  52                                           &errno );
  53   }
  54   //  Return the operation stauts
  55   OptionStatus = ( 0 == errno ) ? 0 : -1;
  56   return OptionStatus;
  57 }