StdLib/BsdSocketLib/write.c

   1 /** @file
   2   Implement the write 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   Write support routine for sockets
  20
  21   @param [in] pDescriptor   Descriptor address for the file
  22   @param [in] pOffset       File offset
  23   @param [in] LengthInBytes Number of bytes to write
  24   @param [in] pBuffer       Address of the data
  25
  26   @return   The number of bytes written or -1 if an error occurs.
  27             In the case of an error, ::errno contains more details.
  28
  29 **/
  30 ssize_t
  31 EFIAPI
  32 BslSocketWrite (
  33   struct __filedes *pDescriptor,
  34   off_t * pOffset,
  35   size_t LengthInBytes,
  36   const void * pBuffer
  37   )
  38 {
  39   ssize_t BytesWritten;
  40
  41   //
  42   //  Send the data using the socket
  43   //
  44   BytesWritten = send ( pDescriptor->MyFD,
  45                         pBuffer,
  46                         LengthInBytes,
  47                         0 );
  48
  49   //
  50   //  Return the number of bytes written
  51   //
  52   return BytesWritten;
  53 }